{"product_id":"exhaust-pipe-for-chevrolet-silverado-gmc-sierra-2001-2016-6-6l-lb7-lly-lbz-lmm-lml","title":"Exhaust Pipe for Chevrolet Silverado GMC Sierra (2001-2016) 6.6L LB7 LLY LBZ LMM LML","description":"\u003ch2\u003eHeavy-Duty Stainless Exhaust Up-Pipe for 2001-2016 GMC Sierra \u0026amp; Chevrolet Silverado (Duramax\/GMT800-K2XX)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThis passenger-side exhaust up-pipe replaces the restrictive and fracture-prone factory unit to optimize exhaust flow, reduce backpressure, and improve turbocharger spool-up on Duramax engines.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eThe Stock Silverado \u0026amp; Sierra Thermal Fatigue Failure\u003c\/h3\u003e\n\u003cp\u003eThe OEM passenger-side up-pipe on the 6.6L Duramax is a known weak link, constructed from thin-walled steel that is highly susceptible to thermal fatigue. Through thousands of heat cycles, the factory bellows and flange welds often develop stress fractures, leading to significant exhaust leaks before the turbocharger. These leaks result in a loss of drive pressure, which manifests as sluggish throttle response, increased Exhaust Gas Temperatures (EGTs), and a noticeable drop in boost pressure. Furthermore, the internal diameter of the stock pipe is often compromised by restrictive bends that create turbulence, hindering the thermal efficiency required for heavy-duty towing.\u003c\/p\u003e\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered to withstand the extreme heat of high-output diesel applications, this up-pipe is fabricated from mandrel-bent T-304 stainless steel. Unlike the factory unit, the 2.0-inch diameter through-bore provides a smooth, unobstructed path for spent gasses, significantly increasing velocity to the turbine housing. The T-304 alloy offers superior resistance to oxidation and corrosion, ensuring the pipe will not scale or thin out over time. The assembly features reinforced 3-bolt flanges and heavy-duty bellows designed to absorb the engine's natural vibrations and torque-induced movement without cracking. This bolt-on upgrade restores lost power, lowers EGTs, and provides the structural integrity needed for tuned or hard-working trucks.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2001-2016 GMC Sierra \/ Chevrolet Silverado 2500HD\/3500HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eDuramax 6.6L (LB7, LLY, LBZ, LMM, LML) \/ GMT800, GMT900, GMTK2XX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e300-397 hp \/ 520-765 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eUL184AU052PS2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eT-304 Full Stainless Steel \/ Chrome Polished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2001-2016 Chevrolet Silverado 2500HD \/ 3500HD (6.6L Duramax)\u003c\/li\u003e\n\u003cli\u003e2001-2016 GMC Sierra 2500HD \/ 3500HD (6.6L Duramax)\u003c\/li\u003e\n\u003cli\u003eEngine Codes: LB7, LLY, LBZ, LMM, LML\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Duramax Heavy-Duty Standard\u003c\/h3\u003e\n\u003cp\u003eThese trucks are purpose-built for high-torque hauling and demanding job sites. Upgrading to a T-304 stainless up-pipe ensures your 6.6L powerplant maintains consistent boost pressure and long-term reliability. By eliminating the risk of exhaust leaks, you protect your turbocharger and ensure your rig is always ready for the next heavy load.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":47997034889464,"sku":"DS-ETEEKUAFA","price":119.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/exhaust-pipe-for-chevrolet-silverado-gmc-sierra-2001-2016-6-6l-lb7-lly-lbz-lmm-lml-1.webp?v=1771279258","url":"https:\/\/performancechiptuning.com\/products\/exhaust-pipe-for-chevrolet-silverado-gmc-sierra-2001-2016-6-6l-lb7-lly-lbz-lmm-lml","provider":"Performance Chip Tuning","version":"1.0","type":"link"}