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Audi B8/B8.5 S4 Quattro 3.0T

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Audi B8/B8.5 S4 Quattro 3.0T Performance Parts & Upgrades

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Performance Polyurethane Front Sway Bar Bushing Set (26.5)

ES#4871668 - PFF3-204-26.5 - Performance Polyurethane Front Sway Bar Bushing Set (26.5) - Stiffer bushings allow sway bars to work at their fullest potential. For use with a 26.5mm sway bar. - Powerflex - Audi

Stiffer bushings allow sway bars to work at their fullest potential. For use with a 26.5mm sway bar.

Brand:
Powerflex - Corporate Logo
ES#:
4871668
Mfg#:
PFF3-204-26.5
Ships in 2 Business Days
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

H&R Quick-Safe Stud Conversion Kit

ES#2730940 - Q-SPack45-60 - H&R Quick-Safe Stud Conversion Kit - Set of 20 studs. M14 x 1.5 x 60 - H&R - Audi Volkswagen

Set of 20 studs. M14 x 1.5 x 60 We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2730940
Mfg#:
Q-SPACK45-60
Ships in 4 Business Days
$150.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Software Update

Upgrade existing stage 1 and stage 2 software to V2 & V3 Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For existing Stage 1 or Stage 2 customers with an ECU upgrade installed before 5/14/2015. Vehicle must be brought to ECS Tuning for programming.

Brand:
APR - Corporate Logo
ES#:
2918505
Mfg#:
30TFSIUPDATEKT
In Stock
$150.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sway Bar Teflon Bushing Rebuild & Upgrade Kit - 28.6mm Pair

ES#4905880 - 034-402-Z064 - Sway Bar Teflon Bushing Rebuild & Upgrade Kit - 28.6mm Pair - Replacement Bushing Set for 034-402-1012, 034-402-1029 & 034-402-1035 - 034Motorsport - Audi

Replacement Bushing Set for 034-402-1012, 034-402-1029 & 034-402-1035 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4905880
Mfg#:
034-402-Z064
Ships in 3 Business Days
$48.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DRA Series Wheel Spacers (Black) - 21mm - Pair

Fine tune your stance and improve handling We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
4149588
Mfg#:
4255668SW
Ships in 4 Business Days
10% off MSRP

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

$159.99

This product was last offered at the strikethrough price on
07-01-2026

$143.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 20mm (1 Pair)

ES#3672011 - MS100191 - Wheel Spacer Kit - 20mm (1 Pair) - 20mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi

20mm spacers to perfectly dial in your stance or clear your big brake kit! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3672011
Mfg#:
MS100191
Ships in 6 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.

$160.99

This product was last offered at the strikethrough price on
09-17-2026

$142.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

12.5mm Wheel Spacers - Silver (Pair)

ES#3476429 - 021460TMS03-01 - 12.5mm Wheel Spacers - Silver (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#:
3476429
Mfg#:
021460TMS03-01
In Stock
ON SALE!
$145.99

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

$141.61 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Performance Ceramic Brake Pad Set

ES#2092635 - HB642Z.658 - Rear Performance Ceramic Brake Pad Set - Ceramic composite developed to meet the low dust & noise requirements - Hawk - Audi

Ceramic composite developed to meet the low dust & noise requirements

Brand:
Hawk - Corporate Logo
ES#:
2092635
Mfg#:
HB642Z.658
Ships on Oct 7, 2026
ON SALE! SAVE 10%
$156.99

This product was last offered at the strikethrough price on
09-14-2026

$140.93 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 2mm (1 Pair)

ES#3570114 - MS100159 - Wheel Spacer Kit - 2mm (1 Pair) - 2mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi

2mm spacers to perfectly dial in your stance or clear your big brake kit! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3570114
Mfg#:
MS100159
Ships in 4 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
09-17-2026

$66.99 USD
Free Shipping
on orders $49 and up
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

Wheel Spacer Kit - 17mm (1 Pair)

ES#3672010 - MS100190 - Wheel Spacer Kit - 17mm (1 Pair) - 17mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi

17mm spacers to perfectly dial in your stance or clear your big brake kit! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3672010
Mfg#:
MS100190
Ships in 6 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.

$149.99

This product was last offered at the strikethrough price on
09-17-2026

$132.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
Ships on Oct 9, 2026
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

Front & Rear Stainless Steel Brake Line Kit

High-Quality, DOT approved stainless brake lines to replace the factory hoses on your S4/S5

Brand:
JH Motorsports - Corporate Logo
ES#:
4046124
Mfg#:
JHM-SBLK1325
Ships on Oct 5, 2026
$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Tow Hook Cover - Primed

ES#2540929 - 8K0807241EGRU - Front Tow Hook Cover - Primed - Replace your lost cover - Genuine Volkswagen Audi - Audi

Replace your lost cover

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2540929
Mfg#:
8K0807241EGRU
Ships in 1-2 days
10% off MSRP

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

$62.99

This product was last offered at the strikethrough price on
08-31-2026

$56.99 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.

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