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Audi S4

Shop Audi S4 aftermarket upgrades, from suspension, carbon fiber and FRP aero, wings, bumpers and other, to exhaust systems and custom-made aftermarket forged wheels
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Eventuri Black Carbon Intake System for B9 Audi S4 & S5 [EVE-B9S5-CF-INT]
$1,550.00

Eventuri Black Carbon Intake System for B9 Audi S4 & S5 [EVE-B9S5-CF-INT]

Valvetronic Designs Valved Sport Exhaust System for B9 Audi S4 / S5 [AUD.B9.S4.VSES.BR.RC]
Original price was: $2,999.00.Current price is: $2,499.00.

Valvetronic Designs Valved Sport Exhaust System for B9 Audi S4 / S5 [AUD.B9.S4.VSES.BR.RC]

Valvetronic Designs Valved Sport Exhaust System for B8 & B8.5 Audi S4 / S5 [AUD.B8.S4.VSES.AG.RC/AUD.B8.S4.VSES.BR.RC]
Price range: $1,999.00 through $2,499.00

Valvetronic Designs Valved Sport Exhaust System for B8 & B8.5 Audi S4 / S5 [AUD.B8.S4.VSES.AG.RC/AUD.B8.S4.VSES.BR.RC]

Fi EXHAUST Valvetronic Exhaust System for B9 Audi S4 & S5
$3,750.00

Fi EXHAUST Valvetronic Exhaust System for B9 Audi S4 & S5

VF Engineering Performance ECU Software for B9 Audi S4 / S5 and FY SQ5 [VFP.AUD.B9S.ST1]
$1,295.00

VF Engineering Performance ECU Software for B9 Audi S4 / S5 and FY SQ5 [VFP.AUD.B9S.ST1]

VF Engineering Competition Package for B9 Audi S4 / S5 and SQ5 [VFC.AUD.B9S.NAE]
$1,495.00

VF Engineering Competition Package for B9 Audi S4 / S5 and SQ5 [VFC.AUD.B9S.NAE]

VF Engineering VF500 Supercharger System for B7 Audi S4 [VFK80-11]
$8,495.00

VF Engineering VF500 Supercharger System for B7 Audi S4 [VFK80-11]

VF Engineering VF500 Supercharger System for B6 Audi S4 [VFK80-01]
$8,495.00

VF Engineering VF500 Supercharger System for B6 Audi S4 [VFK80-01]

Milltek Active Valve Controller for B9 Audi S4 / S5 and FY Audi SQ5
$757.00

Milltek Active Valve Controller for B9 Audi S4 / S5 and FY Audi SQ5

Milltek HJS Tuning ECE Downpipes for B9 Audi S4
$4,901.00

Milltek HJS Tuning ECE Downpipes for B9 Audi S4

Milltek Large Bore Downpipe with Hi-Flow Sports Pipe for B9 Audi S4 / S5 and C8 Audi A6 / A7
$3,154.00

Milltek Large Bore Downpipe with Hi-Flow Sports Pipe for B9 Audi S4 / S5 and C8 Audi A6 / A7

Milltek Valved & Resonated Catback Exhaust System w/ EC Approval for B9 Audi S4 and S5 Sportback (non-sport diff)
Price range: $3,507.00 through $4,355.00

Milltek Valved & Resonated Catback Exhaust System w/ EC Approval for B9 Audi S4 and S5 Sportback (non-sport diff)

Milltek Valved & Non-Resonated Catback Exhaust System for B9 Audi S4 / S5 Sportback (non-sport diff)
Price range: $3,278.00 through $4,126.00

Milltek Valved & Non-Resonated Catback Exhaust System for B9 Audi S4 / S5 Sportback (non-sport diff)

Milltek Resonated Catback Exhaust System for B8.5 Audi S4 / S5 Sportback
Price range: $3,058.00 through $3,296.00

Milltek Resonated Catback Exhaust System for B8.5 Audi S4 / S5 Sportback

Milltek Valved & Resonated Catback Exhaust System for B8.5 Audi S4 / S5
Price range: $4,169.00 through $4,581.00

Milltek Valved & Resonated Catback Exhaust System for B8.5 Audi S4 / S5

Milltek Resonated Race Catback Exhaust System for B8.5 Audi S4 / S5 Sportback
Price range: $2,746.00 through $2,984.00

Milltek Resonated Race Catback Exhaust System for B8.5 Audi S4 / S5 Sportback

Milltek Valved & Resonated Catback Exhaust System w/ Cerakote Black Tips for B8 Audi S4 and S5 Cabriolet
$4,807.00

