3.5 Inch Downpipe Exhaust for 2017-2023 L5P 6.6L Duramax Diesel

Fitment:
2017,2018,2019,2020,2021,2022,2023 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax pickup trucks. Will not fit Cab & Chassis trucks.

Features:
3.5" Stainless Steel Piping
20% better flow than the factory pipe

Heat-wrap included keeping engine bay temperatures down
Greater heat-retention
Will not affect emissions systems
Maximum flow for competition applications
4-bolt flange, two studs installed
*Off-road use only. Custom tuning required*