{"title":"EXHAUST: LB7-LMM","description":"","products":[{"product_id":"dhd-300-120-duramax-high-flow-manifold-up-pipe-bundle-2001-2004-lb7","title":"DHD 300-120 DURAMAX HIGH FLOW MANIFOLD \u0026 UP PIPE BUNDLE 2001-2004 LB7","description":"\u003ch2 data-start=\"609\" data-end=\"641\"\u003eDHD High Flow Manifold Bundle\u003c\/h2\u003e\n\u003cp data-start=\"643\" data-end=\"827\"\u003eThe \u003cstrong data-start=\"647\" data-end=\"680\"\u003eDHD High Flow Manifold Bundle\u003c\/strong\u003e increases exhaust airflow by \u003cstrong data-start=\"710\" data-end=\"722\"\u003eover 55%\u003c\/strong\u003e with no port modifications required. Even more gains can be achieved through port matching and blending.\u003c\/p\u003e\n\u003cp data-start=\"829\" data-end=\"1115\"\u003eDHD manifolds are cast from high silica iron — the proven standard in the high-flow manifold market. This bundle includes DHD’s heavy duty \u003cstrong data-start=\"968\" data-end=\"1011\"\u003e.120\" wall 304 stainless steel up-pipes\u003c\/strong\u003e, featuring \u003cstrong data-start=\"1023\" data-end=\"1042\"\u003esleeved bellows\u003c\/strong\u003e and \u003cstrong data-start=\"1047\" data-end=\"1091\"\u003edouble welded pipe-to-flange connections\u003c\/strong\u003e for maximum durability.\u003c\/p\u003e\n\u003cp data-start=\"1117\" data-end=\"1255\"\u003eThe swept-back tapered inner port design helps accelerate exhaust gases toward the turbine, helping reduce EGTs and improving turbo spool.\u003c\/p\u003e\n\u003chr data-start=\"1257\" data-end=\"1260\"\u003e\n\u003ch3 data-start=\"1262\" data-end=\"1285\"\u003eFeatures \/ Benefits\u003c\/h3\u003e\n\u003cul data-start=\"1286\" data-end=\"1467\"\u003e\n\u003cli data-start=\"1286\" data-end=\"1310\"\u003e\n\u003cp data-start=\"1288\" data-end=\"1310\"\u003eReduced backpressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1311\" data-end=\"1336\"\u003e\n\u003cp data-start=\"1313\" data-end=\"1336\"\u003eImproved fuel economy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1337\" data-end=\"1370\"\u003e\n\u003cp data-start=\"1339\" data-end=\"1370\"\u003eLower EGTs and drive pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1371\" data-end=\"1393\"\u003e\n\u003cp data-start=\"1373\" data-end=\"1393\"\u003eFaster turbo spool\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1394\" data-end=\"1467\"\u003e\n\u003cp data-start=\"1396\" data-end=\"1467\"\u003e\u003cstrong data-start=\"1396\" data-end=\"1414\"\u003e1\/8\" NPT bungs\u003c\/strong\u003e in each manifold for EGT or drive pressure sensors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1469\" data-end=\"1472\"\u003e\n\u003ch3 data-start=\"1474\" data-end=\"1493\"\u003eBundle Includes\u003c\/h3\u003e\n\u003cul data-start=\"1494\" data-end=\"1843\"\u003e\n\u003cli data-start=\"1494\" data-end=\"1527\"\u003e\n\u003cp data-start=\"1496\" data-end=\"1527\"\u003eRight and left cast manifolds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1528\" data-end=\"1580\"\u003e\n\u003cp data-start=\"1530\" data-end=\"1580\"\u003eRight and left \u003cstrong data-start=\"1545\" data-end=\"1578\"\u003e.120\" wall stainless up pipes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1581\" data-end=\"1661\"\u003e\n\u003cp data-start=\"1583\" data-end=\"1661\"\u003e(16) 4340 chromoly \u003cstrong data-start=\"1602\" data-end=\"1629\"\u003eM10 12pt manifold bolts\u003c\/strong\u003e (not cheap socket cap screws)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1662\" data-end=\"1689\"\u003e\n\u003cp data-start=\"1664\" data-end=\"1689\"\u003e(2) 1\/8\" NPT port plugs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1690\" data-end=\"1742\"\u003e\n\u003cp data-start=\"1692\" data-end=\"1742\"\u003eMLS