Auto Trans Crew Cab-Short Bed (67.4) Regular Cab 2009-2018 Ram 1500 5.7L V8 Auto Trans 2+4WD Regular Cab or 4-Door Extended Cab-Standard Bed (76.3)/Crew Cab-Short Bed (67.4) Through Bumper Specifications Product Type Cat-Back&trade Exhaust Pipe Diameter 3 into muffler dual 2.5 out Tip Size 5 Tip Description Single Round Rolled Angle-Cut Tip 49 Exit Truck Single Split Rear Exit Vehicle(s) shown may vary from your specific model. Note Products are shipped un-polished unless otherwise indicated. Image shown may be a polished version. Tip style may vary.