Eibach ERS 64mm ID 102mm Length Coilover Linear Main Spring - 0400.250.0700 fits_2004-2008`Pontiac`Grand`Prix CORSA's Reflective Sound Cancellation® (RSC)

CORSA's Reflective Sound Cancellation® (RSC) Technology allows acoustic engineers to create a drone free exhaust sound

Each unit is finished with a high-gloss UV-resistant clear coat that protects against yellowing fading flaking and environmental wear—ensuring the carbon weave retains its deep luster over time

Absorbs Sound and Cuts Road Noise by up to 50%

Refine the rear-end presence of your BMW F33 4-Series or F83 M4 Convertible with the AutoTecknic Carbon Performante Trunk Spoiler

Eibach ERS 64mm ID 102mm Length Coilover Linear Main Spring - 0400.250.0700 fits_2004-2008`Pontiac`Grand`Prix CORSA's Reflective Sound Cancellation® (RSC)Renowned for our extensive catalog of over 1,500 precision engineered race springs. Eibach race springs offer unparalled customization and performance optimization across a wide spectrum of racing applications. From shocks to pull bars we offer a wide range of springs solutions to fine tune the handling dynamics of your race car. Individual Motorsport Spring Features & Benefits Eibach Coilover Springs Available in a Full Range of Rates and Sizes