H&R 00-03 Audi S4 (AWD) Sport Spring - 50377 fits_2008-2014`Infiniti`G37 and M4 were designed with

and M4 were designed with efficiency in mind

True Coilover kits equipped with 10k R spring rate

Vehicles equipped with Magnetic Ride Control (MRC) may have a light illuminate on instrument cluster if a "Mag Ride Delete Kit" is not installed

3Lbs Weight Savings

1995-1997 Ford Aerostar 4

H&R 00-03 Audi S4 (AWD) Sport Spring - 50377 fits_2008-2014`Infiniti`G37 and M4 were designed withSport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicle's