Tein Flex Z Coilover Suspension Kit - Civic EM1 Exhaust Manifold Spring preload adjuster

Spring preload adjuster

stepping on the accelerator pedal will result in a dry sporty exhaust sound

with limited street use only when necessary

which has many benefits and virtually no downside

A total of 6 would be required to totally renew the car

Tein Flex Z Coilover Suspension Kit - Civic EM1 Exhaust Manifold Spring preload adjusterTein's flagship coilover, the Flex Z includes all the features you'd want on a suspension kit. 16 level damping adjustment, full ride height control and replacement top mounts make Flex Z the complete package. Highly durable, each Flex Z kit features thorough rust proofing and is made of high strength, highly durable steel for added peace of mind.