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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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Rear Brake Rotors - Pair (330x22)

ES#2597382 - 4H0615601HZIMKT - Rear Brake Rotors - Pair (330x22) - Featuring Zimmermann's "Coat Z" coating for corrosion resistance - Zimmermann - Audi
ECS Tuning recommends this product.

Featuring Zimmermann's "Coat Z" coating for corrosion resistance We Price Match - Give Us A Call or Chat!

Brand:
Zimmermann - Corporate Logo
ES#:
2597382
Mfg#:
4H0615601HZIMKT
In Stock
$185.98

This product was last offered at the strikethrough price on
08-03-2026

$147.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Performance Coilover System

ES#3187951 - 50356 - Street Performance Coilover System - Finally, A performance coilover suspension system for your B9 Audi - Offering unrivaled comfort and performance! - H&R - Audi

Finally, A performance coilover suspension system for your B9 Audi - Offering unrivaled comfort and performance! We Price Match - Give Us A Call or Chat!
For vehicles without Sport Suspension or Magnetic Ride Control

Brand:
H&R - Corporate Logo
ES#:
3187951
Mfg#:
50356
In Stock
10% off MSRP

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

$1980.00

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

$1782.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

P34 SuperDuper Insuction Bundle

ES#4858324 - 034-108-5048 - P34 SuperDuper Insuction Bundle - 034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration - 034Motorsport - Audi

034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration

Brand:
034Motorsport - Corporate Logo
ES#:
4858324
Mfg#:
034-108-5048
In Stock
ON SALE! SAVE 10%
$702.00

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

$631.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit 0w-30

ES#4680251 - 22158KT - Oil Service Kit 0w-30 - Includes Top Tech 4210 0w-30 504/507 Synthetic Engine Oil and filter. - Assembled By ECS - Audi

Includes Top Tech 4210 0w-30 504/507 Synthetic Engine Oil and filter.

Brand:
Assembled By ECS - Corporate Logo
ES#:
4680251
Mfg#:
22158KT
In Stock
ON SALE!
$158.99

This product was last offered at the strikethrough price on
08-19-2026

$153.31 USD
Free Shipping
on orders $49 and up

Front Brake Rotors - Pair (350x34)

ES#4608860 - 4M0615301ABKT - Front Brake Rotors - Pair (350x34) - Features Brembo's special UV paint treatment that guarantees superior corrosion resistance. - Brembo - Audi

Features Brembo's special UV paint treatment that guarantees superior corrosion resistance.

Brand:
Brembo - Corporate Logo
ES#:
4608860
Mfg#:
4M0615301ABKT
In Stock
$243.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Lower Control Arms

ES#4505755 - 034-401-1069 - Density Line Lower Control Arms - Replace your aging factory fluid-filled bushings with Density Line 65 durometer bushings in this comprehensive control arm kit - 034Motorsport - Audi

Replace your aging factory fluid-filled bushings with Density Line 65 durometer bushings in this comprehensive control arm kit

Brand:
034Motorsport - Corporate Logo
ES#:
4505755
Mfg#:
034-401-1069
In Stock
ON SALE! SAVE 10%
$657.00

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

$591.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front YellowStuff Performance Brake Pad Set

ES#3998961 - Dp42277R - Front YellowStuff Performance Brake Pad Set - EBC's premium sport street pad that offers high friction levels and heat fade resistance - EBC - Audi

EBC's premium sport street pad that offers high friction levels and heat fade resistance

Brand:
EBC - Corporate Logo
ES#:
3998961
Mfg#:
DP42277R
In Stock
5% off MSRP

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

$242.37

This product was last offered at the strikethrough price on
08-23-2026

$230.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AWE ColdFront Intercooler - Audi B9 S4/S5 3.0T

ES#4044047 - 4510-11060 - AWE ColdFront Intercooler - Audi B9 S4/S5 3.0T - Offers a 130% increase in frontal surface area and a massive 83% increase in volume over the factory B9 intercooler - AWE - Audi

Offers a 130% increase in frontal surface area and a massive 83% increase in volume over the factory B9 intercooler

Brand:
AWE - Corporate Logo
ES#:
4044047
Mfg#:
4510-11060
In Stock
$945.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Front Sway Bar End Links - Pair

ES#4841517 - 034-402-4039 - Density Line Front Sway Bar End Links - Pair - Replace your flimsy, imprecise OEM sway bar end links with these performance-engineered units! - 034Motorsport - Audi Porsche

Replace your flimsy, imprecise OEM sway bar end links with these performance-engineered units!

Brand:
034Motorsport - Corporate Logo
ES#:
4841517
Mfg#:
034-402-4039
In Stock
ON SALE! SAVE 10%
$112.00

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

$100.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Ignition Coils - Red - Set Of Six

ES#4686053 - 002540LCA03KT - ECS Performance Ignition Coils - Red - Set Of Six - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - ECS - Audi

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark!

Brand:
ECS - Corporate Logo
ES#:
4686053
Mfg#:
002540LCA03KT
In Stock
ON SALE! SAVE 20%
$281.99

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

$225.55 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Iridium Pro Spark Plugs - Priced Each

ES#4905500 - Z1004081 - APR Iridium Pro Spark Plugs - Priced Each - Designed for high performance / tuned vehicle applications - APR - Audi Porsche

Designed for high performance / tuned vehicle applications Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4905500
Mfg#:
Z1004081
Back Ordered
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13% off MSRP

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

$30.99

This product was last offered at the strikethrough price on
08-23-2026

$26.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport High Output Ignition Coils - Red - Set Of Six

ES#4620397 - 0341072012RED-6 - 034Motorsport High Output Ignition Coils - Red - Set Of Six - Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation - 034Motorsport - Audi Porsche

Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation

Brand:
034Motorsport - Corporate Logo
ES#:
4620397
Mfg#:
0341072012RED-6
In Stock
ON SALE! SAVE 10%
$384.00

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

$345.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KOMPACT EM BOV VR18 Dual Port

ES#4745463 - TS-0223-1079 - KOMPACT EM BOV VR18 Dual Port - Seamlessly install a Kompact EM Valve without the need for adaptors, hoses, or additional assembly. - TurboSmart - Audi

Seamlessly install a Kompact EM Valve without the need for adaptors, hoses, or additional assembly.

Brand:
TurboSmart - Corporate Logo
ES#:
4745463
Mfg#:
TS-0223-1079
Ships on Sep 9, 2026
10% off MSRP

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

$350.99

This product was last offered at the strikethrough price on
08-23-2026

$315.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

ES#4781296 - 06M103515HKT - Basic Oil Separator/Pressure Control Valve (PCV) Service Kit - Replace your leaking PCV - Assembled By ECS - Audi Porsche

Replace your leaking PCV

Brand:
Assembled By ECS - Corporate Logo
ES#:
4781296
Mfg#:
06M103515HKT
In Stock
ON SALE!
$132.99

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

$124.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EA839 3.0T Dynamic+ Performance Software Package

ES#4877267 - 034-103-292Q - EA839 3.0T Dynamic+ Performance Software Package - Unleash up to 774HP/716TQ by transforming your Audi EA839 3.0T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! - 034Motorsport - Audi

Unleash up to 774HP/716TQ by transforming your Audi EA839 3.0T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! For 3.0T Turbocharged models from the 2020 model year.

Brand:
034Motorsport - Corporate Logo
ES#:
4877267
Mfg#:
034-103-292Q
Ships in 1 Business Day
ON SALE!
Starting at $162.00 USD
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