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Audi A4 Performance Parts & Upgrades

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ES#3570410 - VWR814100 - Racingline Billet Body Brace - Sharpen up your B9 Audi's handling response and steering feel! - Racingline - Audi

Sharpen up your B9 Audi's handling response and steering feel!

Brand:
Racingline - Corporate Logo
ES#:
3570410
Mfg#:
VWR814100
Ships in 3 Business Days
$558.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#250735 - ECS41054KT - Front Exact-Fit Stainless Steel Brake Lines - Front set of DOT-compliant lines for an improved pedal feel - ECS - Audi

Front set of DOT-compliant lines for an improved pedal feel 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
250735
Mfg#:
ECS41054KT
In Stock
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4690063 - MS100258 - APR Valve Spring Kit - Priced Per Spring - Lighter, stiffer, and supports higher revving! - APR - Audi Volkswagen

Lighter, stiffer, and supports higher revving! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4690063
Mfg#:
MS100258
Ships in 6 Business Days
11% off MSRP

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

$69.99

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

$61.99 USD
Free Shipping

Features 12.19" slotted rotors & red calipers - Provides balanced brake performance and style to compliment front big brake kits!

Brand:
Wilwood - Corporate Logo
ES#:
3701667
Mfg#:
140-14591-R
Ships on Nov 23, 2026
$1114.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3970173 - 034-603-0010 - Billet Aluminum Front Strut Brace  - Designed to limit lateral deflection from the strut towers and improve handling performance without sacrificing ride quality - 034Motorsport - Audi

Designed to limit lateral deflection from the strut towers and improve handling performance without sacrificing ride quality 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3970173
Mfg#:
034-603-0010
Ships in 3 Business Days
$554.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3218934 - 1125 1128 - 1125 STR.T Suspension Kit - Features Eibach Sport Springs and Koni STR.T shocks for ultimate entry-level performance - Koni - Audi

Features Eibach Sport Springs and Koni STR.T shocks for ultimate entry-level performance Fits avant models only

Brand:
Koni - Corporate Logo
ES#:
3218934
Mfg#:
1125 1128
Ships in 6 Business Days
ON SALE! SAVE 20%
$687.99

This product was last offered at the strikethrough price on
10-31-2026

$549.94 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2748187 - ECS10611KTWB1 - ECS Wheel Spacer & Bolt Kit - 7mm With Black Ball Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2748187
Mfg#:
ECS10611KTWB1
In Stock
$132.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#659 - 50396BSC -  Cup Kit - H&R Sport Springs With Bilstein Sport Shocks - Perfect combination of handling & ride quality - Assembled By ECS - Audi

Perfect combination of handling & ride quality 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
Fits Sedan models only. Up to VIN 8D-1-030000, split is in the 2001 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
659
Mfg#:
50396BSC
Ships in 4 Business Days
$1155.00

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

$1095.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#660 - 299961BSC -  Cup Kit - H&R Race Springs With Bilstein Sport Shocks - Aggressive looks with ultimate handling for your A4 Sedan - Assembled By ECS - Audi

Aggressive looks with ultimate handling for your A4 Sedan 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
Fits Sedan models only. Up to VIN 8D-1-030000, split is in the 2001 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
660
Mfg#:
299961BSC
Ships in 4 Business Days
$1155.00

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

$1095.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#5796 - 299961BSCLV - Cup Kit - H&R Race Springs With Bilstein Sport Shocks - Aggressive looks with ultimate handling - Assembled By ECS - Audi

Aggressive looks with ultimate handling 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
Fits Sedan models only. From VIN 8D-1-030000, split is in the 2001 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
5796
Mfg#:
299961BSCLV
Ships in 4 Business Days
$1155.00

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

$1095.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3476431 - 021460TMS03-02 - 12.5mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal 10X Entries Into Our F80 M3 Sweepstakes USE CODE TMS20 IN CART FOR BEST PRICE

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476431
Mfg#:
021460TMS03-02
In Stock
$182.99

This product was last offered at the strikethrough price on
05-14-2026

$151.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3183581 - 034-601-0038 - Billet Rear Subframe Mount Insert Kit - Maintain proper suspension geometry when cornering and reduce rear subframe movement - 034Motorsport - Audi

Maintain proper suspension geometry when cornering and reduce rear subframe movement 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3183581
Mfg#:
034-601-0038
Ships in 3 Business Days
$182.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Delivers more power, especially in the low and mid rev range while adding a deep sporty sound. For vehicles up through 2020

Brand:
Armytrix - Corporate Logo
ES#:
4616390
Mfg#:
AUB9-CD
Ships on Nov 23, 2026
$1090.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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