Borla Cat Back Exhaust Gmc Sierra 1500. Extended cab, crew cab drive: Single 2.75 into muffler dual 2.25 out tip size:
Web now available are borla's exhaust systems for the chevrolet silverado zr2 and gmc sierra at4x. It has the flapper valve but it is before the muffler. Extended cab, crew cab drive:
Extended cab, crew cab drive: Truck single split rear exit. Web gmc exhaust systems for sierra, yukon, denali, and more from borla®.
2.75 Into Muffler 2.25 Out Tip Size:
As the originator of aftermarket performance. Web now available are borla's exhaust systems for the chevrolet silverado zr2 and gmc sierra at4x. The system has the famous.
Single 2.75 Into Muffler Dual 2.25 Out Tip Size:
Million mile warranty on all gmc sierra denali exhaust systems. It has the flapper valve but it is before the muffler. Web borla is proud to offer performance exhaust systems for the 2011 gmc sierra 1500 for more hp,.