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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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19" Apex SL-12RT Wheels - Square Set Of Four

ES#5470219 - 12199255112bkKT - 19" Apex SL-12RT Wheels - Square Set Of Four - 19x9 ET25 5x112 66.6CB - Satin Black - APEX Wheels - Audi Mercedes Benz

19x9 ET25 5x112 66.6CB - Satin Black 2X Entries Into Our F80 M3 Sweepstakes

Brand:
APEX Wheels - Corporate Logo
ES#:
5470219
Mfg#:
12199255112BKKT
Ships in 5 Business Days
$3556.00 USD
This product is lifetime replacement eligible Lifetime Replacement

19" Apex VS-5RS Wheels - Square Set Of Four

ES#4699721 - vs5rs199525qanKT - 19" Apex VS-5RS Wheels - Square Set Of Four - Forged 19x9.5" ET25 5X112 - Anthracite - APEX Wheels - Audi

Forged 19x9.5" ET25 5X112 - Anthracite 2X Entries Into Our F80 M3 Sweepstakes

Brand:
APEX Wheels - Corporate Logo
ES#:
4699721
Mfg#:
VS5RS199525QANKT
Ships in 5 Business Days
$3596.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" APEX ML-10RT Forged Wheels - Set Of Four

ES#4821484 - ml1019925112gKT - 19" APEX ML-10RT Forged Wheels - Set Of Four - 19x9 ET25 5x112 66.6CB - Machined Lip Gloss Motorsport Gold - APEX Wheels - Audi Mercedes Benz

19x9 ET25 5x112 66.6CB - Machined Lip Gloss Motorsport Gold 2X Entries Into Our F80 M3 Sweepstakes

Brand:
APEX Wheels - Corporate Logo
ES#:
4821484
Mfg#:
ML1019925112GKT
Ships in 5 Business Days
$3556.00 USD
Free Shipping

19" Apex ML-7RT Wheels - Square Set Of Four

ES#5470092 - 7199255112rsKT - 19" Apex ML-7RT Wheels - Square Set Of Four - 19x9 ET25 5x112 66.6CB - Race Silver - Machined Lip - APEX Wheels - Audi

19x9 ET25 5x112 66.6CB - Race Silver - Machined Lip 2X Entries Into Our F80 M3 Sweepstakes

Brand:
APEX Wheels - Corporate Logo
ES#:
5470092
Mfg#:
7199255112RSKT
Ships in 5 Business Days
$3556.00 USD

AWE SwitchPath Exhaust System - Audi B9 S4 3.0T

ES#4727527 - AWEB9S4SP - AWE SwitchPath Exhaust System - Audi B9 S4 3.0T - Comes complete with non-resonated downpipes, a precision-engineered x-pipe mid-section, and two valved muffler sections. - AWE - Audi

Comes complete with non-resonated downpipes, a precision-engineered x-pipe mid-section, and two valved muffler sections. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4727527
Mfg#:
AWEB9S4SP
Ships on Sep 16, 2026
Starting at $3625.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Touring Edition Exhaust System - Audi B9 S4 3.0T

ES#4727525 - AWEB9S4TR - AWE Touring Edition Exhaust System - Audi B9 S4 3.0T - Removes the factory valving and replaces it with AWEs 180 Technology drone-cancelling resonators and resonated downpipes. - AWE - Audi

Removes the factory valving and replaces it with AWE’s 180 Technology® drone-cancelling resonators and resonated downpipes. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4727525
Mfg#:
AWEB9S4TR
Ships on Sep 16, 2026
Starting at $2775.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Performance Air Ride Kit

ES#3972075 - 78571 - Front Performance Air Ride Kit - Allow your B9 Audi to sit on the ground! - Air Lift - Audi

Allow your B9 Audi to sit on the ground! For vehicles with 48.5mm front lower mounts

Brand:
Air Lift - Corporate Logo
ES#:
3972075
Mfg#:
78571
Ships in 4 Business Days
$1386.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Strut Mount - Pair

ES#5471154 - 8w0412377b1KT1 - Front Upper Strut Mount - Pair - Keep your suspension in top shape - Assembled By ECS - Audi

Keep your suspension in top shape 10X Entries Into Our F80 M3 Sweepstakes
For models with standard & sport suspension (PR-Codes 1BA, 1BE)

Brand:
Assembled By ECS - Corporate Logo
ES#:
5471154
Mfg#:
8W0412377B1KT1
In Stock at Vendor
$125.99 USD
Free Shipping
on orders $49 and up

Front Sway Bar Installation Kit

ES#3969925 - 8K0411327BKT2 - Front Sway Bar Installation Kit - Includes new bushings, brackets and hardware - Assembled By ECS - Audi

Includes new bushings, brackets and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3969925
Mfg#:
8K0411327BKT2
Ships in 1 Business Day
ON SALE!
$69.99

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

$63.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Rear Brake Service Kit (330x22)

ES#4475782 - 034-301-2008KT - Performance Rear Brake Service Kit (330x22) - Featuring 034 Motorsport 2-piece rotors and ECS EP24 Enthusiast Performance pads - Assembled By ECS - Audi

Featuring 034 Motorsport 2-piece rotors and ECS EP24 Enthusiast Performance pads 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4475782
Mfg#:
034-301-2008KT
Ships in 2 Business Days
ON SALE!
$1177.97

This product was last offered at the strikethrough price on
06-15-2026

$1142.63 USD
This product is lifetime replacement eligible Lifetime Replacement

Front And Rear Slotted Two-Piece Rotors

ES#4699049 - A1-311KT - Front And Rear Slotted Two-Piece Rotors - Direct bolt-on replacement - Assembled By ECS - Audi

Direct bolt-on replacement 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4699049
Mfg#:
A1-311KT
In Stock at Vendor
$2145.00 USD
This product is lifetime replacement eligible Partial Replacement

BFI Shift Knob Cover - Air Leather - Black

ES#4389485 - 4234-4M-51 - BFI Shift Knob Cover - Air Leather - Black - Perfect for an OEM plus look - Black Forest Industries - Audi

Perfect for an OEM plus look

Brand:
Black Forest Industries - Corporate Logo
ES#:
4389485
Mfg#:
4234-4M-51
Ships on Sep 21, 2026
$129.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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