ECE approved systems are those that comply with Economic Commission for Europe (according to ECE-R59) rules for motor vehicles, vehicle systems and components. EXCEPT convertible. has Active Valve Exhaust valves. Resonator contains a H-Pipe for increased performance and improved sound. BORLA? Cat-Back? & Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA? Sound of Power respected by motoring enthusiasts everywhere. This system comes with black chrome on T-304 stainless steel tips. Using BORLA? Stainless Steel Polish p# 21461 is NOT recommended with these black chrome tips. We suggest cleaning the tips with hot water and a microfiber cloth.
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This Part Fits:

Year	Make	Model	Submodel
2019-2020	Ford	Mustang	Bullitt
2018-2020	Ford	Mustang	GT
2018-2020	Ford	Mustang	GT Premium