Milltek Valved & Resonated Catback Exhaust System w/ Cerakote Black Tips for B8 Audi S4 and S5 Cabriolet

Milltek Resonated Race Catback Exhaust System w/ Cerakote Black Tips for B8 Audi S4 & S5 Sportback
$2,942.00

Milltek Resonated Race Catback Exhaust System w/ Cerakote Black Tips for B8 Audi S4 & S5 Sportback

Milltek Resonated Catback Exhaust System w/ EC Approval for B8 Audi S4 & S5 Sportback
Price range: $2,902.00 through $3,254.00

Milltek Resonated Catback Exhaust System w/ EC Approval for B8 Audi S4 & S5 Sportback

Capristo Valved Exhaust System with Mid-Pipes for B8 Audi S4 / S5
$6,500.00

Capristo Valved Exhaust System with Mid-Pipes for B8 Audi S4 / S5

Capristo Race Pipes for B8 Audi S4 / S5
$1,200.00

Capristo Race Pipes for B8 Audi S4 / S5

Capristo Front Pipes for B8 Audi S4 / S5
$1,750.00

Capristo Front Pipes for B8 Audi S4 / S5

Capristo Valved Exhaust System with Mid-Pipes and Carbon Tips for B9 & F5 Audi S4 / S5
$7,100.00

Capristo Valved Exhaust System with Mid-Pipes and Carbon Tips for B9 & F5 Audi S4 / S5

APR Performance Carbon Fiber GT-250 67″ Adjustable Wing for B8 Audi S4
Original price was: $2,428.00.Current price is: $2,428.00. $2,063.80

APR Performance Carbon Fiber GT-250 67″ Adjustable Wing for B8 Audi S4

APR Performance Carbon Fiber GTC-300 67″ Adjustable Wing for B8 Audi S4
Original price was: $2,129.00.Current price is: $2,129.00. $1,809.65

APR Performance Carbon Fiber GTC-300 67″ Adjustable Wing for B8 Audi S4

Aragosta 12K/10K Type S Suspension Kit w/ Pillowball & Rubber Upper Mounts for B5 Audi S4 Quattro
$3,690.99

Aragosta 12K/10K Type S Suspension Kit w/ Pillowball & Rubber Upper Mounts for B5 Audi S4 Quattro

Aragosta 12K/8K Type S Suspension Kit for B6 & B7 Audi S4
$4,111.99

Aragosta 12K/8K Type S Suspension Kit for B6 & B7 Audi S4

2017 – 2020 Audi A4, S4, A5, S5 (B9) FWD/Quattro – Öhlins DFV Road & Track suspension Upgrade [AUS MU00S1]
$2,990.00

2017 – 2020 Audi A4, S4, A5, S5 (B9) FWD/Quattro – Öhlins DFV Road & Track suspension Upgrade [AUS MU00S1]

2008 – 2016 Audi A4, S4, A5, S5 (B8) FWD/Quattro – Öhlins DFV Road & Track suspension Upgrade [AUS MS00S1]
$2,990.00

2008 – 2016 Audi A4, S4, A5, S5 (B8) FWD/Quattro – Öhlins DFV Road & Track suspension Upgrade [AUS MS00S1]

Rowen Premium 01S Exhaust +70mm Slide for 2008-16 Audi A4/S4 Avant [B8] 1A001Z02
$3,375.00

Rowen Premium 01S Exhaust +70mm Slide for 2008-16 Audi A4/S4 Avant [B8] 1A001Z02

Rowen LED Back Fog Lamp for 2008-16 Audi A4/S4 Avant [B8] 6L0001
$770.00

Rowen LED Back Fog Lamp for 2008-16 Audi A4/S4 Avant [B8] 6L0001

Rowen FRP Rear Under Diffuser for 2008-16 Audi A4/S4 Avant [B8] 1A001P20
$945.00

Rowen FRP Rear Under Diffuser for 2008-16 Audi A4/S4 Avant [B8] 1A001P20

Rowen Carbon Rear Under Diffuser for 2008-16 Audi A4/S4 Avant [B8] 1A001P30
$1,060.00

Rowen Carbon Rear Under Diffuser for 2008-16 Audi A4/S4 Avant [B8] 1A001P30

Rowen FRP Front Spoiler (FRP) for 2008-16 Audi A4/S4 Avant [B8] 1A001A20
$1,050.00

Rowen FRP Front Spoiler (FRP) for 2008-16 Audi A4/S4 Avant [B8] 1A001A20

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