MBRP S5151AL 4 Inch Cat Back Exhaust System For 14-Up RAM 2500 6.4L Dual Split Side Exit Aluminized Steel 2011-2016 Chevy/GMC Duramax 6.6 LML Testing was conducted on a

Testing was conducted on a 2011 GMC Sierra 1500 with a 5

NOTICE: This kit requires removal of the transmission for installation of the internal parts

Designed through testing at 130+ psi turbo boost pressure and 500-degree F turbo outlet temperatures

Anodized aluminum fittings with integral O-rings for leak free installation

3L 16 Valve Engine with 4R110 Automatic Transmission (Built November 1998 and newer)

MBRP S5151AL 4 Inch Cat Back Exhaust System For 14-Up RAM 2500 6.4L Dual Split Side Exit Aluminized Steel 2011-2016 Chevy/GMC Duramax 6.6 LML Testing was conducted on aThe Best Bang for your buck ARMOR LITE Series exhaust systems are a value option with the same fitment, performance and sound as the premium products from MBRP. Heavy gauge Aluminized Steel tubing helps to resist dings and dents caused by debris under your vehicle. This material can be a great choice for you if you live in a dry climate that doesn't see much precipitation, or if you're looking for great sound on a budget. All of the tubing is mandrel