This Varitune Cat-Back Exhaust Kit has 4.0" straight brushed stainless steel tips and are now available for the popular 1986-2004 Ford Mustang (exc IRS) These BBK Varitune complete Mustang cat back exhaust systems offer something no other cat back kit can do. You can tune it to sound and perform how you want it to.
These new BBK Varitune cat back exhaust kits offer full tune ability using our patented adjustable varitune power valve. That's right these systems come complete with two of our patented tunable Varitune performance mufflers to adjust sound and airflow so you can decide how loud or quiet you want your car to sound.
All kits are engineered and built with the 2-3/4" CNC mandrel bent aluminized tubing for unrestrictive exhaust flow and all kits are direct fit and include all hardware required for a true bolt on installation.
Each Mustang cat back exhaust kit has been designed and built here in the USA and includes BBK patented adjustable Varitune performance mufflers.
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