Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi B9 S4 Quattro 3.0T

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle Audi B9 S4 Quattro 3.0T
Your Vehicle Audi B9 S4 Quattro 3.0T
Change Clear

Audi B9 S4 Quattro 3.0T Most Popular Parts

Sort By
Filter By
Return to Top

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
06-28-2026

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

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

Brand:
Brembo - Corporate Logo
ES#:
4608860
Mfg#:
4M0615301ABKT
In Stock
$345.99

This product was last offered at the strikethrough price on
01-21-2026

$239.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VPS Pre Muffler Delete Kit

ES#4414474 - B9PMD2017 - VPS Pre Muffler Delete Kit - Unleash the sound your 3.0T was meant to have! - Verstarkt Performance Systems - Audi

Unleash the sound your 3.0T was meant to have! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Verstarkt Performance Systems - Corporate Logo
ES#:
4414474
Mfg#:
B9PMD2017
In Stock
$269.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Adjustable Rear Sway Bar

ES#3241098 - 034-402-1010 - Dynamic+ Adjustable Rear Sway Bar - Designed to combat understeer while reducing body roll under hard cornering! - 034Motorsport - Audi

Designed to combat understeer while reducing body roll under hard cornering! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3241098
Mfg#:
034-402-1010
In Stock
ON SALE! SAVE 10%
$354.00

This product was last offered at the strikethrough price on
06-28-2026

$318.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Red Top Ignition Coil (06H905110L) - Priced Each

ES#3646996 - 06H905110L - Red Top Ignition Coil (06H905110L) - Priced Each - Keep your engine running strong - NFIS Original Equipment - Audi Volkswagen

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NFIS Original Equipment - Corporate Logo
ES#:
3646996
Mfg#:
06H905110L
In Stock
$39.99 USD
Free Shipping
on orders $49 and up
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TurboSmart - Corporate Logo
ES#:
4745463
Mfg#:
TS-0223-1079
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.

$350.99

This product was last offered at the strikethrough price on
07-05-2026

$315.99 USD
Free Shipping
on orders $49 and up
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
06-28-2026

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

Ohlins 17-20 Audi A4/A5/S4/S5/RS4/RS5 (B9) Road & Track Coilover System

ES#4715964 - AUSMU00S1 - Ohlins 17-20 Audi A4/A5/S4/S5/RS4/RS5 (B9) Road & Track Coilover System - Get top of the line performance and comfort from one of the biggest names in suspension systems, Ohlins. Features 30-Level dampening adjustment and DFV technology - Ohlins - Audi

Get top of the line performance and comfort from one of the biggest names in suspension systems, Ohlins. Features 30-Level dampening adjustment and DFV technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ohlins - Corporate Logo
ES#:
4715964
Mfg#:
AUSMU00S1
In Stock at Vendor
$3300.00 USD

Performance Ignition Service Kit

ES#4475290 - 06m905606f1KT - Performance Ignition Service Kit - Includes six Red APR coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Red APR coil packs and OEM spark plugs to service your ignition system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475290
Mfg#:
06M905606F1KT
EO#:
D-783-5
Ships in 2 Business Days
$409.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Intake System - 3.0T S4/S5

ES#4876483 - CI100072 - APR Intake System - 3.0T S4/S5 - Add a sporty, refined tone without being overbearing - APR - Audi

Add a sporty, refined tone without being overbearing 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#:
4876483
Mfg#:
CI100072
Ships on Sep 1, 2026
Auto Notify
11% off MSRP

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

$652.99

This product was last offered at the strikethrough price on
07-05-2026

$579.99 USD
Free Shipping
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
Customize
Free Shipping

Ignition Coil - Priced Each

ES#4145072 - 06H905110L - Ignition Coil - Priced Each - Keep your engine running smooth - Bosch - Audi Volkswagen

Keep your engine running smooth affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4145072
Mfg#:
06H905110L
In Stock
$64.99

This product was last offered at the strikethrough price on
02-17-2026

$45.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

ECS Wheel Spacers - 15mm (Pair)

ES#2603079 - 002411ECS03A15KT - ECS Wheel Spacers - 15mm (Pair) - Improve the look of your vehicle with spacers - ECS - Audi BMW Porsche

Improve the look of your vehicle with spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2603079
Mfg#:
002411ECS03A15KT
In Stock
ON SALE! SAVE 25%
$136.99

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

$102.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Billet Adjustable Front Sway Bar End Links

ES#4381944 - 034-402-4033 - Dynamic+ Billet Adjustable Front Sway Bar End Links - Replace your flimsy, imprecise OEM sway bar end links with these performance engineered Dynamic+ Billet Adjustable Front Sway Bar End Links from 034Motorsport - 034Motorsport - Audi

Replace your flimsy, imprecise OEM sway bar end links with these performance engineered Dynamic+ Billet Adjustable Front Sway Bar End Links from 034Motorsport affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4381944
Mfg#:
034-402-4033
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$168.00

This product was last offered at the strikethrough price on
06-28-2026

$151.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coil - Blue - Priced Each

ES#4164357 - MS100204 - APR Upgraded Ignition Coil - Blue - Priced Each - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi Volkswagen Porsche

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! 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!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4164357
Mfg#:
MS100204
EO#:
D-783-5
In Stock
12% off MSRP

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

$59.95

This product was last offered at the strikethrough price on
07-05-2026

$52.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings