RacingLine Stud and Nut Conversion Kit

Remove and install your wheels at the track all the time? Then you’ll know how frustrating the factory wheel bolts can be. Lining up the bolt holes, bashing the wheel against your beautiful brakes calipers, then cross-threading the bolts at...

H&R Sport Springs for B9 A5 & S5

Every spring produced by H&R comes from the H&R ISO 9001 certified engineering and manufacturing facility in Germany. All H&R springs are produced from a special 54SiCr6 spring steel, which has strength rated at 290,000 psi resulting in...

H&R Sport Springs for B9 A4 & S4

Every spring produced by H&R comes from the H&R ISO 9001 certified engineering and manufacturing facility in Germany. All H&R springs are produced from a special 54SiCr6 spring steel, which has strength rated at 290,000 psi resulting in...

Eibach Pro-Kit Lowering Springs for B9 A4 Quattro

*Will not fit FWD models - Quattro ONLY* Lowers 1.2" Front and 1.2" Rear High Performance Handling and Aggressive Good Looks. Lower Center of Gravity. Stop Quicker, Corner Faster and get Better MPG! Progressive Spring Design for Excellent Ride Quality...

Eibach Sportline Lowering Springs for B9 A4 Quattro

*Will not fit FWD models - Quattro ONLY* Lowers 1.8" Front and 1.6" Rear Extreme Performance Meets Extreme Style. Race-Car Like Handling. Lower Center of Gravity. Stop Quicker, Corner Faster and get Better MPG! Million-Mile Warranty

H&R Street Performance Coilovers for Most B9 A4/S4 & A5/S5

*Fits vehicles with 48.5mm Front Struts ONLY (Build date from to 7/11/16 to current)* *Vehicles with EDC (Electronic Dampening Control) will lose functionality and have warning lights* H&R coil overs are engineered for street use. Unlike traditional...

H&R Street Performance Coilovers for Early B9 A4/S4 & A5/S5

*Fits vehicles with 53mm Front Struts ONLY (Build date up to 7/11/16)* *Vehicles with EDC (Electronic Dampening Control) will lose functionality and have warning lights* H&R coil overs are engineered for street use. Unlike traditional twin-tube shock...

Bilstein B16 PSS10 Coilovers for Early B9 A4/S4 & A5/S5

*Fits vehicles with 53mm Front Struts ONLY (Build date up to 7/11/16)* *Vehicles with EDC (Electronic Dampening Control) will lose functionality and have warning lights* The engineers at BILSTEIN have created the ultimate race inspired...