XR-1 Racing Muffler 16in Oval 3in In/Out Midpipes Extensive testing on the street

Extensive testing on the street and at the track has enabled us to develop custom systems that have been tuned for optimum performance while avoiding the foibles of typical 'big brake kits

Exhaust System - Sport - Cat-Back - 3 in Diameter - 4 in Tip - Stainless - Natural - GM LS-Series - GM Fullsize Truck 2010-13 - Kit

Exhaust System - ATAK - Axle-Back - 2

From the free app

25 inch Catalyst GESI 85200 high flow Catalyst Diameter 4

XR-1 Racing Muffler 16in Oval 3in In/Out Midpipes Extensive testing on the streetMuffler XR 1 Race Line 3 in Center Inlet 3 in Center Outlet 16 x 4. 25 x 7. 88 in Oval Body 21 in Long Stainless Natural Universal Each