Sprint Booster V3 Throttle Enhancer Audi A4/S4/RS4 (2009-2016) Infiniti This exhaust comes with Borla's

This exhaust comes with Borla's 1

Rear end links utilize innovative polyurethane spacers

Safety: SFI Certified

K&N backs their filters with a lifetime warranty

Sprint Booster V3 Throttle Enhancer Audi A4/S4/RS4 (2009-2016) Infiniti This exhaust comes with Borla'sWhat can a Sprint Booster do for me? Most 2000 up model cars no longer use the conventional throttle cable and have replaced it with an ECM (Electronic Control Module) designed to translate how hard the pedal is pushed into an electronic instruction to provide power to the wheels. The ETC (Electronic Throttle Control), otherwise known as "Drive By Wire", causes a delayed response and subdues acceleration, creating problems in situations such as quick