stainless up-pipe gasket set (\u003cstrong data-start=\"1726\" data-end=\"1739\"\u003e4 gaskets\u003c\/strong\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1743\" data-end=\"1796\"\u003e\n\u003cp data-start=\"1745\" data-end=\"1796\"\u003eMLS stainless manifold gasket set (\u003cstrong data-start=\"1780\" data-end=\"1793\"\u003e2 gaskets\u003c\/strong\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1797\" data-end=\"1843\"\u003e\n\u003cp data-start=\"1799\" data-end=\"1843\"\u003e(12) 12.9 grade \u003cstrong data-start=\"1815\" data-end=\"1841\"\u003eM10 12pt up-pipe bolts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1845\" data-end=\"1848\"\u003e\n\u003ch3 data-start=\"1850\" data-end=\"1900\"\u003eOptional Upgrade: DHD In-House Porting Service\u003c\/h3\u003e\n\u003cp data-start=\"1901\" data-end=\"2167\"\u003eWant to get the most out of your investment? Add the \u003cstrong data-start=\"1954\" data-end=\"1986\"\u003eDHD in-house porting service\u003c\/strong\u003e, which ports the manifolds to \u003cstrong data-start=\"2017\" data-end=\"2041\"\u003ePPE oversize gaskets\u003c\/strong\u003e and gasket-matches the up-pipe connection. This is one of the most cost-effective ways to increase flow and help reduce EGTs.\u003c\/p\u003e\n\u003cp data-start=\"2169\" data-end=\"2296\"\u003eSelect the porting option above to add it to your order.\u003cbr data-start=\"2225\" data-end=\"2228\"\u003e\u003cstrong data-start=\"2228\" data-end=\"2237\"\u003eNote:\u003c\/strong\u003e This option adds \u003cstrong data-start=\"2255\" data-end=\"2276\"\u003e1–3 business days\u003c\/strong\u003e to processing time.\u003c\/p\u003e\n\u003chr data-start=\"2298\" data-end=\"2301\"\u003e\n\u003ch3 data-start=\"2303\" data-end=\"2312\"\u003eNotes\u003c\/h3\u003e\n\u003cul data-start=\"2313\" data-end=\"2648\"\u003e\n\u003cli data-start=\"2313\" data-end=\"2466\"\u003e\n\u003cp data-start=\"2315\" data-end=\"2466\"\u003eThe passenger side up-pipe is \u003cstrong data-start=\"2345\" data-end=\"2357\"\u003eD-shaped\u003c\/strong\u003e to allow use with most aftermarket downpipes. Minor adjustments may be required depending on downpipe brand.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2467\" data-end=\"2648\"\u003e\n\u003cp data-start=\"2469\" data-end=\"2648\"\u003eThere is \u003cstrong data-start=\"2478\" data-end=\"2494\"\u003eno EGR riser\u003c\/strong\u003e on the passenger side up-pipe. This kit is \u003cstrong data-start=\"2538\" data-end=\"2566\"\u003enot a direct replacement\u003c\/strong\u003e for EGR-equipped trucks and should only be installed on \u003cstrong data-start=\"2623\" data-end=\"2647\"\u003epre-emissions trucks\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"169\" data-end=\"198\"\u003e⚠️ Important Legal Notice\u003c\/h3\u003e\n\u003cp data-start=\"199\" data-end=\"403\"\u003e\u003cstrong data-start=\"199\" data-end=\"243\"\u003eNOT LEGAL FOR SALE OR USE IN CALIFORNIA.\u003c\/strong\u003e The manufacture, sale, offer for sale, or installation of this product may also be illegal nationwide under the Federal Clean Air Act (42 U.S.C. § 7522(a)(3)).\u003c\/p\u003e\n\u003cp data-start=\"405\" data-end=\"602\"\u003eThis product is \u003cstrong data-start=\"421\" data-end=\"458\"\u003efor closed-course racing use only\u003c\/strong\u003e, where permitted by law. Any other use may violate local, state, and federal laws. \u003cstrong data-start=\"542\" data-end=\"602\"\u003eDHD or Delaney's Diesel is not responsible for unlawful use of this product.