2015 Audi S4 Prestige Performance Parts

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...

Cutting-edge motorsports technology for more performance on the road. Like every suspension product developed by KW automotive, the suspension manufacturer, and manufactured in Germany, the KW V3 Coilover suspension kit also provides a significant plus in safety reserves in road traffic. Thanks to the...

The KW V1 INOX-LINE coilover kit is our entry point into our street performance lineup. The high-quality INOX-LINE stainless steel coilover struts, corrosion resistant springs, bumps stops and dampers that are optimally tuned by our engineers the result is a balanced and sporty feel...

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...

Bilstein B16 (PSS10) suspension kits feature ride height adjustability with 10-stage manually adjustable dampers in an OE quality, direct fit package. The 10-stage damping system adjusts both rebound and compression with each click to provide the best handling performance in any condition. These kits...

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...

Bilstein B6 Performance dampers are a performance upgrade to OE dampers designed to be paired with the OE factory spring. 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 B6 Performance dampers are a performance upgrade to OE dampers designed to be paired with the OE factory spring. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is...

MSS is an award-winning adjustable modular suspension solution which has been developed and engineered for safety, comfort, and performance. They come with a lifetime warranty. The relatively low initial spring rate absorbs small bumps in the road, thereby increasing grip. It then transitions to...

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...

The Precision Raceworks Replacement Air Filters are a perfect choice when looking to replace your dirty or damaged PR inlet filters.  -Filters Can be washed, cleaned and re used as needed. For more product details see the specifications tab

Universal spark plug gap tool for your 12mm or 14mm spark plugs. A must for installing any spark plugs!

The Precision Raceworks Multiport Injection (MPI) kit with flex fuel compatibility is a necessity to safely and sufficiently support the power levels of anyone needing additional fueling. This kit is capable of providing supplemental fueling to all 2009-2017 3.0 TFSI Audi's (see fitment guide for full...

The Precision Raceworks Ethanol 360™ fuel line fittings are designed to work in almost any application where you have 5/16" or 7.89mm quick connect fittings and need to add a flex fuel sensor. These fittings work with most all ethanol sensors without the need...