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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Most Popular Parts

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ECS Performance Ignition Service Kit

ES#4686058 - 002540LCA07KT - ECS Performance Ignition Service Kit - Includes six Red ECS coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Red ECS coil packs and OEM spark plugs to service your ignition system

Brand:
Assembled By ECS - Corporate Logo
ES#:
4686058
Mfg#:
002540LCA07KT
In Stock
ON SALE! SAVE 12%
$361.99

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

$317.42 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 15mm With Black Ball Seat Bolts

ES#2748286 - 002411ECS03AKT3 - Wheel Spacer & Bolt Kit - 15mm With Black Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install spacers Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748286
Mfg#:
002411ECS03AKT3
In Stock
ON SALE! SAVE 25%
$172.99

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

$129.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit

ES#3536764 - g052577m2KT - Oil Service Kit - Includes OEM 508/509 Full Synthetic 0w-20 Engine Oil, Filter, drain plug, and washer for a complete oil service - Genuine Volkswagen Audi - Audi

Includes OEM 508/509 Full Synthetic 0w-20 Engine Oil, Filter, drain plug, and washer for a complete oil service

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3536764
Mfg#:
G052577M2KT
In Stock
$148.99

This product was last offered at the strikethrough price on
06-10-2026

$144.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Competition Intercooler With Charge Pipe Kit

ES#4418610 - 200001120.PIPE - Competition Intercooler With Charge Pipe Kit - The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. Includes charge pipe kit. - Wagner Tuning - Audi

The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. Includes charge pipe kit. **This kit is for US vehicle fitment**

Brand:
Wagner Tuning - Corporate Logo
ES#:
4418610
Mfg#:
200001120.PIPE
In Stock
$1140.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 12.5mm With Black Ball Seat Bolts

ES#2748284 - 002411ECS02AKT6 - Wheel Spacer & Bolt Kit - 12.5mm With Black Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install spacers Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748284
Mfg#:
002411ECS02AKT6
In Stock
ON SALE! SAVE 25%
$224.99

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

$168.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ End User Flashing Kit R4 (Flashing Device Only - Tuning Not Included)

ES#4684889 - 034-103-3306 - Dynamic+ End User Flashing Kit R4 (Flashing Device Only - Tuning Not Included) - End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. - 034Motorsport - Audi Volkswagen

End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. The 034SPI Mobile App is only available on vehicles with Dynamic+ Tuning installed. You must purchase Dynamic+ Tuning for your Audi or Volkswagen to access the Dynamic+ Flashing Suite and 034SPI Mobile Application.

Brand:
034Motorsport - Corporate Logo
ES#:
4684889
Mfg#:
034-103-3306
EO#:
D-850
In Stock
ON SALE! SAVE 10%
$180.00

This product was last offered at the strikethrough price on
08-17-2026

$162.00 USD
Free Shipping

Billet Aluminum Transmission Mount Insert

ES#3176060 - 034-509-4053 - Billet Aluminum Transmission Mount Insert - This billet aluminum insert is designed to fill the large void in the factory transmission mount - 034Motorsport - Audi

This billet aluminum insert is designed to fill the large void in the factory transmission mount

Brand:
034Motorsport - Corporate Logo
ES#:
3176060
Mfg#:
034-509-4053
In Stock
ON SALE! SAVE 10%
$91.00

This product was last offered at the strikethrough price on
08-17-2026

$81.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5 Sportback 3.0T Valved Exhaust System

ES#4369839 - 026018ECS - Audi B9 S4/S5 Sportback 3.0T Valved Exhaust System - ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience - ECS - Audi

ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience

Brand:
ECS - Corporate Logo
ES#:
4369839
Mfg#:
026018ECS
Ships on Oct 29, 2026
ON SALE!
Starting at $1471.77 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Oil Separator/Pressure Control Valve (PCV) Service Kit

ES#4782919 - 06M129041KT2 - Ultimate Oil Separator/Pressure Control Valve (PCV) Service Kit - Comprehensive kit includes the PCV, Breather lines, and all required hardware - Assembled By ECS - Audi

Comprehensive kit includes the PCV, Breather lines, and all required hardware

Brand:
Assembled By ECS - Corporate Logo
ES#:
4782919
Mfg#:
06M129041KT2
In Stock
ON SALE!
$303.99

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

$283.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Motor Mount Kit - 60 Durometer

ES#4619953 - 034-509-5041 - Street Density Line Motor Mount Kit - 60 Durometer - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts

Brand:
034Motorsport - Corporate Logo
ES#:
4619953
Mfg#:
034-509-5041
In Stock
ON SALE! SAVE 10%
$480.00

This product was last offered at the strikethrough price on
08-17-2026

$432.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8-Speed Automatic Transmission Service Kit - 7 Liters

ES#4845358 - 0D5398009CKITKT1 - 8-Speed Automatic Transmission Service Kit - 7 Liters - Includes the necessary filter, plug, gasket, and ATF fluid to service your transmission - ZF - Audi

Includes the necessary filter, plug, gasket, and ATF fluid to service your transmission We Price Match - Give Us A Call or Chat!

Brand:
ZF - Corporate Logo
ES#:
4845358
Mfg#:
0D5398009CKITKT1
In Stock
$301.99 USD
Free Shipping
on orders $49 and up

CTS Turbo B9 S4/S5 High Flow Cat

ES#4043052 - CTS-EXH-TP-0009C - CTS Turbo B9 S4/S5 High Flow Cat - CTS Turbo high flow cat is made to maximize exhaust flow for highest power gains - Do not compromise performance and sound with factory parts - Unleash your B9 S4/S5 3.0T Potential! - CTS - Audi

CTS Turbo high flow cat is made to maximize exhaust flow for highest power gains - Do not compromise performance and sound with factory parts - Unleash your B9 S4/S5 3.0T Potential!

Brand:
CTS - Corporate Logo
ES#:
4043052
Mfg#:
CTS-EXH-TP-0009C
In Stock
$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber ECU Cover - Audi B9 S4/S5/RS5

ES#3247906 - 024249ECS01 - Carbon Fiber ECU Cover - Audi B9 S4/S5/RS5 - Compliment your engine bay and hide away the exposed ECU - ECS - Audi

Compliment your engine bay and hide away the exposed ECU

Brand:
ECS - Corporate Logo
ES#:
3247906
Mfg#:
024249ECS01
In Stock
ON SALE! SAVE 20%
$239.99

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

$191.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Oil Catch Can System - B9 S4/S5/SQ5

ES#4620271 - VWR131000 - RacingLine Oil Catch Can System - B9 S4/S5/SQ5 - Features a complete PCV replacement block feeding to an internally-baffled can to eliminate oil-build-up in the intercooler and inlet tract - Racingline - Audi

Features a complete PCV replacement block feeding to an internally-baffled can to eliminate oil-build-up in the intercooler and inlet tract

Brand:
Racingline - Corporate Logo
ES#:
4620271
Mfg#:
VWR131000
In Stock
$1117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Ceramic Brake Pad Set

ES#4159091 - 8w0698151nkt2KT - Front & Rear Ceramic Brake Pad Set - Ceramic set for quiet and smooth, low-dust stopping - Brembo - Audi

Ceramic set for quiet and smooth, low-dust stopping

Brand:
Brembo - Corporate Logo
ES#:
4159091
Mfg#:
8W0698151NKT2KT
In Stock
$145.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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