BBK Performance mid X pipes are specifically designed to be used with BBK full length headers to complete installation to cat back exhaust system.
All BBK mid X-pipes feature BBK's exclusive die stamped Extracter X center section and 2.5” diameter CNC mandrel bent aluminized tubing with two high flow catalytic converters to ensure maximum flow, horsepower, and streetability.
Each BBK mid X pipe offers performance, quality and value that guarantees years of top performance for your Ford Mustang.
Part Number 1637 is made from 2-3/4" Tubing for built engines and high performance applications
NOT FOR SALE IN CALIFORNIA