This Flowmaster mid-pipe system is a great way to increase the sound level and performance of your Pony. ThisY-pipe assemby uses Flowmaster's exclusive D-port technology and can be used with either the factory rear mufflers or with Flowmaster Axle-back exhaust systems. Constructed with mandrel-bent 2.50 in. stainless steel tubing flowing into a Scavenger Series Y-collector, then splitting into dual 2.25 in. mandrel-bent stainless steel tubing to connect to the axle back muffler assembly. Installs in place of the heavy factory resonator, saving weight. Includes all parts, necessary hardware and easy to follow instructions for installation. Covered by Flowmaster's Lifetime Limited Warranty.