DOWN PIPES

2011-2015* LML Duramax 6.6L Chev/GMC 3" Heat Wrapped Downpipe - Truck ONLY** *Does Not Fit Late Models With 3 Bolt Flange **Does Not Fit Chassis Cab or Kodiak/Topkick Applications   Features: 3" Stainless Steel piping20% better flow than the...

2011-2015 GM 6.6L DURAMAX LML   The MBRP GMCA427 3" Turbo Downpipe eliminates the restrictive factory downpipe in your 2011-2015 GM 6.6L Duramax LML. Featuring a mandrel bent aluminized steel construction, the MBRP 3" Turbo Downpipe provides a...