01-16 Duramax High Flow Exhaust Manifolds & Up PipesFits: 2001 2004 Chevy GMC 6. 6l Duramax LB7 engines in 2500 & 3500 applications. May also fit non emissions Race 2004. 5 2016 LLY LBZ LMM LGH & LML engines. Note: 2015+ may require modification of the shock mount. Product Details This set of exhaust manifolds and up pipes makes a significant difference in the flow of your exhaust system pre turbo. This system will reduce EGT's and help your engine come alive! Includes: 2. High Flow Exhaust Up Pipes 2.

The Premium Aluminum Series covers are constructed from industrial strength aluminum slats that provide unsurpassed strength and ruggedness

Internal and external fins transfer heat from the fluid to the outside air for maximum cooling

Doesn't affect warranty

It's solid

Performance 55+ Horsepower

Many of the Chevy Duramax coolant lines are routed in a way that makes it difficult to upgrade turbochargers

and the transfer case is making some noise you may have a stretched or damaged chain

Installation Hardware

7 Powerstroke Cat Fuel Filter Adapter & Fuel Bowl Delete completely removes the factory style Fuel filter

7L Diesel Fuel Rail Pressure Relief Valve From Bosch

reduce your EGTs and increase spool up

5 to 2019 Dodge Ram 5500 with the 6