Exhaust PipeOff Road X-PipeOff Road X-Pipe; 2-1/2 in. Dia.; For Use w/Long Tube Headers;SPECIFICATIONS:Tube Diameter: 2.500 in.FEATURES:Cross-Over Pipes Deliver More Power And More Powerful SoundMandrel-Bent 16 Gauge Aluminized TubingHelps Exhaust Pulses Scavenge Each Cylinder96-04 Mustang Gt/Cobra 4.6L. Use w/70-3229/70-3230 HeadersOff Road Use OnlyMade In The USACross-over pipes deliver more power and a more powerful sound from your Mustang 5.0L or 4.6L. Cross-over design helps exhaust pulses scavenge each cylinder. Pacesetter Cross-Over Off-Road pipes are mandrel- bent from 2-1/2-diameter, 16-gauge aluminized tubing. Each fits 5-speed and automatic transmission applications.PaceSetter has been designing and manufacturing quality Performance Headers, Exhaust Systems and Components for more than 39 years. We are constantly working on developing new applications and products to add to our already extensive line of products.