All BBK 86-93 Mustang GT, LX and Cobra direct replacement H-pipes feature 2.5” diameter CNC mandrel bent aluminized tubing with two high flow catalytic converters to ensure maximum flow, horsepower, and streetability.

OEM- original O2 Sensor locations and factory style die-stamped flanges ensure a perfect fit and BBK In-house dyno-testing has shown solid gains of 12-20 horsepower depending on application.

ALL BBK full length H pipes are designed as direct bolt on to factory headers or any aftermarket shorty headers as well as of course BBK shorty headers.

Each BBK H pipe offers performance, quality and value that guarantees years of top performance for your Ford Mustang.

*Please note:
BBK or Any of its Distributors - CANNOT SELL THIS PART TO ANY END USER WITHIN CALIFORNIA. THIS PART CANNOT BE SOLD OR INSTALLED ON ANY POLLUTION CONTROLLED VEHICLES IN CALIFORNIA. THE CONVERTERS ON THESE PIPES ARE 49 STATE LEGAL - BUT NOT LEGAL IN CALIFORNIA AS OF JAN 1st 2010 ***NOT LEGAL FOR USE IN CA***