Take the restriction out of your exhaust system. Off-road / on-track X-pipe kits are direct bolt-on kits that replace you restrictive catalytic converters. Made from 2.5'' OD aluminized mandrel bent steel. Kits are designed for off-road applications only and may require oxygen sensor simulators on 1996 and newer vehicles.
Complete your exhaust system when using an X-pipe combined with one of Dynomax's Mustang Exhaust Systems.