{"product_id":"race-exhaust-system-1","title":"2001–2007 Classic Duramax 6.6L 4\" or 5\" Exhaust System | Chevy Silverado \/ GMC Sierra 2500HD 3500HD (LB7 LLY LBZ) | Sasquatch Diesel","description":"\u003ch2 data-start=\"0\" data-end=\"72\"\u003e2001–2007 Classic Duramax 6.6L 5\" Exhaust System | Chevy Silverado \/ GMC Sierra 2500HD 3500HD (LB7 LLY LBZ) | Sasquatch Diesel\u003c\/h2\u003e\n\u003ch3 data-start=\"74\" data-end=\"114\"\u003eBuilt different (and you’ll feel it)\u003c\/h3\u003e\n\u003cp data-start=\"115\" data-end=\"351\"\u003eSasquatch Exhaust Systems aren’t built as “price-point” pipe. Our systems use \u003cstrong data-start=\"193\" data-end=\"217\"\u003e16-gauge wall tubing\u003c\/strong\u003e (approx. \u003cstrong data-start=\"227\" data-end=\"246\"\u003e1.5 mm \/ 0.059\"\u003c\/strong\u003e) because that spec matters where it counts: \u003cstrong data-start=\"291\" data-end=\"350\"\u003edurability, fitment, weld integrity, sealing, and sound\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-start=\"353\" data-end=\"402\"\u003eWhy 16-gauge tubing matters in the real world\u003c\/h3\u003e\n\u003cp data-start=\"404\" data-end=\"516\"\u003e\u003cstrong data-start=\"404\" data-end=\"453\"\u003e1) Takes abuse without turning into a pretzel\u003c\/strong\u003e\u003cbr data-start=\"453\" data-end=\"456\"\u003eThicker wall tubing is simply tougher and more resistant to:\u003c\/p\u003e\n\u003cul data-start=\"517\" data-end=\"673\"\u003e\n\u003cli data-start=\"517\" data-end=\"566\"\u003e\n\u003cp data-start=\"519\" data-end=\"566\"\u003edents from rocks, ice chunks, and road debris\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"567\" data-end=\"622\"\u003e\n\u003cp data-start=\"569\" data-end=\"622\"\u003edeformation during install (less “tweak it to fit”)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"623\" data-end=\"673\"\u003e\n\u003cp data-start=\"625\" data-end=\"673\"\u003estress fatigue around hangers\/joints over time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"675\" data-end=\"804\"\u003e\u003cstrong data-start=\"675\" data-end=\"722\"\u003e2) Better fitment = fewer install headaches\u003c\/strong\u003e\u003cbr data-start=\"722\" data-end=\"725\"\u003e16-gauge pipe holds its shape better, so everything lines up the way it should:\u003c\/p\u003e\n\u003cul data-start=\"805\" data-end=\"994\"\u003e\n\u003cli data-start=\"805\" data-end=\"832\"\u003e\n\u003cp data-start=\"807\" data-end=\"832\"\u003ehangers line up cleaner\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"833\" data-end=\"856\"\u003e\n\u003cp data-start=\"835\" data-end=\"856\"\u003etips sit straighter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"857\" data-end=\"903\"\u003e\n\u003cp data-start=\"859\" data-end=\"903\"\u003eless rattling from pipes sitting too close\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"904\" data-end=\"994\"\u003e\n\u003cp data-start=\"906\" data-end=\"994\"\u003eless “pre-load” stress from forcing parts into position (a common cause of cracks later)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"996\" data-end=\"1199\"\u003e\u003cstrong data-start=\"996\" data-end=\"1036\"\u003e3) Stronger weld zones, less warping\u003c\/strong\u003e\u003cbr data-start=\"1036\" data-end=\"1039\"\u003eThicker material gives more margin for proper weld penetration and helps reduce heat distortion at junctions and flanges—where cheaper systems often fail first.