{"product_id":"dieselr-downpipe-back-exhaust-single-2001-2007-gm-2500-3500-6-6l-duramax-lb7-lly-lbz","title":"DIESELR Downpipe Back Exhaust - Single (2001-2007 GM 2500\/3500 6.6L Duramax LB7\/LLY\/LBZ)","description":"\u003ch3 data-start=\"667\" data-end=\"735\"\u003eThe Right Downpipe-Back Exhaust for Your LB7 or LBZ Duramax\u003c\/h3\u003e\n\u003cp data-start=\"736\" data-end=\"1069\"\u003eIf you own a 2001–2007 GM 2500 or 3500 with the 6.6L Duramax LB7, LLY, or LBZ engine, the factory exhaust is holding your truck back. The \u003cstrong data-start=\"874\" data-end=\"923\"\u003eDieselr LB7 LBZ Duramax Downpipe-Back Exhaust\u003c\/strong\u003e replaces restrictive OEM piping with a full mandrel-bent T409 stainless system — built for better airflow, lower EGTs, and long-haul reliability.\u003c\/p\u003e\n\u003cp data-start=\"1071\" data-end=\"1140\"\u003eThis isn’t a universal kit. It’s built specifically for your Duramax.\u003c\/p\u003e\n\u003chr data-start=\"1142\" data-end=\"1145\"\u003e\n\u003ch3 data-start=\"1147\" data-end=\"1216\"\u003eBuilt to Outperform: Why Dieselr’s Downpipe-Back System Wins\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1219\" data-end=\"1292\"\u003e\n\u003cstrong data-start=\"1219\" data-end=\"1256\"\u003eT409 Stainless Steel Construction\u003c\/strong\u003e – Corrosion-resistant and durable\u003c\/li\u003e\n\u003cli data-start=\"1295\" data-end=\"1349\"\u003e\n\u003cstrong data-start=\"1295\" data-end=\"1318\"\u003eMandrel-Bent Tubing\u003c\/strong\u003e – No crimps, no airflow loss\u003c\/li\u003e\n\u003cli data-start=\"1352\" data-end=\"1412\"\u003e\n\u003cstrong data-start=\"1352\" data-end=\"1373\"\u003eLeak-Free Flanges\u003c\/strong\u003e – Upgraded clamps for a tighter seal\u003c\/li\u003e\n\u003cli data-start=\"1415\" data-end=\"1483\"\u003e\n\u003cstrong data-start=\"1415\" data-end=\"1437\"\u003ePre-Welded Hangers\u003c\/strong\u003e – Easier install and more secure under load\u003c\/li\u003e\n\u003cli data-start=\"1486\" data-end=\"1544\"\u003e\n\u003cstrong data-start=\"1486\" data-end=\"1505\"\u003eNo Sensor Bungs\u003c\/strong\u003e – Clean straight pipe for tuned setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1546\" data-end=\"1661\"\u003eThe \u003cstrong data-start=\"1550\" data-end=\"1591\"\u003eLB7 LBZ Duramax Downpipe-Back Exhaust\u003c\/strong\u003e is built for trucks that work hard and don’t settle for factory flow.\u003c\/p\u003e\n\u003chr data-start=\"1663\" data-end=\"1666\"\u003e\n\u003ch3 data-start=\"1668\" data-end=\"1701\"\u003ePerformance You Can Feel\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1704\" data-end=\"1743\"\u003eLower exhaust gas temperatures (EGTs)\u003c\/li\u003e\n\u003cli data-start=\"1746\" data-end=\"1790\"\u003eDeeper, smoother tone (with proper tuning)\u003c\/li\u003e\n\u003cli data-start=\"1793\" data-end=\"1834\"\u003eIncreased responsiveness under throttle\u003c\/li\u003e\n\u003cli data-start=\"1837\" data-end=\"1881\"\u003eBuilt to handle power mods and long-term use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1883\" data-end=\"2008\"\u003ePair this downpipe-back exhaust with proper race tuning, and your 6.6L Duramax gets the system it should’ve had from day one.