Borla Atak Cat Back 15-17 Ford Mustang 2.3L EcoBoost MT/AT 2.25in pipe 4in tipBorla Atak Cat Back 15 17 Ford Mustang 2. 3L EcoBoost MT AT 2. 25in pipe 4in tip The BORLAA*A? sound of power. Its been described as asonic shot of adrenaline. An intoxicating concert ofsteel, gears and combustion that echoes from thespeedways, deserts and highways of the world. The sound of more victory laps than any otherbrand, the BORLAA*A? exhaust note has become the quintessentioal soundtrack of high performance motoring. And like all good