\u003c\/strong\u003e\u003c\/p\u003e","brand":"DHD","offers":[{"title":"Default Title","offer_id":43738732298480,"sku":"300-120 - Z","price":795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/5136\/1520\/products\/M144777942.jpg?v=1672183103"},{"product_id":"dhd-300-125-oem-length-d-pipe-stainless-passenger-lb7-up-pipe-kit-2001-2004","title":"DHD 300-125 OEM LENGTH D-PIPE STAINLESS PASSENGER LB7 UP PIPE KIT 2001-2004","description":"\u003ch2 data-start=\"142\" data-end=\"192\"\u003eDHD Stainless Up Pipe Kit (01–04 LB7 Duramax)\u003c\/h2\u003e\n\u003cp data-start=\"193\" data-end=\"270\"\u003e\u003cstrong data-start=\"193\" data-end=\"224\"\u003eIncludes gaskets + hardware\u003c\/strong\u003e\u003cbr data-start=\"224\" data-end=\"227\"\u003e\u003cstrong data-start=\"227\" data-end=\"270\"\u003eOEM Fit | Best Value | No Core Required\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"272\" data-end=\"289\"\u003eDescription\u003c\/h3\u003e\n\u003cp data-start=\"290\" data-end=\"487\"\u003eThese full-featured OEM-fit up pipes are an excellent value. They’re \u003cstrong data-start=\"359\" data-end=\"372\"\u003ebrand new\u003c\/strong\u003e, built to fit like factory, and deliver \u003cstrong data-start=\"413\" data-end=\"441\"\u003ehigh flow and durability\u003c\/strong\u003e without the high price of an OEM replacement.\u003c\/p\u003e\n\u003cp data-start=\"489\" data-end=\"659\"\u003eDHD takes stock replacement to the next level. This passenger-side up pipe flows \u003cstrong data-start=\"570\" data-end=\"599\"\u003eup to 53% more than stock\u003c\/strong\u003e, while remaining a \u003cstrong data-start=\"619\" data-end=\"658\"\u003edirect bolt-on to factory manifolds\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"661\" data-end=\"1007\"\u003eUnlike the factory up pipe, this kit is built from \u003cstrong data-start=\"712\" data-end=\"744\"\u003e11-gauge 304 stainless steel\u003c\/strong\u003e and includes a \u003cstrong data-start=\"760\" data-end=\"810\"\u003eheavy duty internally-sleeved stainless bellow\u003c\/strong\u003e designed to handle extreme heat and pressure. It’s stronger than most competing options, weighing nearly a pound more and featuring \u003cstrong data-start=\"943\" data-end=\"980\"\u003eTIG welded flanges inside and out\u003c\/strong\u003e for long-term reliability.\u003c\/p\u003e\n\u003chr data-start=\"1009\" data-end=\"1012\"\u003e\n\u003ch3 data-start=\"1014\" data-end=\"1028\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"1029\" data-end=\"1394\"\u003e\n\u003cli data-start=\"1029\" data-end=\"1075\"\u003e\n\u003cp data-start=\"1031\" data-end=\"1075\"\u003e\u003cstrong data-start=\"1031\" data-end=\"1057\"\u003eDirect bolt-on fitment\u003c\/strong\u003e (OEM style fit)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1076\" data-end=\"1114\"\u003e\n\u003cp data-start=\"1078\" data-end=\"1114\"\u003e\u003cstrong data-start=\"1078\" data-end=\"1112\"\u003eUp to 53% more flow than stock\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1115\" data-end=\"1171\"\u003e\n\u003cp data-start=\"1117\" data-end=\"1171\"\u003e\u003cstrong data-start=\"1117\" data-end=\"1149\"\u003e11-gauge 304 stainless steel\u003c\/strong\u003e (.120\" wall, 2\" OD)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1172\" data-end=\"1252\"\u003e\n\u003cp data-start=\"1174\" data-end=\"1252\"\u003e\u003cstrong data-start=\"1174\" data-end=\"1213\"\u003eInternally sleeved stainless bellow\u003c\/strong\u003e for strength under heat and pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1253\" data-end=\"1310\"\u003e\n\u003cp data-start=\"1255\" data-end=\"1310\"\u003eInner + outer \u003cstrong data-start=\"1269\" data-end=\"1297\"\u003eTIG welded steel flanges\u003c\/strong\u003e (not cast)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1311\" data-end=\"1357\"\u003e\n\u003cp data-start=\"1313\" data-end=\"1357\"\u003eReduces