These universal mufflers are ideal for those who choose to make their own custom exhaust systems. SuperTrapp has long been the exhaust system of choice for tuners who build high-performance engines, and instant bolt-on horsepower increases are now available to those who install these mufflers. They’re available in two different styles and in 1 3/4" or 2" inlet diameters. Includes a stainless steel header clamp and a set of T-bolts. End caps must be purchased separately. Sold each.