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Audi S4 Performance Parts & Upgrades

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Burger Motorsports JB4 Tuner

ES#4213367 - JB4-Audi-3.0TFSI - Burger Motorsports JB4 Tuner - Features CAN-Bus connectivity for more advanced tuning gain up to 45hp/65lb-ft on a stock car - Burger Motorsports - Audi

Features CAN-Bus connectivity for more advanced tuning — gain up to 45hp/65lb-ft on a stock car affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4213367
Mfg#:
JB4-AUDI-3.0TFSI
Ships on Jul 8, 2026
$479.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BlueStuff Performance Racing Brake Pad Set - Rear

Race-inspired performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
4819474
Mfg#:
DP52254NDX
Ships in 1 Business Day
5% off MSRP

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

$166.99

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

$158.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B9 A4/S4 Race Tow Strap - Red

ES#3569432 - 023419ECS01-07 - B9 A4/S4 Race Tow Strap - Red - Look great on the track or street! - ECS - Audi

Look great on the track or street! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3569432
Mfg#:
023419ECS01-07
In Stock
ON SALE! SAVE 30%
$112.99

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

$79.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B6 A4/S4 Master LED Interior Lighting Kit

ES#2215391 - B6A4LEDINT - B6 A4/S4 Master LED Interior Lighting Kit - Transform your complete interior in minutes with new LED interior bulbs from Ziza - ZiZa - Audi

Transform your complete interior in minutes with new LED interior bulbs from Ziza affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Sedan models only

Brand:
ZiZa - Corporate Logo
ES#:
2215391
Mfg#:
B6A4LEDINT
In Stock
ON SALE! SAVE 50%
$117.99

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

$59.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Front Sway Bar Kit

ES#2708113 - 70477KT - Performance Front Sway Bar Kit - Includes H&R's 32mm sway bar with installation hardware - H&R - Audi

Includes H&R's 32mm sway bar with installation hardware 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#:
2708113
Mfg#:
70477KT
Back Ordered
$470.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Flush Fit Kit - Polished Bolts - Aggressive

ES#3138549 - 003462ECS01KT2 - Wheel Spacer Flush Fit Kit - Polished Bolts - Aggressive - Includes spacers & Polished bolts to obtain a flush look on your OE 19" 'Peeler' style wheels - ECS - Audi

Includes spacers & Polished bolts to obtain a flush look on your OE 19" 'Peeler' style wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3138549
Mfg#:
003462ECS01KT2
Back Ordered
Auto Notify
ON SALE! SAVE 15%
$276.99

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

$235.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI Stage 2 Engine Mount - Priced Each

ES#3021938 - EBFIB56ES2 - BFI Stage 2 Engine Mount - Priced Each - 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#:
3021938
Mfg#:
EBFIB56ES2
Ships on Jul 14, 2026
$234.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Relocation Kit

ES#4858154 - 034-102-1004 - Radiator Relocation Kit - The Radiator Relocation Kit is an integral component when swapping your B8/B8.5 A4/S4 Audi with the larger twin-turbo V8 engine. - 034Motorsport - Audi

The Radiator Relocation Kit is an integral component when swapping your B8/B8.5 A4/S4 Audi with the larger twin-turbo V8 engine. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles doing an engine swap only, not intended for OE usage

Brand:
034Motorsport - Corporate Logo
ES#:
4858154
Mfg#:
034-102-1004
Ships in 2 Business Days
$465.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 7mm (1 Pair)

ES#3570119 - MS100164 - Wheel Spacer Kit - 7mm (1 Pair) - 7mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi

7mm 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#:
3570119
Mfg#:
MS100164
Ships in 7 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.

$103.99

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

$92.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Trunk Spoiler - Audi B7 A4/S4

ES#3200077 - 013869ECS01A - Carbon Fiber Trunk Spoiler - Audi B7 A4/S4 - Add a touch of style and real carbon fiber to your Audi - ECS - Audi

Add a touch of style and real carbon fiber to your Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Sedan models only

Brand:
ECS - Corporate Logo
ES#:
3200077
Mfg#:
013869ECS01A
Special Order: No Guaranteed ETA
ON SALE! SAVE 20%
$579.99

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

$463.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Motorsport Adjustable Rear Toe Links

ES#4669425 - 034-407-1009 - Motorsport Adjustable Rear Toe Links - A direct, drop-in upgrade for the cast steel factory rear toe links - 034Motorsport - Audi

A direct, drop-in upgrade for the cast steel factory rear toe links affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4669425
Mfg#:
034-407-1009
Ships in 2 Business Days
$463.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Engine Cover

ES#4265528 - 034-1ZZ-1004 - Carbon Fiber Engine Cover - Designed to tastefully complement the factory engine bay with a beautiful carbon fiber weave that is perfectly matched to the X34 Carbon Fiber Air Intake. - 034Motorsport - Audi

Designed to tastefully complement the factory engine bay with a beautiful carbon fiber weave that is perfectly matched to the X34 Carbon Fiber Air Intake. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2019 model year only

Brand:
034Motorsport - Corporate Logo
ES#:
4265528
Mfg#:
034-1ZZ-1004
Ships in 2 Business Days
$461.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Front Upper Control Arm Set - Left Side

ES#3557370 - 81361 - Adjustable Front Upper Control Arm Set - Left Side - Correct your camber and eliminate inner tire wear - SPC - Audi

Correct your camber and eliminate inner tire wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SPC - Corporate Logo
ES#:
3557370
Mfg#:
81361
Ships in 5 Business Days
$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar - 32mm

ES#7417 - 70257 - Front Sway Bar - 32mm - Adjustable version - H&R - Audi

Adjustable version 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#:
7417
Mfg#:
70257
Ships in 3 Business Days
$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI Stage 1 Engine Mount - Priced Each

ES#3021937 - EBFIB56ES1 - BFI Stage 1 Engine Mount - Priced Each - 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#:
3021937
Mfg#:
EBFIB56ES1
Ships in 2 Business Days
$224.99 USD
Free Shipping
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.

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