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

Compatibility:

2017-2023 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax L5P pickups.

Description:

• 3.5-inch stainless steel piping
• Increased heat dissipation
• Will not affect emissions systems
  
• 20% better flow compared to factory pipe
• Completely eliminates DOC