Gibson Performance Exhaust 66563 Stainless Steel Exhaust System Ram 1500 2WD/4WD: 2006-08 5.7L (Reg/Quad, Short/Long Bed), 2008 4.7L (Quad Cab, Short Bed) 2.5" mandrel bent tubing Baffled, chambered muffler with powerful deep tone & no internal packing Polished 6" T304 Stainless Steel Oblong Clamp-On Tip Exits in Front of Rear Tire