2017-2026 GM 6.6L Duramax L5P Stainless Steel 3.5" Downpipe

Vehicle Fitment:
2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax L5P pickup trucks. 

Description: This 3.5" turbocharger downpipe will increase exhaust flow out of the turbo, improving performance.

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*