We have a range of dual tip mufflers, constructed from t304 stainless steel. These boxes are polished to a mirror finish. The Corvette kit is designed to fit 1984 thru 1991 cars, except ZR1, with either the standard 2-1/4 inch or larger 2-1/2 inch rear y-pipe. Each kit comprises a pair of mufflers, a pair of stainless steel bends, 4 steel clamps, a pair of hangers and bolts.