MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit

GM8428

2015-2016 Chev/GMC - 6.6L Duramax
3" 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