2009 Audi S4 Cabriolet Performance Parts

Only from H&R, Super Sport Springs have all the features of Sport Springs, plus additional lowering-great for the seasoned enthusiast looking for a little more. These high tech progressive springs retain superior ride comfort. The handling of your vehicle will be improved with a...

Only from H&R, OE Sport Springs are for those who desire a slight increase in handling and control. You can expect reduced body roll and superb ride comfort with better driving convenience. OE Sport Springs provide a subtle upgrade for a fine-tuned vehicle.This Part...

Sport 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...

Brembo brake pads reflect the brand?s racing heritage and engineering excellence, delivering the ideal balance of performance, safety, and comfort for every driving style. Designed with carefully selected friction materials, they provide reliable braking across a wide variety of vehicles, from daily commuters to...

Brembo brake pads reflect the brand?s racing heritage and engineering excellence, delivering the ideal balance of performance, safety, and comfort for every driving style. Designed with carefully selected friction materials, they provide reliable braking across a wide variety of vehicles, from daily commuters to...

Bilstein B14 (PSS) suspension kits feature ride height adjustability in an OE quality, direct fit package. These kits offer monotube performance dampers with matched springs that are tuned for each specific application. The zinc coated and threaded body design will give you the flexibility...

Bilstein B8 Performance Plus dampers are a performance upgrade to OE dampers designed to be paired with aftermarket lowering springs. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is...

Bilstein B8 Performance Plus dampers are a performance upgrade to OE dampers designed to be paired with aftermarket lowering springs. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is...

NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug;...

NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker...

NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK's...

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The...

For over 20 years, KW automotive has been the market leader and driving innovation as a manufacturer of individual suspension solutions for the road and in all types of motorsports. No matter where in the world, gearheads, automobile manufacturers and reputable tuners rely on...

H&R street Performance Coil Overs are the perfect suspension' solution for discerning drivers-from daily drivers' to serious tuners-who can appreciate awesome handling and superb ride comfort. Each coil over shock is custom valved to work in conjunction with a precision-engineered progressive rate spring, creating...

Adjust front camber and caster +-1.5deg on the Audi B8 and C7 platforms with these forged aluminum adjustable control arms from SPC. OE style booted ball joints and bonded rubber bushings maintain factory ride, handling and noise, vibration, and harshness (NVH) parameters. Audi's unique...