3.5" Downpipe | 2017-2023 GM/Chevy Duramax L5P 6.6L

Compatibility:

• 2017-2023 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax pickup trucks. Will not fit Cab & Chassis trucks.

Description:

• Material: High quality stainless steel
• 3.5" Stainless Steel Piping.
• 20% better flow than the factory pipe.
• 4-bolt flange, two studs installed.
• Completely eliminates the DOC.
• Direct Fitment; No Modifications Required.
• High-quality sealing ring to prevent oil leakage.