\u003c\/p\u003e\n\u003chr data-start=\"2010\" data-end=\"2013\"\u003e\n\u003ch3 data-start=\"2015\" data-end=\"2070\"\u003eFitment: LB7, LLY, and LBZ Duramax (2001–2007)\u003c\/h3\u003e\n\u003cp data-start=\"2071\" data-end=\"2164\"\u003eFits:\u003cbr data-start=\"2076\" data-end=\"2079\"\u003e\u003cstrong data-start=\"2079\" data-end=\"2125\"\u003e2001–2007 Silverado\/Sierra 2500HD \u0026amp; 3500HD\u003c\/strong\u003e with \u003cstrong data-start=\"2131\" data-end=\"2164\"\u003e6.6L Duramax LB7, LLY, or LBZ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2166\" data-end=\"2200\"\u003eSupports: EC\/CC – SB, LB, Dually\u003c\/p\u003e\n\u003cblockquote data-start=\"2201\" data-end=\"2241\"\u003e\n\u003cp data-start=\"2203\" data-end=\"2241\"\u003e\u003cem data-start=\"2203\" data-end=\"2241\"\u003eNot for Cab \u0026amp; Chassis configurations\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"2243\" data-end=\"2246\"\u003e\n\u003ch3 data-start=\"2248\" data-end=\"2272\"\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2275\" data-end=\"2322\"\u003eFull \u003cstrong data-start=\"2280\" data-end=\"2320\"\u003eLB7 LBZ Downpipe-Back Exhaust System\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2325\" data-end=\"2375\"\u003eAll clamps, flanges, and welded hangers included\u003c\/li\u003e\n\u003cli data-start=\"2378\" data-end=\"2410\"\u003eSingle side exit configuration\u003c\/li\u003e\n\u003cli data-start=\"2411\" data-end=\"2462\"\u003e\n\u003cp data-start=\"2413\" data-end=\"2462\"\u003e\u003cem data-start=\"2413\" data-end=\"2462\"\u003eNo bungs — built for custom, race-ready systems\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2464\" data-end=\"2467\"\u003e\n\u003cp\u003e\u003cstrong\u003eRace-Only Use Notice\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2499\" data-end=\"2714\"\u003eThis system is intended for \u003cstrong data-start=\"2527\" data-end=\"2563\"\u003eoff-road or competition use only\u003c\/strong\u003e. Requires aftermarket tuning. Installation on emissions-controlled vehicles may violate local laws. Check your region’s regulations before installing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2716\" data-end=\"2719\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Dieselr?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2743\" data-end=\"2805\"\u003eWe’re not a call center pushing boxes. We’re the \u003cstrong data-start=\"2792\" data-end=\"2802\"\u003esource\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"2808\" data-end=\"2854\"\u003eTrusted by the same brands you see every day\u003c\/li\u003e\n\u003cli data-start=\"2857\" data-end=\"2907\"\u003eStocked across North America for faster delivery\u003c\/li\u003e\n\u003cli data-start=\"2910\" data-end=\"2969\"\u003eBacked by techs and tuners who actually know Duramax trucks\u003c\/li\u003e\n\u003cli data-start=\"2971\" data-end=\"3033\"\u003eWhen fitment, flow, and support matter — \u003cstrong data-start=\"3012\" data-end=\"3032\"\u003eDieselr delivers\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e","brand":"Dieselr Parts","offers":[{"title":"5\" \/ No Muffler","offer_id":48433005166841,"sku":"255-01507","price":579.99,"currency_code":"USD","in_stock":true},{"title":"4\" \/ No Muffler","offer_id":48433005199609,"sku":"255-01407","price":564.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/3793\/5353\/files\/255-01507_b43d9652-bfd1-48f9-af07-3792eecc268d.webp?v=1779554934","url":"https:\/\/www.georgiadieselworks.com\/products\/dieselr-downpipe-back-exhaust-single-2001-2007-gm-2500-3500-6-6l-duramax-lb7-lly-lbz","provider":"Georgia Diesel Works","version":"1.0","type":"link"}