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Audi S4 Performance Parts & Upgrades

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EMD Wheel Spacers - 20mm (Pair)

ES#4042998 - EMD-SPACER-20571 - EMD Wheel Spacers - 20mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi - Emmanuele Design - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi

Brand:
Emmanuele Design - Corporate Logo
ES#:
4042998
Mfg#:
EMD-SPACER-20571
Ships in 1 Business Day
$70.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Downpipe Flange For RS6 or RS6-R Turbos - Pair (Bolt On)

ES#4046113 - RS6UDPFBO - Downpipe Flange For RS6 or RS6-R Turbos - Pair (Bolt On) - This is a universal flange that will allow you to run RS6 style turbos (with OEM RS6 turbine bolt patterns) on your current K03-K04 flanged downpipes. Just bolt these flanges to the back of your turbos! - JH Motorsports - Audi

This is a universal flange that will allow you to run RS6 style turbos (with OEM RS6 turbine bolt patterns) on your current K03-K04 flanged downpipes. Just bolt these flanges to the back of your turbos!

Brand:
JH Motorsports - Corporate Logo
ES#:
4046113
Mfg#:
RS6UDPFBO
Ships in 10 Business Days
$140.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rennline 3-Piece Pedal Set - Manual Transmission - Silver

Silver anodized aircraft aluminum gas, brake, and clutch pedal set with rubber grips and stainless steel hardware

Brand:
Rennline - Corporate Logo
ES#:
2840405
Mfg#:
P7460SILVER
Ships in 6 Business Days
$140.00 USD
Free Shipping
on orders $49 and up

Front Upper Control Arm Bushing Set - Inner

ES#3045165 - SPF3126K - Front Upper Control Arm Bushing Set - Inner - Upgrade to a more engaging driving experience - SuperPro - Audi Volkswagen

Upgrade to a more engaging driving experience

Brand:
SuperPro - Corporate Logo
ES#:
3045165
Mfg#:
SPF3126K
Ships in 1 Business Day
$139.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 6mm With Ball Seat Bolts

ES#2063856 - ECS10610KTWB - ECS Wheel Spacer & Bolt Kit - 6mm With Ball Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2063856
Mfg#:
ECS10610KTWB
Ships on Nov 11, 2026
ON SALE!
$144.99

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

$137.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

10MM Hub Centric Wheel Spacers - With Ball Seat Bolts

ES#4846122 - CTS-SUS-6610 - 10MM Hub Centric Wheel Spacers - With Ball Seat Bolts - Create that flush look and give your car a wider stance - CTS - Audi

Create that flush look and give your car a wider stance

Brand:
CTS - Corporate Logo
ES#:
4846122
Mfg#:
CTS-SUS-6610
Back Ordered
ON SALE! SAVE 15%
$79.99

This product was last offered at the strikethrough price on
09-29-2026

$67.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Street Shield Skid Plate Hardware Kit

ES#3659419 - n90610602KT - Transmission Street Shield Skid Plate Hardware Kit - Replacement hardware kit for your ECS Transmission Street Shield - Assembled By ECS - Audi

Replacement hardware kit for your ECS Transmission Street Shield 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3659419
Mfg#:
N90610602KT
In Stock
ON SALE! SAVE 23%
$173.99

This product was last offered at the strikethrough price on
05-02-2026

$133.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

20mm Wheel Spacers - Black (Pair)

ES#3476437 - 021460TMS03-08 - 20mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476437
Mfg#:
021460TMS03-08
In Stock
ON SALE! SAVE 20%
$164.99

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

$131.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm Bushing Set - Inner

ES#3045168 - SPF3129K - Front Lower Control Arm Bushing Set - Inner - Upgrade to a more engaging driving experience - SuperPro - Audi Volkswagen

Upgrade to a more engaging driving experience For the curved control arm

Brand:
SuperPro - Corporate Logo
ES#:
3045168
Mfg#:
SPF3129K
Ships in 1 Business Day
$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Polyurethane Rear Subframe Bushings - Red (Street) - Set of Four

ES#4701611 - POW-016-75 - Polyurethane Rear Subframe Bushings - Red (Street) - Set of Four - Eliminate movement of the factory rear subframe and maintain proper suspension geometry when cornering! - Verkline - Audi

Eliminate movement of the factory rear subframe and maintain proper suspension geometry when cornering!

Brand:
Verkline - Corporate Logo
ES#:
4701611
Mfg#:
POW-016-75
Ships in 10 Business Days
$130.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rennline 3-Piece Pedal Set - Automatic Transmission - Silver

Silver anodized aircraft aluminum gas, brake, and dead pedal set with rubber grips and stainless steel hardware

Brand:
Rennline - Corporate Logo
ES#:
2840421
Mfg#:
P756391SILVER
Ships in 6 Business Days
ON SALE! SAVE 47%
$245.00

This product was last offered at the strikethrough price on
10-07-2026

$130.00 USD
Free Shipping

HPA Wheel Spacer & Bolt Kit - 10mm

ES#5434341 - HVW-831 - HPA Wheel Spacer & Bolt Kit - 10mm - Push your wheels out for a bold stance with HPAs 10mm Wheel Spacer & Bolt Kit - precision CNC machined hubcentric spacers and extended hardware for a secure, vibration free fit. - HPA Motorsports - Audi BMW Porsche

Push your wheels out for a bold stance with HPA’s 10mm Wheel Spacer & Bolt Kit - precision CNC machined hubcentric spacers and extended hardware for a secure, vibration free fit.

Brand:
HPA Motorsports - Corporate Logo
ES#:
5434341
Mfg#:
HVW-831
Back Ordered
Starting at $130.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HPA Wheel Spacer & Bolt Kit - 10mm

ES#5434034 - HVW-821 - HPA Wheel Spacer & Bolt Kit - 10mm - Push your wheels out for a bold stance with HPAs 10mm Wheel Spacer & Bolt Kit - precision CNC machined hubcentric spacers and extended hardware for a secure, vibration free fit. - HPA Motorsports - Audi Volkswagen

Push your wheels out for a bold stance with HPA’s 10mm Wheel Spacer & Bolt Kit - precision CNC machined hubcentric spacers and extended hardware for a secure, vibration free fit.

Brand:
HPA Motorsports - Corporate Logo
ES#:
5434034
Mfg#:
HVW-821
Back Ordered
Starting at $130.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED Trunk Lighting Kit

ES#2210293 - B8S4TRUNK - LED Trunk Lighting Kit - Illuminate the lighting in your trunk or hatch with new LED bulbs from Ziza - ZiZa - Audi

Illuminate the lighting in your trunk or hatch with new LED bulbs from Ziza 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ZiZa - Corporate Logo
ES#:
2210293
Mfg#:
B8S4TRUNK
In Stock
ON SALE! SAVE 10%
$15.99

This product was last offered at the strikethrough price on
05-02-2026

$14.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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