exhaust restriction \/ backpressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1358\" data-end=\"1394\"\u003e\n\u003cp data-start=\"1360\" data-end=\"1394\"\u003eHelps lower exhaust temperatures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1396\" data-end=\"1399\"\u003e\n\u003ch3 data-start=\"1401\" data-end=\"1419\"\u003eKit Includes\u003c\/h3\u003e\n\u003cul data-start=\"1420\" data-end=\"1535\"\u003e\n\u003cli data-start=\"1420\" data-end=\"1484\"\u003e\n\u003cp data-start=\"1422\" data-end=\"1484\"\u003eStainless multi-layer up pipe gaskets (\u003cstrong data-start=\"1461\" data-end=\"1481\"\u003e1 upper, 1 lower\u003c\/strong\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1485\" data-end=\"1535\"\u003e\n\u003cp data-start=\"1487\" data-end=\"1535\"\u003e(6) 12-point coated \u003cstrong data-start=\"1507\" data-end=\"1533\"\u003eM10 12.9 up pipe bolts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1537\" data-end=\"1540\"\u003e\n\u003ch3 data-start=\"1542\" data-end=\"1560\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1561\" data-end=\"1618\"\u003e\n\u003cli data-start=\"1561\" data-end=\"1598\"\u003e\n\u003cp data-start=\"1563\" data-end=\"1598\"\u003e\u003cstrong data-start=\"1563\" data-end=\"1596\"\u003e2001–2004 GM Duramax LB7 6.6L\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1599\" data-end=\"1618\"\u003e\n\u003cp data-start=\"1601\" data-end=\"1618\"\u003e2500HD \/ 3500HD\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1620\" data-end=\"1623\"\u003e\n\u003ch3 data-start=\"1625\" data-end=\"1646\"\u003eCross Reference\u003c\/h3\u003e\n\u003cul data-start=\"1647\" data-end=\"1666\"\u003e\n\u003cli data-start=\"1647\" data-end=\"1666\"\u003e\n\u003cp data-start=\"1649\" data-end=\"1666\"\u003ePPE \u003cstrong data-start=\"1653\" data-end=\"1666\"\u003e116120010\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1668\" data-end=\"1671\"\u003e\n\u003ch3 data-start=\"1673\" data-end=\"1683\"\u003eNote\u003c\/h3\u003e\n\u003cp data-start=\"1684\" data-end=\"1809\"\u003e\u003cstrong data-start=\"1684\" data-end=\"1732\"\u003eLEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES\u003c\/strong\u003e that may never be used, registered, or licensed for highway or off-road use.\u003c\/p\u003e","brand":"DHD","offers":[{"title":"Default Title","offer_id":43738739736816,"sku":"","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/5136\/1520\/products\/M144777891.jpg?v=1672183540"},{"product_id":"01-07-duramax-exhaust","title":"01-07 Duramax Exhaust","description":"\u003ch2 data-start=\"0\" data-end=\"52\"\u003eDownpipe Back Exhaust (01-07 Duramax LB7 LLY LBZ)\u003c\/h2\u003e\n\u003cp data-start=\"54\" data-end=\"382\"\u003eIf you own a 2001-2007 Silverado or Sierra 2500HD\/3500HD with a 6.6L Duramax (LB7, LLY, or LBZ), the factory exhaust is restrictive and holds these trucks back. This downpipe back exhaust replaces the OEM piping with a full \u003cstrong data-start=\"278\" data-end=\"316\"\u003emandrel bent T409 stainless system\u003c\/strong\u003e built for improved airflow, lower EGTs, and long term durability.\u003c\/p\u003e\n\u003cp data-start=\"384\" data-end=\"464\"\u003eThis is not a universal kit. This system is built specifically for your Duramax.