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Audi S4 Performance Parts & Upgrades

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ECS Wheel Spacer & Bolt Kit - 17.5mm With Ball Seat Bolts

ES#250728 - ECS10158KTWB - ECS Wheel Spacer & Bolt Kit - 17.5mm 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
250728
Mfg#:
ECS10158KTWB
In Stock
ON SALE! SAVE 25%
$192.99

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

$144.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar Assembly - 22mm

ES#7418 - 71257 - Rear Sway Bar Assembly - 22mm - Reduce body roll with this new sway bar from H&R - H&R - Audi

Reduce body roll with this new sway bar from H&R affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
7418
Mfg#:
71257
Ships in 3 Business Days
$286.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Curved Control Arm - Pair

ES#3183685 - MRS-AU-1911 - Front Lower Curved Control Arm - Pair - Upgraded lower curved control arm pair - Megan Racing - Audi

Upgraded lower curved control arm pair affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models from production date 11/3/2009 (M14 Ball Joints)

Brand:
Megan Racing - Corporate Logo
ES#:
3183685
Mfg#:
MRS-AU-1911
Special Order: No Guaranteed ETA
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sport Springs Set

ES#2825925 - 55.02.47 - Sport Springs Set - Upgrade looks and handling with sport springs - Neuspeed - Audi

Upgrade looks and handling with sport springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
Average lowering of 38mm Front & Rear

Brand:
Neuspeed - Corporate Logo
ES#:
2825925
Mfg#:
55.02.47
Ships in 2 Business Days
$284.99 USD
This product is lifetime replacement eligible Lifetime Replacement

LED Overhead Lighting Kit

ES#2210296 - B8S4OVERHEAD - LED Overhead Lighting Kit - Transform your dome lamp lighting with these new LED bulbs from Ziza - ZiZa - Audi

Transform your dome lamp lighting with these new LED bulbs from Ziza affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ZiZa - Corporate Logo
ES#:
2210296
Mfg#:
B8S4OVERHEAD
In Stock
ON SALE! SAVE 10%
$62.99

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

$56.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED License Plate Bulb - Pair

ES#259644 - T10W37KT-14 - LED License Plate Bulb - Pair - Featuring built in heat sinks to dissipate heat - ZiZa - Audi

Featuring built in heat sinks to dissipate heat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ZiZa - Corporate Logo
ES#:
259644
Mfg#:
T10W37KT-14
In Stock
ON SALE! SAVE 10%
$62.99

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

$56.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Titanium Brake Pad Shim Kit For RS+ Big Brake Package

ES#4843177 - 034-3ZZ-0007 - 034Motorsport Titanium Brake Pad Shim Kit For RS+ Big Brake Package - Designed to reduce heat transfer between your brake pads and calipers, preventing brake fluid from overheating and fade during intense use. - 034Motorsport - Audi

Designed to reduce heat transfer between your brake pads and calipers, preventing brake fluid from overheating and fade during intense use. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 034Motorsport RS+ Big Brake Package only.

Brand:
034Motorsport - Corporate Logo
ES#:
4843177
Mfg#:
034-3ZZ-0007
Ships in 2 Business Days
$141.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 4mm With Conical Seat Bolts

ES#2568226 - ECS10153KTWBC - ECS Wheel Spacer & Bolt Kit - 4mm With Conical 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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#:
2568226
Mfg#:
ECS10153KTWBC
Ships on Aug 26, 2026
ON SALE! SAVE 25%
$124.99

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

$93.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EMD Wheel Spacers - 15mm (Pair)

Exclusively built for your 57.1mm centerbore VW/Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
4042994
Mfg#:
EMD-SPACER-15571
Ships in 4 Business Days
$70.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HPA Wheel Spacer & Bolt Kit - 15mm

ES#5434344 - HVW-832 - HPA Wheel Spacer & Bolt Kit - 15mm - Push your wheels out for a bold stance with HPA™s 15mm 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 15mm Wheel Spacer & Bolt Kit - precision CNC machined hubcentric spacers and extended hardware for a secure, vibration free fit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
HPA Motorsports - Corporate Logo
ES#:
5434344
Mfg#:
HVW-832
Ships on Jul 14, 2026
Starting at $140.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Bumper Side Splitters

ES#3981217 - 024846ecs01KT - Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Bumper Side Splitters - Spice up the exterior of your Audi with genuine carbon fiber spats! - ECS - Audi

Spice up the exterior of your Audi with genuine carbon fiber spats! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits 2013+ A4 S-Line and S4 rear bumpers
Fits 2013+ A4 S-Line and S4 rear bumpers

Brand:
ECS - Corporate Logo
ES#:
3981217
Mfg#:
024846ECS01KT
Ships on Nov 19, 2026
ON SALE! SAVE 10%
$307.99

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

$277.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacer - 3mm (1 Pair)

ES#12096 - 0655571 - DR Series Wheel Spacer - 3mm (1 Pair) - Fine tune your stance and improve handling - H&R - Audi Volkswagen

Fine tune your stance and improve handling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
12096
Mfg#:
0655571
Ships in 3 Business Days
$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar End Link Kit

ES#2779621 - 8k0411317dkt - Front Sway Bar End Link Kit - Includes both end links with securing hardware - Genuine Volkswagen Audi - Audi

Includes both end links with securing hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2779621
Mfg#:
8K0411317DKT
Ships in 1-2 days
$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 2mm (1 Pair)

ES#3570104 - MS100149 - Wheel Spacer Kit - 2mm (1 Pair) - 2mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi Volkswagen

2mm spacers to perfectly dial in your stance or clear your big brake kit! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3570104
Mfg#:
MS100149
Ships in 5 Business Days
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$74.99

This product was last offered at the strikethrough price on
06-20-2026

$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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