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GFB Diverter Valve DV+ Volkswagen TSI/TFSI w/Pierburg Diverter Valve
$353.99
Like all valves in the DV+ family, the T9381 offers significant benefits over factory-fitted electronic diverter valves – sharper throttle response, faster boost recovery on gearshift or brief throttle lifts, improved boost holding, and unrivalled...
GFB VTA Blow Off Valve Early VW/Audi TSI/TFSI Engines w/Pierburg Diverter Valve
$375.99
By combining atmosphere venting with the proven performance benefits of our ground-breaking DV+, the VTA delivers an aggressive blow-off sound, improved throttle response, as well as superior boost holding and reliability. The integrated low-profile solenoid...
Injen 17-19 Audi A4 2.0T Black Cold Air Intake
$442.99
Is your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes from Injen Technology will allow your engine...
Injen 17-19 Audi A4 2.0T Polished Cold Air Intake
$442.99
Is your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes from Injen Technology will allow your engine...
Injen 17-19 Audi A4 2.0T Wrinkle Red Short Ram Air Intake
$442.99
Is your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes from Injen Technology will allow your engine...
K&N 15-18 Audi A4 L4-1.4L 18-20 A5/RS5 2021 Q5 F/I Drop In Replacement Air Filter
$111.99
K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter...
K&N Performance Oil Filter for 2019 Audi A3 2.0L
$41.99
K&N Cartridge Oil Filters are designed to satisfy the needs of racers and engine builders as well as the average vehicle owner who wants the best oil filter available. K&N cartridge oil filters trap harmful...
-17%
Koni 16-19 Audi A4 / 16-19 Audi S4 Special Active Front Shock w/ 49mm Clamp
-17%
$311.99
$374.59
Koni 16-19 Audi A4 / 16-19 Audi S4 Special Active Front Shock w/ 49mm ClampThis Part Fits: Year Make Model Submodel 2017-2020 Audi A4 Premium 2017-2020 Audi A4 Premium Plus 2017-2020 Audi A4 Prestige 2019...
KW Coilover Kit V1 2017+ Audi A4 (B9) Sedan / A5 Coupe Quattro w/ Electronic Dampening
$3,588.99
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...
KW Coilover Kit V1 2017+ Audi A4 (B9) Sedan / A5 Coupe Quattro w/o Electronic Dampening (48.5mm)
$3,145.99
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...
KW Coilover Kit V1 2017+ Audi A4 (B9) Sedan / A5 Coupe Quattro w/o Electronic Dampening (50mm)
$3,145.99
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...
KW Coilover Kit V3 2017+ Audi A4 (B9) Sedan w/ Electronic Dampers
$5,345.99
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...
KW Coilover Kit V3 2017+ Audi A4 (B9) Sedan w/o Electronic Dampers
$4,891.99
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...
KW Coilover Kit V3 2017+ Audi A4 (B9) Sedan w/o Electronic Dampers (48.5mm)
$4,916.99
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...
KW Coilover Kit V3 2018+ Audi A5 (B9) Cabrio Quattro w/ Electronic Dampening (48.5mm)
$5,343.99
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...
KW Coilover Kit V3 2018+ Audi A5 (B9) Cabrio Quattro w/ Electronic Dampening (50mm)
$5,343.99
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...
KW Coilover Kit V3 2018+ Audi A5 (B9) Cabrio Quattro w/o Electronic Dampening (48.5mm)
$4,891.99
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...
KW Coilover Kit V3 2018+ Audi A5 (B9) Cabrio Quattro w/o Electronic Dampening (50mm)
$4,891.99
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...
KW Electronic Damping Cancellation Kit 17-18 Audi S5 AWD
$701.99
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...
KW H.A.S. 18+ Audi S4 (B9) Sedan w/o EDC - 50mm
$1,794.99
KW (H.A.S) Height Adjustable Spring kits are a great alternative to conventional lowering springs. You are no longer stuck with a fixed lowering height. KW H.A.S. systems allow you to adjust the vehicle ride height...
KW H.A.S. 2017+ Audi A4 Quattro / 2018+ Audi A5 Quattro/S5 (B9) AWD w/o Electronic Dampers (48.5mm)
$1,794.99
KW (H.A.S) Height Adjustable Spring kits are a great alternative to conventional lowering springs. You are no longer stuck with a fixed lowering height. KW H.A.S. systems allow you to adjust the vehicle ride height...
KW H.A.S. 2017+ Audi A4/S4 B9 w/ EDC
$1,794.99
KW (H.A.S) Height Adjustable Spring kits are a great alternative to conventional lowering springs. You are no longer stuck with a fixed lowering height. KW H.A.S. systems allow you to adjust the vehicle ride height...
KW H.A.S. 2017+ Audi A4/S4 Quattro (B9) AWD w/o Electronic Dampers (50mm)
$1,794.99
KW (H.A.S) Height Adjustable Spring kits are a great alternative to conventional lowering springs. You are no longer stuck with a fixed lowering height. KW H.A.S. systems allow you to adjust the vehicle ride height...
KW H.A.S. 2017+ Audi A5/S5 (B9) Coupe w/ EDC
$1,794.99
KW (H.A.S) Height Adjustable Spring kits are a great alternative to conventional lowering springs. You are no longer stuck with a fixed lowering height. KW H.A.S. systems allow you to adjust the vehicle ride height...