\u003c\/p\u003e\n\u003chr data-start=\"466\" data-end=\"469\"\u003e\n\u003ch3 data-start=\"471\" data-end=\"483\"\u003eBenefits\u003c\/h3\u003e\n\u003cp data-start=\"484\" data-end=\"690\"\u003eImproved exhaust flow over stock\u003cbr data-start=\"516\" data-end=\"519\"\u003eLower exhaust gas temps (EGTs)\u003cbr data-start=\"549\" data-end=\"552\"\u003eFaster spool and better throttle response\u003cbr data-start=\"593\" data-end=\"596\"\u003eDeeper, smoother tone (with proper tuning)\u003cbr data-start=\"638\" data-end=\"641\"\u003eBuilt to support upgraded turbos and power mods\u003c\/p\u003e\n\u003chr data-start=\"692\" data-end=\"695\"\u003e\n\u003ch3 data-start=\"697\" data-end=\"709\"\u003eFeatures\u003c\/h3\u003e\n\u003cp data-start=\"710\" data-end=\"1002\"\u003eT409 stainless steel construction for corrosion resistance and long life\u003cbr data-start=\"782\" data-end=\"785\"\u003eMandrel bent tubing (no crimps, no restrictions)\u003cbr data-start=\"833\" data-end=\"836\"\u003eLeak free flanges with upgraded clamps for a better seal\u003cbr data-start=\"892\" data-end=\"895\"\u003ePre welded hangers for easier install and a secure fit\u003cbr data-start=\"949\" data-end=\"952\"\u003eNo sensor bungs for a clean straight pipe design\u003c\/p\u003e\n\u003chr data-start=\"1004\" data-end=\"1007\"\u003e\n\u003ch3 data-start=\"1009\" data-end=\"1020\"\u003eFitment\u003c\/h3\u003e\n\u003cp data-start=\"1021\" data-end=\"1102\"\u003eFits:\u003cbr\u003e2001-2007 Silverado \/ Sierra 2500HD \u0026amp; 3500HD\u003cbr data-start=\"1071\" data-end=\"1074\"\u003e6.6L Duramax LB7, LLY, LBZ\u003c\/p\u003e\n\u003cp data-start=\"1104\" data-end=\"1137\"\u003eSupports:\u003cbr\u003eEC\/CC, SB, LB, Dually\u003c\/p\u003e\n\u003cp data-start=\"1139\" data-end=\"1183\"\u003eDoes not fit:\u003cbr\u003eCab and chassis configurations\u003c\/p\u003e\n\u003chr data-start=\"1185\" data-end=\"1188\"\u003e\n\u003ch3 data-start=\"1190\" data-end=\"1209\"\u003eWhat’s Included\u003c\/h3\u003e\n\u003cp data-start=\"1210\" data-end=\"1370\"\u003eComplete downpipe back exhaust system\u003cbr data-start=\"1247\" data-end=\"1250\"\u003eAll clamps, flanges, and welded hangers included\u003cbr data-start=\"1298\" data-end=\"1301\"\u003eSingle side exit configuration\u003cbr data-start=\"1331\" data-end=\"1334\"\u003eNo bungs (clean straight pipe setup)\u003c\/p\u003e\n\u003chr data-start=\"1372\" data-end=\"1375\"\u003e\n\u003ch3 data-start=\"1377\" data-end=\"1397\"\u003eImportant Notice\u003c\/h3\u003e\n\u003cp data-start=\"1398\" data-end=\"1584\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThis exhaust system is intended for \u003cstrong data-start=\"1434\" data-end=\"1470\"\u003eoff road or competition use only\u003c\/strong\u003e and may require aftermarket tuning. Buyer is responsible for ensuring compliance with local laws and regulations.\u003c\/p\u003e","brand":"Delaney's Diesel","offers":[{"title":"Default Title","offer_id":48764814098672,"sku":null,"price":569.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/5136\/1520\/files\/255-01507b.webp?v=1769281085"},{"product_id":"07-10-duramax-exhaust","title":"07-10 Duramax Exhaust","description":"\u003ch2 data-start=\"0\" data-end=\"52\"\u003eDownpipe Back Exhaust (07-10 Duramax)\u003c\/h2\u003e\n\u003cp data-start=\"54\" data-end=\"382\"\u003eIf you own a 2007.5-2010 Silverado or Sierra 2500HD\/3500HD with a 6.6L Duramax (LMM), the factory exhaust is restrictive and holds these trucks back. This downpipe back exhaust replaces the OEM piping with a full \u003cstrong data-start=\"278\" data-end=\"316\"\u003emandrel bent T409 stainless system\u003c\/strong\u003e built for improved airflow, lower EGTs, and long term durability.\u003c\/p\u003e\n\u003cp data-start=\"384\" data-end=\"464\"\u003eThis is not a universal kit. This system is built specifically for your Duramax.