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 70-2213). If you are not using Pacesetter Long Tube Headers, this part will not fit. The part number for this item is 82-1183 and it fits 1994-2001 Dodge Ram 1500 5.2 and 5.9 models with Pacesetter 70-2213 LONG TUBE Headers.