3.5" Downpipe Down Pipe For GM GMC Sierra Chevrolet Silverado Duramax L5P 2017-2023 Coolant Flanges • Fuel pressure rises on

• Fuel pressure rises on a 1:1 ratio with boost

0L BMW E90 325xi N52 3

Includes billet aluminum spacers with O-rings for a leak-free seal

Complete with a seamless-fit downpipe

3.5" Downpipe Down Pipe For GM GMC Sierra Chevrolet Silverado Duramax L5P 2017-2023 Coolant Flanges • Fuel pressure rises on3. 5" Stainless Steel Piping 20% better flow rate than the factory pipe Heat wrap included to help keep engine bay temperatures down Greater heat retention Will not affect emissions systems Maximum flow for competition applications 4 bolt flange, two studs installed Completely eliminates the DOC *Off road use only. Custom tuning required*