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Audi S4 Performance Parts & Upgrades

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Wheel Spacer & Bolt Kit - 10mm With Ball Seat Bolts

ES#2603073 - 002411ECS02AKT2 - Wheel Spacer & Bolt Kit - 10mm With Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install spacers 10X Entries Into Our F80 M3 Sweepstakes
Fits OE wheels, or wheels that use OE ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2603073
Mfg#:
002411ECS02AKT2
In Stock
ON SALE!
$140.99

This product was last offered at the strikethrough price on
06-13-2026

$133.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Intercooler Upgrade 3.0TFSI B9 S4/S5

ES#4362352 - UH017-ICA - Unitronic Intercooler Upgrade 3.0TFSI B9 S4/S5 - Direct OEM replacement kit featuring an over-sized bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and 79% more volume than OEM! - Unitronic - Audi

Direct OEM replacement kit featuring an over-sized bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and 79% more volume than OEM!

Brand:
Unitronic - Corporate Logo
ES#:
4362352
Mfg#:
UH017-ICA
Ships on Nov 18, 2026
$949.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Metal Extended Slave Cylinder Kit

ES#4508665 - 8k0721257eKT - Adjustable Metal Extended Slave Cylinder Kit - Improve clutch pedal feel and the push clutch to start issue all at once! - Assembled By ECS - Audi

Improve clutch pedal feel and the push clutch to start issue all at once! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4508665
Mfg#:
8K0721257EKT
In Stock
$329.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Wheel Spacer Pair - 10mm

ES#4020172 - 034-604-7006 - 034Motorsport Wheel Spacer Pair - 10mm - Designed to fit most Audi & Volkswagen vehicles with a 66.5mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi

Designed to fit most Audi & Volkswagen vehicles with a 66.5mm center bore and 5x112mm wheel bolt patterns. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4020172
Mfg#:
034-604-7006
In Stock
$98.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 S4/S5 3.0T Enclosed Luft-Technik Intake System - Matte Black Textured Lid

ES#4316395 - 006225LA01 - Audi B8/B8.5 S4/S5 3.0T Enclosed Luft-Technik Intake System - Matte Black Textured Lid - Engineered for increased engine performance with show quality looks - ECS - Audi

Engineered for increased engine performance with show quality looks 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4316395
Mfg#:
006225LA01
In Stock
ON SALE! SAVE 20%
$542.99

This product was last offered at the strikethrough price on
06-13-2026

$434.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber RS4 Y-Pipe

ES#2972858 - 034-108-5000 - Carbon Fiber RS4 Y-Pipe - Features high-quality carbon fiber with perfect fitment and optimal flow - 034Motorsport - Audi

Features high-quality carbon fiber with perfect fitment and optimal flow 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2972858
Mfg#:
034-108-5000
Ships in 1-3 days
$647.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Flush Fit Kit - Black Bolts - Aggressive

ES#3138548 - 003462ECS01KT - Wheel Spacer Flush Fit Kit - Black Bolts - Aggressive - Includes spacers & Black bolts to obtain a flush look on your OE 19" 'Peeler' style wheels - ECS - Audi

Includes spacers & Black bolts to obtain a flush look on your OE 19" 'Peeler' style wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3138548
Mfg#:
003462ECS01KT
In Stock
ON SALE! SAVE 15%
$270.99

This product was last offered at the strikethrough price on
06-13-2026

$230.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Supercharger Dual Pulley Upgrade Kit

ES#3634017 - MS100184 - APR Supercharger Dual Pulley Upgrade Kit - Dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger (Press-On SC Pulley) - APR - Audi Porsche

Dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger (Press-On SC Pulley) Call In Or Chat For Best Price!
Stage II software is required to run any upgraded Pulley configuration and is sold separately - Please se

Brand:
APR - Corporate Logo
ES#:
3634017
Mfg#:
MS100184
Ships on Nov 13, 2026
ON SALE! SAVE 10%
$649.95

This product was last offered at the strikethrough price on
09-28-2026

$584.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Transmission Mount

ES#2952012 - 034-509-4001sd - Street Density Line Transmission Mount - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort 2X Entries Into Our F80 M3 Sweepstakes
Manual transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
2952012
Mfg#:
034-509-4001SD
In Stock
$116.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camber Correcting Density Line Control Arm Kit - Front

ES#4159575 - 034-401-1054 - Camber Correcting Density Line Control Arm Kit - Front - Includes lower control arms, upper adjustable control arms, M14 ball joints and all necessary hardware. - 034Motorsport - Audi

Includes lower control arms, upper adjustable control arms, M14 ball joints and all necessary hardware. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with M14 ball joints

Brand:
034Motorsport - Corporate Logo
ES#:
4159575
Mfg#:
034-401-1054
Ships in 2 Business Days
$1276.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Kohlefaser Luft-Technik Intake System - Red Carbon/Kevlar - Audi B8 S4/S5 3.0T

ES#3648559 - 000931ECS0102KT2 - Kohlefaser Luft-Technik Intake System - Red Carbon/Kevlar - Audi B8 S4/S5 3.0T - Engineered for dyno proven performance and show quality looks! - ECS - Audi

Engineered for dyno proven performance and show quality looks! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3648559
Mfg#:
000931ECS0102KT2
In Stock
ON SALE! SAVE 15%
$830.99

This product was last offered at the strikethrough price on
06-13-2026

$706.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 5mm With Black Conical Seat Bolts

ES#2748279 - 6-ECS-015 - Wheel Spacer & Bolt Kit - 5mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels 10X Entries Into Our F80 M3 Sweepstakes
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748279
Mfg#:
6-ECS-015
Ships on Dec 7, 2026
ON SALE! SAVE 25%
$140.99

This product was last offered at the strikethrough price on
06-13-2026

$105.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Cross Drilled Brake Rotors - Pair (330x22)

ES#4141822 - 4h0615601hdKT - Rear Cross Drilled Brake Rotors - Pair (330x22) - Features an Anti-Corrosion coating "Anti-Z" - Zimmermann - Audi

Features an Anti-Corrosion coating "Anti-Z" We Price Match - Give Us A Call or Chat!

Brand:
Zimmermann - Corporate Logo
ES#:
4141822
Mfg#:
4H0615601HDKT
Ships in 1 Business Day
$337.99

This product was last offered at the strikethrough price on
08-03-2026

$332.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Short Throw Shifter - Audi B6/B7 A4/S4

ES#3023144 - 009198ECS01 - Adjustable Short Throw Shifter - Audi B6/B7 A4/S4 - Find your perfect setting with 3 steps of throw reduction - ECS - Audi

Find your perfect setting with 3 steps of throw reduction 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3023144
Mfg#:
009198ECS01
In Stock
$393.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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