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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Performance Parts & Upgrades

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Stainless Steel Braided Line Kit

ES#4635698 - 034-303-0015 - Stainless Steel Braided Line Kit - Features telfon linings, stainless steel braided reinforcement, and a protective black PVC covering. - 034Motorsport - Audi

Features telfon linings, stainless steel braided reinforcement, and a protective black PVC covering. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4635698
Mfg#:
034-303-0015
In Stock
$195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KOMPACT EM BOV VR18 Plum Back

ES#4745487 - TS-0223-1279 - KOMPACT EM BOV VR18 Plum Back - 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#:
4745487
Mfg#:
TS-0223-1279
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.

$309.99

This product was last offered at the strikethrough price on
10-09-2026

$278.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear V5 Slotted Brake Rotors - Set (330x22)

ES#4668333 - 4H0615601Q-S - Rear V5 Slotted Brake Rotors - Set (330x22) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - Audi

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4668333
Mfg#:
4H0615601Q-S
In Stock
ON SALE!
$374.99

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

$354.03 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 Front Lip Spoiler - Gloss Black & Grille Accent Set - Gloss Black

ES#4751328 - 028802ECS01EBKT - Audi B9 A4/S4 Front Lip Spoiler - Gloss Black & Grille Accent Set - Gloss Black - Upgrade your exterior styling! - Enthusiast Bundles - Audi

Upgrade your exterior styling! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
Fits up to 2019 model year with *pre-facelift* front bumpers

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751328
Mfg#:
028802ECS01EBKT
In Stock
ON SALE! SAVE 39%
$657.78

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

$399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Track Edition Exhaust System - Audi B9 S4 3.0T

ES#4727526 - AWEB9S4TK - AWE Track Edition Exhaust System - Audi B9 S4 3.0T - Equipped with the same precision-engineering as its Touring Edition counterpart, minus the resonators up front and 180 Technology resonators in the rear. - AWE - Audi

Equipped with the same precision-engineering as its Touring Edition counterpart, minus the resonators up front and 180 Technology® resonators in the rear. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4727526
Mfg#:
AWEB9S4TK
In Stock at Vendor
ON SALE!
Starting at $2155.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5 3.0T Performance Baffled Oil Catch Can System

ES#4044357 - 023952ecs01KT - Audi B9 S4/S5 3.0T Performance Baffled Oil Catch Can System - Keep your intake tract clean and carbon free - ECS - Audi

Keep your intake tract clean and carbon free 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4044357
Mfg#:
023952ECS01KT
In Stock
ON SALE! SAVE 15%
$555.07

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

$471.81 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 10mm (Pair)

ES#2603071 - 002411ECS02A10KT - ECS Wheel Spacers - 10mm (Pair) - Improve the look of your vehicle with spacers - ECS - Audi BMW Porsche

Improve the look of your vehicle with spacers 10X Entries Into Our F80 M3 Sweepstakes
These spacers are measured and designed to fit factory wheels. Not all aftermarket wheels will work with

Brand:
ECS - Corporate Logo
ES#:
2603071
Mfg#:
002411ECS02A10KT
In Stock
ON SALE! SAVE 10%
$106.99

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

$96.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1-Piece Rear Brake Rotor Upgrade Kit - Pair (330mm X 22mm)

ES#5446383 - 034-301-2022 - 1-Piece Rear Brake Rotor Upgrade Kit - Pair (330mm X 22mm) - Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use - 034Motorsport - Audi Porsche

Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5446383
Mfg#:
034-301-2022
In Stock
$382.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Radiator Upgrade

ES#4900053 - 034-102-1005 - 034Motorsport Radiator Upgrade - Replace your factory radiator with a larger, more efficient radiator to improve cooling capacity and maintain peak performance. - 034Motorsport - Audi

Replace your factory radiator with a larger, more efficient radiator to improve cooling capacity and maintain peak performance. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4900053
Mfg#:
034-102-1005
In Stock
$800.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front 2-Piece Brake Rotors - Pair (350x34)

ES#3493799 - 023938ecs01KT - Front 2-Piece Brake Rotors - Pair (350x34) - Direct bolt-on replacement - 16% less weight! - ECS - Audi

Direct bolt-on replacement - 16% less weight! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3493799
Mfg#:
023938ECS01KT
In Stock
ON SALE! SAVE 16%
$1052.99

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

$879.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4 Intercooler Charge Pipe Kit

ES#3638868 - 023880ecs01aKT - Audi B9 S4 Intercooler Charge Pipe Kit - Increase intake air flow with our high flow charge pipes for your ECS Tuning or OEM intercooler! - ECS - Audi

Increase intake air flow with our high flow charge pipes for your ECS Tuning or OEM intercooler! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3638868
Mfg#:
023880ECS01AKT
In Stock
ON SALE! SAVE 20%
$448.99

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

$359.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 5mm With Black Ball Seat Bolts

ES#2748278 - 6-ECS-015 - Wheel Spacer & Bolt Kit - 5mm With Black Ball Seat Bolts - Get the right size wheel spacer for your Audi - ECS - Audi

Get the right size wheel spacer for your Audi 10X Entries Into Our F80 M3 Sweepstakes
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748278
Mfg#:
6-ECS-015
Ships on Dec 7, 2026
ON SALE! SAVE 25%
$140.99

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

$105.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 Carbon Fiber Engine Cover Overlay Kit

ES#3969803 - 023897ECS02 - Audi B9 Carbon Fiber Engine Cover Overlay Kit - Add a touch of carbon fiber to your stock engine cover! - ECS - Audi

Add a touch of carbon fiber to your stock engine cover! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3969803
Mfg#:
023897ECS02
In Stock
ON SALE! SAVE 10%
$366.99

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

$330.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperDuper Turbo Inlet Pipe

ES#4642915 - 034-108-5036 - SuperDuper Turbo Inlet Pipe - Designed to maximize performance for Dynamic+ Stage 3 Hybrid Turbo Tuning Software - 034Motorsport - Audi

Designed to maximize performance for Dynamic+ Stage 3 Hybrid Turbo Tuning Software 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4642915
Mfg#:
034-108-5036
In Stock
$180.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Pad Set (EUR1894)

ES#4714799 - 8W0698151N - Front Brake Pad Set (EUR1894) - Composite pads that are a great solution for your daily driver. - Akebono - Audi

Composite pads that are a great solution for your daily driver.

Brand:
Akebono - Corporate Logo
ES#:
4714799
Mfg#:
8W0698151N
In Stock
$150.99

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

$114.99 USD
Free Shipping
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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Manufacturer names and/or part numbers are used only for identification purposes.

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