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-76%
H&R Trak+ 30mm DRA Wheel Adaptor Bolt 5/112 Center Bore 66.5 Bolt Thread 14x1.5
-76%
$322.99
$1,323.00
H&R Trak+ Wheel Spacers move your wheels out so they are flush with the fender-instantly giving your vehicle the perfect stance. Whether you want improved handling, increased safety, or simply want your car to make...
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 15-18 Audi A4 L4-2.0 F/I Replacement Drop In Air Filter
$135.99
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...
King Engine Bearings Audi BYT/ CDNC/ CCZD/ CPSA (Size 0.75) Connecting Rod Bearing Set
$266.99
We are bearing specialists. King Engine Bearings was founded in 1960 with one simple objective: to supply the highest quality bearings available in the marketplace. By specializing in engine bearings, King has built an extensive...
King Engine Bearings Audi BYT/CDNC/CCZD/CPSA (Size 0.50) Connecting Rod Bearing Set
$266.99
We are bearing specialists. King Engine Bearings was founded in 1960 with one simple objective: to supply the highest quality bearings available in the marketplace. By specializing in engine bearings, King has built an extensive...
King Engine Bearings Audi BYT/CDNC/CCZD/CPSA Connecting Rod Bearing Set
$266.99
We are bearing specialists. King Engine Bearings was founded in 1960 with one simple objective: to supply the highest quality bearings available in the marketplace. By specializing in engine bearings, King has built an extensive...
King Engine Bearings Audi BYT/CDNC/CCZD/CPSA Connecting Rod Bearing Set
$266.99
We are bearing specialists. King Engine Bearings was founded in 1960 with one simple objective: to supply the highest quality bearings available in the marketplace. By specializing in engine bearings, King has built an extensive...
King Engine Bearings Audi CDaa/CDha/CDhb/CDab (Size +0.25mm) Main Bearing Set
$157.99
We are bearing specialists. King Engine Bearings was founded in 1960 with one simple objective: to supply the highest quality bearings available in the marketplace. By specializing in engine bearings, King has built an extensive...
King Engine Bearings Audi CDaa/CDha/CDhb/CDab (Size +0.50mm) Main Bearing Set
$157.99
MAIN BEARING SET For AUDI CDAA, CDHA, CDHB, CDAB; bimetal (strengthened aluminum)This Part Fits: Year Make Model Submodel 2014 Audi A4 Base 2015-2018 Audi A4 Premium 2015-2018 Audi A4 Premium Plus 2015,2017-2018 Audi A4 Prestige...
King Engine Bearings Audi CDaa/CDha/CDhb/CDab (Size +0.75mm) Main Bearing Set
$157.99
MAIN BEARING SET For AUDI CDAA, CDHA, CDHB, CDAB; bimetal (strengthened aluminum)This Part Fits: Year Make Model Submodel 2014 Audi A4 Base 2015-2018 Audi A4 Premium 2015-2018 Audi A4 Premium Plus 2015,2017-2018 Audi A4 Prestige...
King Engine Bearings Audi CDAA/CDHA/CDHB/CDAB Main Bearing Set (Set of 5) - Size STD
$157.99
We are bearing specialists. King Engine Bearings was founded in 1960 with one simple objective: to supply the highest quality bearings available in the marketplace. By specializing in engine bearings, King has built an extensive...
-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...
-18%
Koni Special Active Shock 16-19 Audi A4 / 16-19 Audi S4 (B9) Rear
-18%
$239.99
$293.83
Koni Special Active Shock 16-19 Audi A4 / 16-19 Audi S4 (B9) RearThis Part Fits: Year Make Model Submodel 2017-2020 Audi A4 Premium 2017-2020 Audi A4 Premium Plus 2017-2020 Audi A4 Prestige 2019 Audi A4...
KW A4 B9 Sedan 2WD 48.5mm H.A.S.
$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 A4 B9 Sedan 2WD 50mm H.A.S.
$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 A4 B9 Sedan 2WD With Electronic Dampers H.A.S.
$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 Audi A4 B9 Sedan 2WD Without EDC 48.5mm Coilover Kit V1
$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 Audi A4 B9 Sedan 2WD Without EDC 50mm Coilover Kit V1
$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 V2 Audi A4 (B9) w/Electronic dampers
$3,587.99
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 2wd w/ Electronic Dampers
$5,344.99
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...