Na Miata Full Exhaust System at Annie Ettinger blog borla exhaust MX 5 Miata Forum NA Miata Borla Exhaust Start Up & Revs YouTube 1991 Mazda Miata Borla catback exhaust clip 14411 YouTube 3.5" Burnt Tip Muffler Catback Exhaust for 90 97 Mazda Miata MX 5 NA 1. The BORLA 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 BORLA exhaust note has become the quintessentioal soundtrack of high performance motoring. And like all good automotive designs there is function behing the form. As any driving enthusiast knows, the sound of an exhaust provides more than just ear candy. Its a communications conduit between car and driver. A link between human and machine. The exhaust sound provides accoustic feedback of engine rpm to aid the driver in critical decisions such as gear selection or throttle input in rev match shifting. At BORLA, we understand this concept better than any exhaust manufacturer. Combining patented technology with computer modeling, extensive prototyping and advanced sound analysis tools. BORLA engineers spend countless hours tuning exhaust systems to best reflect the personality and performance of vehicle applications. The result is an enhanced driving experience. With unrivaled clarity, the BORLA exhaust note can help a driver stay within the powerband through a difficult section, using the exciting sensory feedback of sound. With unrivaled clarity the Borla exhaust note can help a driver stay within the powerband through a difficult section, using the exciting sensry feedback of sound. This Part Fits: Year Make Model Submodel 1990 1997 Mazda Miata Base 1993 Mazda Miata LE 1994 1997 Mazda Miata M Edition 1991 Mazda Miata SE 1997 Mazda Miata STO