The Best Systems Start with the Best Materials
Maximize performance in your race built 2011-2015 GM 6.6L Duramax LML with the MBRP C6044304 4" Pro Series Downpipe-Back Competition Exhaust. Constructed from T304 stainless steel, the Pro Series delivers optimal durability. Easy to clean up and maintain, this is the perfect exhaust system for show trucks, lifted applications, and for those who only choose the best.
Built to Perform
With MBRP Competition pipes you will never have to worry about your exhaust system being the weak link in winning that checkered flag. Mandrel bent tubing, the lowest bend degree angles and extensive dyno tuning guarantee you maximum exhaust flow, maximum horsepower, maximum torque and minimum exhaust gas temperatures.
MBRP systems are as much fun to install as to drive with on your truck. Bolt-on, no weld design makes installing this on your truck a no hassle project. Everything is direct fit to the OEM hangers and you get all the clamps and parts you will need, all in one box, no matter what configuration of truck you have.
- 4" T304 Stainless Steel
- Polished T304 Exhaust Tip
- Free-Flowing Performance Muffler
- Downpipe-Back Race Exhaust System
- Lifetime Warranty
Note: This free-flow race exhaust system requires the use of an aftermarket performance programmer with off-road tuning.