GM8428 MBRP 3" Down Pipe - GM 2015+ - 3-Bolt Flange Connection

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

- Greater Heat Reteion
- 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 lbft Torque

NOTE: DOES NOT FIT V-BAND STYLE FLANGES