Pacesetter Performance Y Pipes improve exhaust flow, resulting in increased horsepower and torque, eliminating a bottleneck in the exhaust system. Made in the USA! This item is used in conjunction with the Pacesetter Long Tube Headers (part 70-2235 70-2237 and 70-2239). If you are not using Pacesetter Long Tube Headers, this part will not fit. The part number for this item is 82-1153 and it fits Chevy 1993-1997 Camaro / Firebird LT 1 engine models with Pacesetter (part 70-2235 70-2237 and 70-2239) LONG TUBE Headers.