\u003c\/p\u003e\n\u003chr data-start=\"466\" data-end=\"469\"\u003e\n\u003ch3 data-start=\"471\" data-end=\"483\"\u003eBenefits\u003c\/h3\u003e\n\u003cp data-start=\"484\" data-end=\"690\"\u003eImproved exhaust flow over stock\u003cbr data-start=\"516\" data-end=\"519\"\u003eLower exhaust gas temps (EGTs)\u003cbr data-start=\"549\" data-end=\"552\"\u003eFaster spool and better throttle response\u003cbr data-start=\"593\" data-end=\"596\"\u003eDeeper, smoother tone (with proper tuning)\u003cbr data-start=\"638\" data-end=\"641\"\u003eBuilt to support upgraded turbos and power mods\u003c\/p\u003e\n\u003chr data-start=\"692\" data-end=\"695\"\u003e\n\u003ch3 data-start=\"697\" data-end=\"709\"\u003eFeatures\u003c\/h3\u003e\n\u003cp data-start=\"710\" data-end=\"1002\"\u003eT409 stainless steel construction for corrosion resistance and long life\u003cbr data-start=\"782\" data-end=\"785\"\u003eMandrel bent tubing (no crimps, no restrictions)\u003cbr data-start=\"833\" data-end=\"836\"\u003eLeak free flanges with upgraded clamps for a better seal\u003cbr data-start=\"892\" data-end=\"895\"\u003ePre welded hangers for easier install and a secure fit\u003cbr data-start=\"949\" data-end=\"952\"\u003eNo sensor bungs for a clean straight pipe design\u003c\/p\u003e\n\u003chr data-start=\"1004\" data-end=\"1007\"\u003e\n\u003ch3 data-start=\"1009\" data-end=\"1020\"\u003eFitment\u003c\/h3\u003e\n\u003cp data-start=\"1021\" data-end=\"1102\"\u003eFits:\u003cbr\u003e2007.5-2010 Silverado \/ Sierra 2500HD \u0026amp; 3500HD\u003cbr data-start=\"1071\" data-end=\"1074\"\u003e6.6L Duramax LMM\u003c\/p\u003e\n\u003cp data-start=\"1104\" data-end=\"1137\"\u003eSupports:\u003cbr\u003eEC\/CC, SB, LB, Dually\u003c\/p\u003e\n\u003cp data-start=\"1139\" data-end=\"1183\"\u003eDoes not fit:\u003cbr\u003eCab and chassis configurations\u003c\/p\u003e\n\u003chr data-start=\"1185\" data-end=\"1188\"\u003e\n\u003ch3 data-start=\"1190\" data-end=\"1209\"\u003eWhat’s Included\u003c\/h3\u003e\n\u003cp data-start=\"1210\" data-end=\"1370\"\u003eComplete downpipe back exhaust system\u003cbr data-start=\"1247\" data-end=\"1250\"\u003eAll clamps, flanges, and welded hangers included\u003cbr data-start=\"1298\" data-end=\"1301\"\u003eSingle side exit configuration\u003cbr data-start=\"1331\" data-end=\"1334\"\u003eNo bungs (clean straight pipe setup)\u003c\/p\u003e\n\u003chr data-start=\"1372\" data-end=\"1375\"\u003e\n\u003ch3 data-start=\"1377\" data-end=\"1397\"\u003eImportant Notice\u003c\/h3\u003e\n\u003cp data-start=\"1398\" data-end=\"1584\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThis exhaust system is intended for \u003cstrong data-start=\"1434\" data-end=\"1470\"\u003eoff road or competition use only\u003c\/strong\u003e and may require aftermarket tuning. Buyer is responsible for ensuring compliance with local laws and regulations.\u003c\/p\u003e","brand":"Delaney's Diesel","offers":[{"title":"Default Title","offer_id":48764824518896,"sku":null,"price":569.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/5136\/1520\/files\/255-01506.webp?v=1769384985"},{"product_id":"ppe-3-stainless-down-pipe-04-5-10-6-6l-lly-lbz-lmm-duramax","title":"PPE 3\" Stainless Down Pipe 04.5-10 6.6L LLY \/ LBZ \/ LMM Duramax","description":"\u003ch2 data-start=\"94\" data-end=\"136\"\u003e3\" Stainless Downpipe (04.5–10 Duramax)\u003c\/h2\u003e\n\u003cp data-start=\"138\" data-end=\"459\"\u003eThe factory downpipe on the 04.5–10 GM Duramax is known to be restrictive due to the \u003cstrong data-start=\"223\" data-end=\"273\"\u003ecrushed\/oval section directly behind the turbo\u003c\/strong\u003e. That restriction limits exhaust flow and becomes even more noticeable once tuning or other performance upgrades are added—often leading to \u003cstrong data-start=\"414\" data-end=\"458\"\u003ehigher EGTs and slower throttle response\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"461\" data-end=\"633\"\u003eThis \u003cstrong data-start=\"466\" data-end=\"487\"\u003e3\" round downpipe\u003c\/strong\u003e replaces the crushed factory pipe with a smooth, free-flowing design to help your truck breathe better, spool quicker, and run cooler under load.