MBRP 3" Installer Series 2015-2016 Silverado/Sierra 6.6L Duramax Turbo Diesel Down Pipe, AL - GM8428

MBRP 3" Installer Series 2015-2016 Silverado/Sierra 6.6L Duramax Turbo Diesel Down Pipe, AL - GM8428

Part #: GM8428
  • $241.33
    Unit price per 
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3" Armor BLK Chevy/GMC 6.6L Duramax 2015 - 2016 Turbo Diesel Down Pipe, AL

Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance.

  • Direct fit to updated GM 3-bolt inlet DPF
  • Will not affect emissions
  • Greater heat retention
  • Richer diesel sound
  • Only works with a 3 bolt flange style connection
  • Not to be sold in California
  • 20% Greater Flow Over Stock
  • Gains of +21 HP and +24 lb/ft Torque
  • Part Number: GM8428
  • Year: 2015-2016
  • Make: Chevrolet/GMC
  • Model Silverado 2500HD/Silverado 3500HD/Sierra 2500HD/Sierra 3500HD
  • Engine: 6.6L Duramax V8
  • Tubing Size: 3 Inch
  • Series: Armor BLK
  • Material: Black-Coated Aluminized Steel
  • Warranty: 3-year warranty

Material Specs:

Black-Coated Aluminized Steel

Style comes first with this finish. It’s the same material from our aluminized steel, but the tailpipes are coated in a special high-heat black powder-coating giving any vehicle a unique look. These systems come with matching black tips as well


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