MBRP 3" Turbo Down Pipe, 2011-2015 Silverado/Sierra 6.6L Duramax - GM8427
Part #: GM8427Free Shipping in Canada.
2011-2015 Chev/GMC - 6.6L Duramax 3" Turbo Down Pipe
Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance.
- Greater Heat Retention
- 20% Greater Flow Over Stock
- Richer Diesel Sound
- Will not Affect Emissions (DPF system or the Urea injection system)
- Gains of +21 HP and +24 lb/ft Torque
- Will not work with a 3 bolt flange style connection
- Not to be sold in California
- Part Number: GM8427
- Year: 2011-2015
- 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 SteelStyle 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
