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Audi S4 Performance Parts & Upgrades

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8MM Wheel Spacers - Pair

ES#4785749 - SP204GBS14 - 8MM Wheel Spacers - Pair - Wheel spacer kit with 14x35mm Ball seat bolts For OEM Wheels - Black Forest Industries - Audi Volkswagen

Wheel spacer kit with 14x35mm Ball seat bolts For OEM Wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
4785749
Mfg#:
SP204GBS14
Ships on Jul 16, 2026
$104.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm Kit

ES#3183691 - mrs-au-1911-1912 - Front Lower Control Arm Kit - Includes upgraded lower straight and curved control arms - Megan Racing - Audi

Includes upgraded lower straight and curved control arms affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Megan Racing - Corporate Logo
ES#:
3183691
Mfg#:
MRS-AU-1911-1912
Back Ordered
Auto Notify
$524.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Trunk Spoiler - Gloss Black

ES#3709285 - ZAW071600MDSP - Trunk Spoiler - Gloss Black - Ideal for those looking to add a competition-inspired touch to their Audi. - Genuine Volkswagen Audi - Audi

Ideal for those looking to add a competition-inspired touch to their Audi. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3709285
Mfg#:
ZAW071600MDSP
Ships in 5 Business Days
4% off MSRP

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

$540.00

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

$517.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valves - Set Of 18

ES#4041041 - st-aivn-1103KT2 - Supertech Stainless Intake Valves - Set Of 18 - Standard sized valve head diameter, factory triple groove keeper setup - Supertech - Audi

Standard sized valve head diameter, factory triple groove keeper setup affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4041041
Mfg#:
ST-AIVN-1103KT2
Ships in 6 Business Days
$515.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Bi-Pipe Set - Raw

ES#2864565 - 034-108-5001 - Stainless Steel Bi-Pipe Set - Raw - Replace your restrictive OEM Audi bipipes with 034Motorsport's High-Flow Bi-pipe Set for the 2.7T! - 034Motorsport - Audi

Replace your restrictive OEM Audi bipipes with 034Motorsport's High-Flow Bi-pipe Set for the 2.7T! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864565
Mfg#:
034-108-5001
Ships on Jul 14, 2026
$256.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 Upgraded Front and Rear Sway Bar End Links & Lowering Springs

ES#4751247 - 003112ECS01EBKT - Audi B8 Upgraded Front and Rear Sway Bar End Links & Lowering Springs - Get the whole suspension package all at once! - Enthusiast Bundles - Audi

Get the whole suspension package all at once! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751247
Mfg#:
003112ECS01EBKT
In Stock
ON SALE! SAVE 30%
$725.28

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

$510.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 Stage 1 Suspension Package

Start off your suspension upgrades on the right foot with the EMD Auto stage 1 suspension package! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
4430332
Mfg#:
EMD-B9Q-STG1
Ships in 1 Business Day
$510.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B6/B7 Stage 1 Engine Mount Kit With Snub Mount

ES#4040538 - ebfib56es1KT - Audi B6/B7 Stage 1 Engine Mount Kit With Snub Mount - Keep your engine planted and transfer as much power to the ground as possible - Black Forest Industries - Audi Volkswagen

Keep your engine planted and transfer as much power to the ground as possible affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
4040538
Mfg#:
EBFIB56ES1KT
Ships on Jul 8, 2026
$509.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Supercharger Plate - Black Milled

ES#4620215 - JHM-06E103927K-B - Billet Supercharger Plate - Black Milled - Upgrade the looks of the factory supercharger or replace your broken factory cover. - JH Motorsports - Audi

Upgrade the looks of the factory supercharger or replace your broken factory cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4620215
Mfg#:
JHM-06E103927K-B
Ships in 1 Business Day
$169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 20mm With Conical Seat Bolts

ES#2568234 - ECS10159KTWBC - ECS Wheel Spacer & Bolt Kit - 20mm 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!
Fits most aftermarket wheels that require conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2568234
Mfg#:
ECS10159KTWBC
Ships in 9 Business Days
ON SALE! SAVE 15%
$199.99

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

$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 3mm With Conical Seat Bolts

ES#2568225 - ECS10152KTWBC - ECS Wheel Spacer & Bolt Kit - 3mm 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#:
2568225
Mfg#:
ECS10152KTWBC
In Stock
ON SALE! SAVE 25%
$135.99

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

$101.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Special Active Rear Shock - Priced Each

ES#4698697 - 82451407 - Special Active Rear Shock - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without electronic suspension

Brand:
Koni - Corporate Logo
ES#:
4698697
Mfg#:
82451407
In Stock
ON SALE! SAVE 20%
$159.99

This product was last offered at the strikethrough price on
03-02-2026

$127.46 USD
Free Shipping
on orders $49 and up

630cc Fuel Injectors & Fuel Rail Spacer Kit

ES#259223 - 630INJ-6 KIT - 630cc Fuel Injectors & Fuel Rail Spacer Kit - High flow injectors reaching 630cc/minute @ 3 bar. Includes fuel rail spacers - Assembled By ECS - Audi

High flow injectors reaching 630cc/minute @ 3 bar. Includes fuel rail spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
259223
Mfg#:
630INJ-6 KIT
Ships on Oct 29, 2026
ON SALE!
$517.99

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

$506.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sport Springs - Set

ES#645 - 29477-2 - Sport Springs - Set - Unrivaled comfort and performance. Average lowering of 1.4"F 1.3"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 1.4"F 1.3"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!
Fits Avant models only

Brand:
H&R - Corporate Logo
ES#:
645
Mfg#:
29477-2
Ships in 3 Business Days
$252.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 1

ES#4730403 - EBFI77-KB6-201 - BFI 4.2 V8 Complete Replacement Engine Mount Kit - Stage 1 - Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design - Black Forest Industries - Audi

Replace your old, tired, hydraulic engine mount with BFI's proprietary bushing and bracket/Cup design affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
4730403
Mfg#:
EBFI77-KB6-201
Special Order: No Guaranteed ETA
$504.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

Let us help you find the parts that fit your Audi

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