Flowmaster '96-'99 Chevy/GMC Truck, 1/2 Ton, 5.7L, (W/Dual Flanged Cat), 2/4 Wheel Drive, Standard Cab/Short Bed, 117" Wheel Base, 2.50" Tailpipes, 70 Series Big Block II Muffler, 3.00" Logo Embossed Stainless Steel Tips, American Thunder, DOR/S, Mandrel Bent Tubing,16 Gauge Aluminized Steel