2001–2016 Duramax High-Flow Exhaust Manifolds & Up-Pipes

Improve exhaust flow and get the most out of your Duramax with our high-flow exhaust manifold and up-pipe kit!

Designed for 2001–2016 6.6L Duramax applications, this kit is an excellent upgrade for anyone looking to improve exhaust flow, reduce restriction, and support increased horsepower.

Whether you're running a stock turbo, upgraded drop-in charger, or a custom turbo setup, our high-flow manifolds and stainless steel up-pipes provide a solid foundation for your performance build.

Features & Benefits

• High-Flow Exhaust Manifolds – Designed to improve exhaust flow and reduce restriction compared to factory components.

• Stainless Steel Up-Pipes – Quality stainless steel construction for durability and long-term performance.

• Improved Exhaust Efficiency – Designed to help exhaust gases flow more efficiently to the turbocharger.

• Performance-Ready Construction – A great addition to stock, modified, and high-horsepower Duramax builds.

Kit Includes

• (1) Driver-Side High-Flow Exhaust Manifold

• (1) Passenger-Side High-Flow Exhaust Manifold

• (1) Driver-Side Stainless Steel Up-Pipe

• (1) Passenger-Side Stainless Steel Up-Pipe

• Gaskets and Hardware

Vehicle Fitment

2001–2016 Chevrolet Silverado & GMC Sierra 2500HD/3500HD — 6.6L Duramax

• 2001–2004 LB7

• 2004.5–2005 LLY

• 2006–2007 LBZ

• 2007.5–2010 LMM

• 2011–2016 LML

Why Choose Proven Performance?

At Proven Performance, we know that building horsepower starts with having the right supporting components. Our high-flow exhaust manifold and up-pipe kits are a great option for anyone looking to improve their Duramax's exhaust system, whether it's a daily driver, tow rig, or dedicated performance build.