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BBK high-flow X-pipe for 1999–2004 Ford Mustang GT (4.6L 2V) and Cobra (4.6L 4V) replaces the restrictive factory pipe with 2.5" mandrel-bent 16-gauge tubing and a unique center X for improved exhaust extraction. This full catted assembly includes high-flow catalytic converters, retains factory O2 sensor placement, and bolts on to shorty headers or compatible aftermarket headers. Check local emissions laws.
BBK 99-04 Mustang 4.6 GT / Cobra High Flow X Pipe With Catalytic Converters - 2-1/2
