Audi A4 - S4 - RS4

Audi A4 - S4 - RS4

Looking to replace your warn out, almost 20 year old radiator or need to step up the cooling on your high horsepower build? Look no further than the high quality, all aluminum radiator from CSF. We have installed these on...
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Upgrade the stock K03 turbos on your Audi 2.7T with genuine Borg Warner RS4 K04 turbochargers. This is for a pair(Right & Left). These will produce an overboost condition if not properly tuned. We have have sold, built and tuned...
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Don't sacrifice quality while rebuilding the K04 turbochargers on your Audi 2.7T. These are genuine Borg Warner K04 center sections. We have made 400+whp on these turbochargers and seen them last over 100k miles without developing shaft play. *Not all...
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B8 Audi 3" stainless cat delete racing only upper downpipe. High flow for stock location turbo use. Deletes restrictive factory cat right out of the turbo. Fits stock K03 turbo on 2.0T FSI FWD and Quattro longitudinal engine on Audi...
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The KW Variant 1 Coil over System is the ideal system for customers wishing to rely on the experience of our engineers for dampening yet determine their own degree of lowering. In extensive driving tests our engineers have set the...
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The KW Variant 1 Coil over System is the ideal system for customers wishing to rely on the experience of our engineers for dampening yet determine their own degree of lowering. In extensive driving tests our engineers have set the...
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The new KW Variant 3 Coil over System is state-of-the-art technology for the skilled and experienced driver. The separate and independent compression and rebound damping options allow a truly individual driving set-up. These unique systems with the 3 individually adjustable...
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The new KW Variant 3 Coil over System is state-of-the-art technology for the skilled and experienced driver. The separate and independent compression and rebound damping options allow a truly individual driving set-up. These unique systems with the 3 individually adjustable...
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The KW Variant 2 Coil over System is intended for the experienced driver who requires to not only determine the individual lowering of their vehicle, but adjust the damper setting to fine tune the system to their needs. The adjustable...
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The KW Variant 2 Coil over System is intended for the experienced driver who requires to not only determine the individual lowering of their vehicle, but adjust the damper setting to fine tune the system to their needs. The adjustable...
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The new KW Variant 3 Coilover System is state-of-the-art technology for the skilled and experienced driver. The separate and independent compression and rebound damping options allow a truly individual driving set-up. These unique systems with the 3 individually adjustable components,...
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The new KW Variant 3 Coilover System is state-of-the-art technology for the skilled and experienced driver. The separate and independent compression and rebound damping options allow a truly individual driving set-up. These unique systems with the 3 individually adjustable components,...
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The KW Variant 2 Coilover System is intended for the experienced driver who requires to not only determine the individual lowering of their vehicle, but adjust the damper setting to fine tune the system to their needs. The adjustable rebound...
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The KW Variant 2 Coilover System is intended for the experienced driver who requires to not only determine the individual lowering of their vehicle, but adjust the damper setting to fine tune the system to their needs. The adjustable rebound...
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The KW Variant 1 Coilover System is the ideal system for customers wishing to rely on the experience of our engineers for dampening yet determine their own degree of lowering. In extensive driving tests our engineers have set the dampers...
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The KW Variant 1 Coilover System is the ideal system for customers wishing to rely on the experience of our engineers for dampening yet determine their own degree of lowering. In extensive driving tests our engineers have set the dampers...
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The new KW Variant 3 Coilover System is state-of-the-art technology for the skilled and experienced driver. The separate and independent compression and rebound damping options allow a truly individual driving set-up. These unique systems with the 3 individually adjustable components,...
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The KW Variant 1 Coilover System is the ideal system for customers wishing to rely on the experience of our engineers for dampening yet determine their own degree of lowering. In extensive driving tests our engineers have set the dampers...
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Downpipe installation tip: Installing downpipes on these cars is arduous given the placement of the factory bolts. It is so much trouble that AWE made an tool to make it easier. If you're planning an install, our Downpipe Removal Tool...
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The ColdFront™ Coolant Pump The AWE Tuning ® ColdFront™ Coolant Pump is the final member of the ColdFront™ family. Manufactured by the cooling-system wizards at Meziere Enterprises, who have nearly three decades worth of experience in engineering and manufacturing performance...
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About AWE downpipes We offer our Resonated and Non-Resonated Downpipes. Our Resonated Downpipes feature resonators larger than the stock units in order to produce a more mellow sound volume.  Our Non-Resonated Downpipes are suited for owners seeking the loudest we...
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