\u003c\/p\u003e\n\u003cp data-start=\"635\" data-end=\"833\"\u003eBuilt from \u003cstrong data-start=\"646\" data-end=\"669\"\u003e304 stainless steel\u003c\/strong\u003e and \u003cstrong data-start=\"674\" data-end=\"697\"\u003espiral heat wrapped\u003c\/strong\u003e with titanium woven thread, this downpipe is made to handle real heat and real abuse while also helping reduce under-hood temperatures.\u003c\/p\u003e\n\u003ch3 data-start=\"835\" data-end=\"847\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"848\" data-end=\"1229\"\u003e\n\u003cli data-start=\"848\" data-end=\"902\"\u003e\n\u003cp data-start=\"850\" data-end=\"902\"\u003eReplaces restrictive crushed\/oval factory downpipe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"903\" data-end=\"959\"\u003e\n\u003cp data-start=\"905\" data-end=\"959\"\u003e\u003cstrong data-start=\"905\" data-end=\"931\"\u003e3\" smooth round design\u003c\/strong\u003e for improved exhaust flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"960\" data-end=\"1051\"\u003e\n\u003cp data-start=\"962\" data-end=\"1051\"\u003eHelps reduce \u003cstrong data-start=\"975\" data-end=\"991\"\u003ebackpressure\u003c\/strong\u003e, improve \u003cstrong data-start=\"1001\" data-end=\"1022\"\u003ethrottle response\u003c\/strong\u003e, and help control \u003cstrong data-start=\"1041\" data-end=\"1049\"\u003eEGTs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1052\" data-end=\"1117\"\u003e\n\u003cp data-start=\"1054\" data-end=\"1117\"\u003e\u003cstrong data-start=\"1054\" data-end=\"1090\"\u003e304 stainless steel construction\u003c\/strong\u003e for long-term durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1118\" data-end=\"1175\"\u003e\n\u003cp data-start=\"1120\" data-end=\"1175\"\u003e\u003cstrong data-start=\"1120\" data-end=\"1149\"\u003eSpiral heat wrap included\u003c\/strong\u003e (titanium woven thread)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1176\" data-end=\"1229\"\u003e\n\u003cp data-start=\"1178\" data-end=\"1229\"\u003eIncludes \u003cstrong data-start=\"1187\" data-end=\"1207\"\u003estainless clamps\u003c\/strong\u003e to secure heat wrap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1231\" data-end=\"1242\"\u003eFitment\u003c\/h3\u003e\n\u003cul data-start=\"1243\" data-end=\"1278\"\u003e\n\u003cli data-start=\"1243\" data-end=\"1278\"\u003e\n\u003cp data-start=\"1245\" data-end=\"1278\"\u003e\u003cstrong data-start=\"1245\" data-end=\"1278\"\u003e2004.5–2010 GM Duramax Diesel\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":48765006282992,"sku":null,"price":135.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/5136\/1520\/files\/117000500_dow-_pipe_1.webp?v=1769387612"},{"product_id":"ppe-3-stainless-down-pipe-01-04-gm-6-6l-duramax-lb7","title":"PPE 3\" Stainless Down Pipe 01-04 GM 6.6L Duramax LB7","description":"\u003ch2 data-start=\"122\" data-end=\"166\"\u003e3\" Stainless Downpipe (01–04 LB7 Duramax)\u003c\/h2\u003e\n\u003cp data-start=\"168\" data-end=\"485\"\u003eThe factory downpipe on the 01–04 GM Duramax LB7 is restrictive and can hold your truck back—especially once tuning or performance upgrades are added. Replacing the stock downpipe improves exhaust flow and helps reduce backpressure, which can lead to \u003cstrong data-start=\"419\" data-end=\"484\"\u003ebetter turbo response, lower EGTs, and improved throttle feel\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"487\" data-end=\"637\"\u003eThis \u003cstrong data-start=\"492\" data-end=\"513\"\u003e3\" round downpipe\u003c\/strong\u003e replaces the factory downpipe with a smooth, free-flowing design to help your LB7 run cooler and perform better under load.