Our S9 Performance H pipe is engineered to provide maximized performance and excellent sound quality. Its carefully-crafted H intersection point optimizes exhaust scavenging, equalizing exhaust pulses for improved Mustang running efficiency with maximum power potential. Australian-crafted for optimal power, torque, and fuel economy, this Performance H Pipe yields a louder, sportier exhaust growl. A cinch to fit - just cut and clamp - with a 10 year stainless steel guarantee. Black Powder Coated to add greater protection from the elements.