\u003c\/p\u003e\n\u003cp data-start=\"1201\" data-end=\"1367\"\u003e\u003cstrong data-start=\"1201\" data-end=\"1250\"\u003e4) Better sealing with proper flange surfaces\u003c\/strong\u003e\u003cbr data-start=\"1250\" data-end=\"1253\"\u003eA quality exhaust is more than tubing. Flat, consistent sealing surfaces stay sealed through repeated heat cycles:\u003c\/p\u003e\n\u003cul data-start=\"1368\" data-end=\"1448\"\u003e\n\u003cli data-start=\"1368\" data-end=\"1391\"\u003e\n\u003cp data-start=\"1370\" data-end=\"1391\"\u003ebetter gasket crush\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1392\" data-end=\"1407\"\u003e\n\u003cp data-start=\"1394\" data-end=\"1407\"\u003efewer leaks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1408\" data-end=\"1448\"\u003e\n\u003cp data-start=\"1410\" data-end=\"1448\"\u003eless re-tightening and “chasing leaks”\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1450\" data-end=\"1589\"\u003e\u003cstrong data-start=\"1450\" data-end=\"1470\"\u003e5) Sound quality\u003c\/strong\u003e\u003cbr data-start=\"1470\" data-end=\"1473\"\u003eThicker wall tubing tends to sound \u003cstrong data-start=\"1508\" data-end=\"1522\"\u003emore solid\u003c\/strong\u003e and \u003cstrong data-start=\"1527\" data-end=\"1541\"\u003eless tinny\u003c\/strong\u003e, because it doesn’t “ring” like thin-wall pipe.\u003c\/p\u003e\n\u003cp data-start=\"1591\" data-end=\"1736\"\u003e\u003cstrong data-start=\"1591\" data-end=\"1607\"\u003eBottom line:\u003c\/strong\u003e 16-gauge isn’t marketing fluff—it’s a real build spec that improves \u003cstrong data-start=\"1676\" data-end=\"1735\"\u003edurability, fitment, weld stability, sealing, and sound\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1738\" data-end=\"1741\"\u003e\n\u003ch2 data-start=\"1743\" data-end=\"1776\"\u003eCab \u0026amp; Chassis note (important)\u003c\/h2\u003e\n\u003cp data-start=\"1777\" data-end=\"1994\"\u003eIf you have a \u003cstrong data-start=\"1780\" data-end=\"1797\"\u003eCab \u0026amp; Chassis\u003c\/strong\u003e, \u003cstrong data-start=\"1811\" data-end=\"1850\"\u003emodification may be required to fit\u003c\/strong\u003e. Early Duramax cab \u0026amp; chassis trucks came with a wide range of wheelbase\/length configurations. \u003c\/p\u003e\n\u003chr data-start=\"1996\" data-end=\"1999\"\u003e\n\u003ch2 data-start=\"2001\" data-end=\"2020\"\u003eMaterial options\u003c\/h2\u003e\n\u003ch3 data-start=\"2022\" data-end=\"2054\"\u003eT409 Stainless (recommended)\u003c\/h3\u003e\n\u003cp data-start=\"2055\" data-end=\"2186\"\u003eOur stainless option is the go-to for customers who want the best long-term durability and corrosion resistance for real-world use.\u003c\/p\u003e\n\u003ch3 data-start=\"2188\" data-end=\"2220\"\u003eAluminized (budget-series)\u003c\/h3\u003e\n\u003cp data-start=\"2221\" data-end=\"2470\"\u003eStill a solid system, but this option is \u003cstrong data-start=\"2262\" data-end=\"2300\"\u003eoverseas-produced aluminized steel\u003c\/strong\u003e rather than our \u003cstrong data-start=\"2317\" data-end=\"2340\"\u003eT409 stainless line\u003c\/strong\u003e, and it won’t have the same fit\/finish level. Ideal if you’re trying to keep cost down while still upgrading to a full 5\" system.\u003c\/p\u003e","brand":"FLO-PRO \/ JAMO","offers":[{"title":"Aluminized \/ 4 inch","offer_id":44792912969905,"sku":"FES-01-07-CHEVY-AL-4IN","price":599.99,"currency_code":"USD","in_stock":true},{"title":"Aluminized \/ 5 inch","offer_id":44792913035441,"sku":"FES-01-07-CHEVY-AL-5IN","price":699.99,"currency_code":"USD","in_stock":true},{"title":"T409 Stainless \/ 4 inch","offer_id":44792913100977,"sku":"FES-01-07-CHEVY-SS-4IN","price":699.99,"currency_code":"USD","in_stock":true},{"title":"T409 Stainless \/ 5 inch","offer_id":44792913166513,"sku":"FES-01-07-CHEVY-SS-5IN","price":799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/3144\/8241\/files\/2001-2007-Duramax-4-Downpipe-Back-Exhaust-No-Muffler-FLO-801NM-Downpipe-Back-Exhaust-System-Flo-Pro-FLO-SS801NM-Canada_d9815af1-086d-42bc-a680-c248d47e1662.webp?v=1729807052","url":"https:\/\/checkout.sasquatchdiesel.ca\/products\/race-exhaust-system-1","provider":"Sasquatch Diesels","version":"1.0","type":"link"}