01/19/2026
Upgrade your 2001-2016 GM/Chevrolet 6.6L Duramax engine with these Heavy Duty Upgraded 304SS Turbo Up Pipes. Designed for LB7 LLY LBZ LMM LML models, these up pipes offer a significant reduction in exhaust back pressure and 50% more flow over stock pipes. Crafted from high-quality 304 stainless steel, these pipes feature a free-flowing stainless steel inner liner bellows for improved performance.
Enjoy faster turbo response, lower exhaust temperatures, and a direct bolt-on replacement to factory manifolds with these heavy-duty up pipes. This kit includes OEM length left and right pipes, stainless gaskets, and 12 12.9 bolts & washers for easy installation. Please note that these pipes are for race use only and will not work with EGR systems. Upgrade your Duramax engine today for optimal performance!
