Stainless Exhaust Manifolds & Turbo Up Pipes for 2004.5-2010 6.6L Duramax Diesel

Upgrade your 2004.5-2010 6.6L Duramax Diesel engine with Doctor Diesel's performance stainless steel exhaust manifolds & up pipes. Reduce EGTs and drive pressure, speed up turbo spool-up, and increase air flow by up to 55% with these reliable and easy-to-install components. Perfect for GMC Sierra and Chevy Silverado trucks.