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Brothers Performance offers a wide variety of Mustang exhaust accessories. All of our Mustang exhaust accessories are made from high grade materials to help them last the lifetime of your vehicle. We offer a variety of oxygen sensor extensions for use with long tube headers, O2 sensor bungs, Mustang flow tubes and electric cutouts for all of your custom exhaust system needs. We also offer the unique BBK off-road catalytic converter replacement pipes for the 2011+ Mustang GT.