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Audi A4 Performance Parts & Upgrades

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ES#2500623 - 50361-558240SPKI - Koni Sport Shocks & H&R Lowering Springs Cup Kit - Improve the way your Audi responds on the road - Assembled By ECS - Audi

Improve the way your Audi responds on the road 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
Not For Vehicles With S-Line Suspension

Brand:
Assembled By ECS - Corporate Logo
ES#:
2500623
Mfg#:
50361-558240SPKI
In Stock at Vendor
ON SALE!
$1354.99

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

$1249.93 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5797 - 50396BSCLV -  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. From VIN 8D-1-030000, split is in the 2001 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
5797
Mfg#:
50396BSCLV
Ships in 4 Business Days
ON SALE!
$1143.00

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

$1050.66 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1075 - 299962BSC -  Cup Kit - H&R Race Springs With Bilstein Sport Shocks - Aggressive looks with ultimate handling for your A4 Avant - Assembled By ECS - Audi

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

Brand:
Assembled By ECS - Corporate Logo
ES#:
1075
Mfg#:
299962BSC
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#2708055 - 29996-2KT - 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 Avant models only. From VIN 8D-1-030001, split is in the 2001 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2708055
Mfg#:
29996-2KT
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#2966513 - 82401279KT - Koni Sport Shocks & H&R Lowering Springs Cup Kit - Improve the way your Audi responds on the road - Assembled By ECS - Audi

Improve the way your Audi responds on the road 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
For Vehicles With S-Line Suspension

Brand:
Assembled By ECS - Corporate Logo
ES#:
2966513
Mfg#:
82401279KT
In Stock at Vendor
$1368.92

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

$1303.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5375533 - S-08-DS - DS Series Coilover Suspension Kit - B4/B5 Audi A4 / C5 A6 FWD - BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. - BC Racing - Audi

BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback.

Brand:
BC Racing - Corporate Logo
ES#:
5375533
Mfg#:
S-08-DS
Ships in 6 Business Days
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3677182 - S-01E-BR - BR Series Coilover Suspension Kit - Extreme Low  - Featuring 30 levels of adjustment and performance spring rates and valving - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving Please allow 4-6 weeks for build time

Brand:
BC Racing - Corporate Logo
ES#:
3677182
Mfg#:
S-01E-BR
Ships on Jan 8, 2027
$1345.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4601 - B5A4QBSCLV -  Shocks & Struts Set - Sport - Recommended for vehicles with lowering springs - Bilstein - Audi

Recommended for vehicles with lowering springs 10X Entries Into Our F80 M3 Sweepstakes

From VIN 8D-1-030000, split is in the 2001 model year

Brand:
Bilstein - Corporate Logo
ES#:
4601
Mfg#:
B5A4QBSCLV
Ships in 4 Business Days
$756.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4743090 - 8234-4M-700 - BFI Complete Replacement Shift Paddles - Audi 4M - Clear Anodized - Designed for enthusiasts to give both an improved feel and better paddle access across a larger degree of the steering wheel. - Black Forest Industries - Audi

Designed for enthusiasts to give both an improved feel and better paddle access across a larger degree of the steering wheel.

Brand:
Black Forest Industries - Corporate Logo
ES#:
4743090
Mfg#:
8234-4M-700
Ships on Dec 1, 2026
$314.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4415723 - JB4-Gen3-190 - Burger Motorsports JB4 Tuner - Features CAN-Bus connectivity for more advanced tuning  gain up to 30whp and 45lb-ft. of torque - Burger Motorsports - Audi

Features CAN-Bus connectivity for more advanced tuning — gain up to 30whp and 45lb-ft. of torque Not for sale or use in the state of California.
Fits 190hp models only

Brand:
Burger Motorsports - Corporate Logo
ES#:
4415723
Mfg#:
JB4-GEN3-190
Ships on Nov 24, 2026
$479.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5504433 - CC31020 - MFD15 Multi Function Display - 2.8" Gen2 (LHD/RHD) - CANchecked digital display solution designed for enthusiasts and tuners who need a compact, configurable way to monitor critical engine and vehicle data. - CANchecked - Audi

CANchecked digital display solution designed for enthusiasts and tuners who need a compact, configurable way to monitor critical engine and vehicle data.

Brand:
CANchecked
ES#:
5504433
Mfg#:
CC31020
Ships in 4 Business Days
$564.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5504431 - CC51012 - MFD15 Multi Function Display - 1.5" Gen2 (LHD/RHD) - CANchecked digital display solution designed for enthusiasts and tuners who need a compact, configurable way to monitor critical engine and vehicle data. - CANchecked - Audi

CANchecked digital display solution designed for enthusiasts and tuners who need a compact, configurable way to monitor critical engine and vehicle data.

Brand:
CANchecked
ES#:
5504431
Mfg#:
CC51012
Ships in 4 Business Days
$389.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4819281 - CTS-HW-0420RFUEL - CTS Turbo Intake Manifold With Port Injection - Increase Air and Fuel Flow with this CTS Kit! - CTS - Audi Volkswagen

Increase Air and Fuel Flow with this CTS Kit!

Brand:
CTS - Corporate Logo
ES#:
4819281
Mfg#:
CTS-HW-0420RFUEL
Ships in 8 Business Days
ON SALE! SAVE 10%
$989.99

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

$890.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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