Description
Part #: mbrpGM8427
2011-16 LML GMC Sierra 2500-3500
2011-16 LML Chevrolet Silverado 2500-3500
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
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