The Magnaflow Competition Series Cat-Back Exhaust System 2.5in is made from top-notch 100% stainless steel tubing. Increases in horsepower and torque are virtually guaranteed thanks to special Dyno testing. The sound is awesome - a smooth and deep tone. The single exit position is listed as straight passenger side rear exit. Totally built to last and completely welding together, this exhaust system is backed by a lifetime warranty. The Mandrel-Bent system is very easy to install.