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Audi A4 Performance Parts & Upgrades

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ES#4004062 - CTS-EXH-CB-0019 - Cat-Back Exhaust System  - 3.0" tig welded T304 stainless steel with dual 4.0" polished stainless tips - CTS - Audi

3.0" tig welded T304 stainless steel with dual 4.0" polished stainless tips For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
CTS - Corporate Logo
ES#:
4004062
Mfg#:
CTS-EXH-CB-0019
Ships in 8 Business Days
ON SALE! SAVE 15%
$1199.99

This product was last offered at the strikethrough price on
09-29-2026

$1019.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2091944 - 10210030 - V1 Series Coilover System - The best balance between sporty driving and comfort - KW Suspension - Audi

The best balance between sporty driving and comfort Range of lowering is 1.4-2.5" in the front and 1.4-2.3" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2091944
Mfg#:
10210030
Ships in 5 Business Days
$2034.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3618559 - 034-604-7000  - 034Motorsport Wheel Spacer Pair - 5mm - Dual bolt pattern spacers designed to fit most VW/Audi vehicles with 5x112 and 5x100 bolt patterns and 57.1mm center bore - 034Motorsport - Audi Volkswagen

Dual bolt pattern spacers designed to fit most VW/Audi vehicles with 5x112 and 5x100 bolt patterns and 57.1mm center bore 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3618559
Mfg#:
034-604-7000
In Stock
$78.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3476922 - 023781ECS01-01 - Audi B9 Billet Tunnel Brace - Black - Replace your small and weak stamped brace with heavy-duty billet aluminum! - ECS - Audi

Replace your small and weak stamped brace with heavy-duty billet aluminum! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3476922
Mfg#:
023781ECS01-01
In Stock
ON SALE! SAVE 25%
$168.99

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

$126.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1876408 - 71361 - Rear Sway Bar - 24mm - Non-adjustable - H&R - Audi

Non-adjustable We Price Match - Give Us A Call or Chat!
Sedan Only

Brand:
H&R - Corporate Logo
ES#:
1876408
Mfg#:
71361
Ships in 4 Business Days
10% off MSRP

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

$449.00

This product was last offered at the strikethrough price on
11-05-2026

$404.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3146799 - ESK5752 - Power Stop Euro-Stop Premium Front Brake Kit (320mm) - A premium OE-equivalent front axle upgrade featuring ECE-R90 certified brake pads, genuine Geomet coated high-carbon smooth rotors, and an integrated electronic wear sensor. - Power Stop - Audi

A premium OE-equivalent front axle upgrade featuring ECE-R90 certified brake pads, genuine Geomet® coated high-carbon smooth rotors, and an integrated electronic wear sensor.

Brand:
Power Stop - Corporate Logo
ES#:
3146799
Mfg#:
ESK5752
In Stock
Limited Qty Sale
$245.99

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

$224.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3569526 - 018360ecs01KT - Carbon Fiber Grille Accent Set - Audi B8.5  - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling 10X Entries Into Our F80 M3 Sweepstakes

Fits Facelift models with S-Line(S4) front bumpers from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3569526
Mfg#:
018360ECS01KT
In Stock
ON SALE! SAVE 20%
$630.98

This product was last offered at the strikethrough price on
10-28-2026

$504.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Featuring black 6R six piston caliper and 12.88" GT drilled & slotted rotors - Delivers the ultimate combination for braking power and style!

Brand:
Wilwood - Corporate Logo
ES#:
3701616
Mfg#:
140-14487-D
Ships on Nov 23, 2026
$2015.99 USD
ES#3141741 - 019220ECS01A - Carbon Fiber Trunk Spoiler - Audi B9 A4/S4 - Add a touch of style and real carbon fiber to your Audi - ECS - Audi

Add a touch of style and real carbon fiber to your Audi 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3141741
Mfg#:
019220ECS01A
In Stock
ON SALE!
$500.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

The Turbo Systems hybrid turbocharger is an original turbocharger that has been reworked to suit larger compressor and turbine wheels, along with a ball bearing cartridge.

Brand:
Emmanuele Design - Corporate Logo
ES#:
4415827
Mfg#:
TS-B9-STG1
Ships in 2 Business Days
$2000.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4472379 - 02025-TD8R-S - 850 Series - Race w/flywheel - Designed for high-performance track driving capable of approximately 800tf. lbs - Clutch Masters - Audi

Designed for high-performance track driving capable of approximately 800tf. lbs

Brand:
Clutch Masters - Corporate Logo
ES#:
4472379
Mfg#:
02025-TD8R-S
Ships in 4 Business Days
$1988.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2695897 - 5055571SW - DRA Series Wheel Spacers (Black) - 25mm (1 Pair) - Fine tune your stance and improve handling - H&R - Audi Volkswagen

Fine tune your stance and improve handling We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2695897
Mfg#:
5055571SW
Ships in 4 Business Days
10% off MSRP

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

$169.99

This product was last offered at the strikethrough price on
10-01-2026

$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2167465 - 002411ECS01A08KT - ECS Wheel Spacers - 8mm (Pair) - Add some flair to your car with our new wheel spacers - ECS - Audi BMW Porsche

Add some flair to your car with our new wheel spacers 10X Entries Into Our F80 M3 Sweepstakes

Designed to be used with aftermarket wheels

Brand:
ECS - Corporate Logo
ES#:
2167465
Mfg#:
002411ECS01A08KT
In Stock
ON SALE! SAVE 10%
$95.99

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

$86.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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