aFe Sprint Booster V3 Power Converter Chevrolet Blazer 19-21 V6-3.6L - 77-14011 fits_2007-2012`Mazda`CX-7 FRONT REAR SPRING RATES 7k

FRONT REAR SPRING RATES 7k 4k UPPER MOUNT Pillowball w/ Camber Plates Aluminum w/ Hardened Rubber Bushings

100 Percent Carbon Fiber Construction

(p/n 450-502002-G) Both the stem and bolt threads are pre-coated with Vibra-tite threadlocker

Dyno-tested and engineered for reliability

aFe Sprint Booster V3 Power Converter Chevrolet Blazer 19-21 V6-3.6L - 77-14011 fits_2007-2012`Mazda`CX-7 FRONT REAR SPRING RATES 7kAutomobiles in the 21st century have replaced the more conventional throttle cable technology for an ECM (Electronic Control Module) that translates pedal travel into electronic signals in order to provide power to the wheels. The ETC system (Electronic Throttle Control), also known as drive by wire, has the unfortunate downside of delayed throttle response and subdued acceleration, creating problems in certain circumstances such as up hill starts,