01-16 Duramax High Flow Exhaust Manifolds & Up Pipes 20 Inch Extended Length (IN): 23

Extended Length (IN): 23

but also generate heat in the process

Easily installs by plugging into existing factory ports

This is our full metal 4" Cold Air Intake system for 04

The RDS L5P 64mm turbo is an excellent upgrade for your 2017 – 2022 L5P Duramax Diesel truck

01-16 Duramax High Flow Exhaust Manifolds & Up Pipes 20 Inch Extended Length (IN): 23Fits: 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.