\u003c\/p\u003e\n\u003cp data-start=\"639\" data-end=\"834\"\u003eBuilt from \u003cstrong data-start=\"650\" data-end=\"673\"\u003e304 stainless steel\u003c\/strong\u003e and \u003cstrong data-start=\"678\" data-end=\"701\"\u003espiral heat wrapped\u003c\/strong\u003e with titanium woven thread, this downpipe is designed for long-term durability while also helping keep under-hood temperatures down.\u003c\/p\u003e\n\u003ch3 data-start=\"836\" data-end=\"848\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"849\" data-end=\"1217\"\u003e\n\u003cli data-start=\"849\" data-end=\"890\"\u003e\n\u003cp data-start=\"851\" data-end=\"890\"\u003eReplaces restrictive factory downpipe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"891\" data-end=\"947\"\u003e\n\u003cp data-start=\"893\" data-end=\"947\"\u003e\u003cstrong data-start=\"893\" data-end=\"919\"\u003e3\" smooth round design\u003c\/strong\u003e for improved exhaust flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"948\" data-end=\"1039\"\u003e\n\u003cp data-start=\"950\" data-end=\"1039\"\u003eHelps reduce \u003cstrong data-start=\"963\" data-end=\"979\"\u003ebackpressure\u003c\/strong\u003e, improve \u003cstrong data-start=\"989\" data-end=\"1010\"\u003ethrottle response\u003c\/strong\u003e, and help control \u003cstrong data-start=\"1029\" data-end=\"1037\"\u003eEGTs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1040\" data-end=\"1105\"\u003e\n\u003cp data-start=\"1042\" data-end=\"1105\"\u003e\u003cstrong data-start=\"1042\" data-end=\"1078\"\u003e304 stainless steel construction\u003c\/strong\u003e for long-term durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1106\" data-end=\"1163\"\u003e\n\u003cp data-start=\"1108\" data-end=\"1163\"\u003e\u003cstrong data-start=\"1108\" data-end=\"1137\"\u003eSpiral heat wrap included\u003c\/strong\u003e (titanium woven thread)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1164\" data-end=\"1217\"\u003e\n\u003cp data-start=\"1166\" data-end=\"1217\"\u003eIncludes \u003cstrong data-start=\"1175\" data-end=\"1195\"\u003estainless clamps\u003c\/strong\u003e to secure heat wrap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1219\" data-end=\"1230\"\u003eFitment\u003c\/h3\u003e\n\u003cul data-start=\"1231\" data-end=\"1261\"\u003e\n\u003cli data-start=\"1231\" data-end=\"1261\"\u003e\n\u003cp data-start=\"1233\" data-end=\"1261\"\u003e\u003cstrong data-start=\"1233\" data-end=\"1261\"\u003e2001–2004 GM Duramax LB7\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1263\" data-end=\"1276\"\u003eImportant\u003c\/h3\u003e\n\u003cp data-start=\"1277\" data-end=\"1329\"\u003e\u003cstrong data-start=\"1277\" data-end=\"1329\"\u003eYou MUST select the correct version:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1330\" data-end=\"1388\"\u003e\n\u003cli data-start=\"1330\" data-end=\"1357\"\u003e\n\u003cp data-start=\"1332\" data-end=\"1357\"\u003e\u003cstrong data-start=\"1332\" data-end=\"1357\"\u003eFederal Emissions LB7\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1358\" data-end=\"1388\"\u003e\n\u003cp data-start=\"1360\" data-end=\"1388\"\u003e\u003cstrong data-start=\"1360\" data-end=\"1388\"\u003eCalifornia Emissions LB7\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":48765060546800,"sku":null,"price":171.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/5136\/1520\/files\/11097.webp?v=1769387899"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/5136\/1520\/collections\/255-01507b.webp?v=1769281099","url":"https:\/\/delaneysdiesel.com\/collections\/exhaust-lb7-lmm.oembed","provider":"Delaney's Diesel","version":"1.0","type":"link"}