2001-2018 Duramax Allison 1000/2000 Overhaul Complete Gasket Kit (T116002A) 2017 - 2023 GM Fuel Systems 7L P1 4" Race Pipe

7L P1 4" Race Pipe w/ Muffler (CDS9448)

the Interstate McBee intake Valve (M-3901117) is a suitable option for your needs

Capable of 850-900 RWHP with proper supporting modifications

5 Cummins 5

With multiple sizes and configurations

2001-2018 Duramax Allison 1000/2000 Overhaul Complete Gasket Kit (T116002A) 2017 - 2023 GM Fuel Systems 7L P1 4" Race Pipe2001 2018 Duramax Allison 1000 2000 Overhaul Complete Gasket Kit (T116002A) Premium Gaskets & Seals Kit includes everything needed in a trans mission rebuilding kit for optimal performance. When it comes to transmission kits and components, Seal Aftermarket Products are dedicated to giving only the best quality component and technical support.