dB by CORSAs patented Reflective Sound Cancellation® (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, and a deep aggressive rumble. Computerized; mandrel bent; straight through design for maximum airflow which improves fuel economy and performance.
Sport Cat-Back Exhaust System; Single Side Exit; 3 in. Dia.; Incl. dB™ Muffler/Pipes/Clamps/Single 4 in. Polished Slash Cut Tip;
11-14 GM 2500 6.0L 133.7

Fitment:
Chevrolet Silverado 2500 HD LT 2011
Chevrolet Silverado 2500 HD LT 2012
Chevrolet Silverado 2500 HD LT 2013
Chevrolet Silverado 2500 HD LT 2014
Chevrolet Silverado 2500 HD WT 2011
Chevrolet Silverado 2500 HD WT 2012
Chevrolet Silverado 2500 HD WT 2013
Chevrolet Silverado 2500 HD WT 2014
GMC Sierra 2500 HD SLE 2011
GMC Sierra 2500 HD SLE 2012
GMC Sierra 2500 HD SLE 2013
GMC Sierra 2500 HD SLE 2014
GMC Sierra 2500 HD WT 2011
GMC Sierra 2500 HD WT 2012
GMC Sierra 2500 HD WT 2013
GMC Sierra 2500 HD WT 2014