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Audi A4 Performance Parts & Upgrades

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Performance Lightweight Flywheel Kit - Stage 2 Daily Clutch Kit & Driveshaft Center Support

ES#4751564 - 003485ECS01EB5KT - Performance Lightweight Flywheel Kit - Stage 2 Daily Clutch Kit & Driveshaft Center Support - ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 375ft/lbs - Enthusiast Bundles - Audi

ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 375ft/lbs Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
From VIN 8K-9-066500, split is in the 2009 model year

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751564
Mfg#:
003485ECS01EB5KT
Ships on Sep 25, 2026
Auto Notify
ON SALE! SAVE 12%
$3188.80

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

$2799.00 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Performance Lightweight Flywheel Kit - Stage 2 Endurance & Driveshaft Center Support

ES#4751551 - 003485ECS01EB2KT - Performance Lightweight Flywheel Kit - Stage 2 Endurance & Driveshaft Center Support - ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 440ft/lbs - Enthusiast Bundles - Audi

ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 440ft/lbs Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
Up to VIN 8K-9-066499, split is in the 2009 model year

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751551
Mfg#:
003485ECS01EB2KT
Ships on Sep 25, 2026
Auto Notify
ON SALE!
$3338.80

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

$3099.00 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

MST Performance Cold Air Intake System

Improves throttle response, and peak power while adding a glorious and aggressive tone under the hood. Fits models up through the 2012 model year (Pre-Facelift)

Brand:
MST Performance - Corporate Logo
ES#:
4430977
Mfg#:
AD-A401
Special Order: No Guaranteed ETA
$409.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MST Performance Cold Air Intake System

Improves throttle response, and peak power while adding a glorious and aggressive tone under the hood. Fits models from the 2013 model year (Facelift)

Brand:
MST Performance - Corporate Logo
ES#:
4430978
Mfg#:
AD-A402
Special Order: No Guaranteed ETA
$409.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RA4 240mm Clutch Conversion Kit - Stage 3, Driveshaft Center Support Bearing Carrier & Rear Differential Mount

ES#4751082 - RA4S3-STEELEBKT - RA4 240mm Clutch Conversion Kit - Stage 3, Driveshaft Center Support Bearing Carrier & Rear Differential Mount - ECS RA4 Lightweight Flywheel with the Clutch Masters Stage 3 clutch kit - Enthusiast Bundles - Audi Volkswagen

ECS RA4 Lightweight Flywheel with the Clutch Masters Stage 3 clutch kit Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751082
Mfg#:
RA4S3-STEELEBKT
Ships on Oct 5, 2026
Auto Notify
ON SALE! SAVE 13%
$1886.61

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

$1639.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

RA4 240mm Clutch Conversion Kit - Stage 2, Driveshaft Center Support Bearing Carrier & Rear Differential Mount

ES#4751083 - RA4S2-STEELEBKT - RA4 240mm Clutch Conversion Kit - Stage 2, Driveshaft Center Support Bearing Carrier & Rear Differential Mount - ECS RA4 Lightweight Flywheel with the Audi RS4 clutch kit - Enthusiast Bundles - Audi Volkswagen

ECS RA4 Lightweight Flywheel with the Audi RS4 clutch kit Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751083
Mfg#:
RA4S2-STEELEBKT
Ships on Oct 5, 2026
Auto Notify
ON SALE! SAVE 18%
$1581.99

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

$1299.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

RA4 240mm Clutch Conversion Kit - Stage 3, Driveshaft Center Support Bearing Carrier & Rear Differential Mount

ES#4751078 - B6A4RA4S3STLEBKT - RA4 240mm Clutch Conversion Kit - Stage 3, Driveshaft Center Support Bearing Carrier & Rear Differential Mount - The Ultimate - Lightweight flywheel with the RS4 Stage 3 pressure plate and disc - Enthusiast Bundles - Audi

The Ultimate - Lightweight flywheel with the RS4 Stage 3 pressure plate and disc Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751078
Mfg#:
B6A4RA4S3STLEBKT
Ships on Oct 5, 2026
Auto Notify
ON SALE!
$1711.62

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

$1549.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

RA4 240mm Clutch Conversion Kit - Stage 1, Driveshaft Center Support Bearing Carrier & Rear Differential Mount

ES#4751085 - RA4S1-STEELEBKT - RA4 240mm Clutch Conversion Kit - Stage 1, Driveshaft Center Support Bearing Carrier & Rear Differential Mount - ECS RA4 Lightweight Flywheel with the Audi S4 clutch kit - Enthusiast Bundles - Audi Volkswagen

ECS RA4 Lightweight Flywheel with the Audi S4 clutch kit Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751085
Mfg#:
RA4S1-STEELEBKT
Ships on Oct 5, 2026
Auto Notify
ON SALE! SAVE 23%
$1422.61

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

$1099.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

LED Overhead Lighting Kit - Red

ES#3183662 - 019396ECS01KT7 - LED Overhead Lighting Kit - Red - Transform your dome lamp lighting with these new LED bulbs from Ziza - ZiZa - Audi

Transform your dome lamp lighting with these new LED bulbs from Ziza 10X Entries For Our 25th Anniversary Sweepstakes!
Does not include LED bulbs for the vanity mirrors

Brand:
ZiZa - Corporate Logo
ES#:
3183662
Mfg#:
019396ECS01KT7
Ships on Nov 12, 2026
ON SALE! SAVE 10%
$54.99

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

$49.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B8 Suspension Cup-Kit

ES#4779912 - 24-274876KT - B8 Suspension Cup-Kit - B8 Performance Plus dampers paired with H&R Sport Springs - Assembled By ECS - Audi

B8 Performance Plus dampers paired with H&R Sport Springs 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with sport suspension and without electronic suspension (49mm diameter strut)

Brand:
Assembled By ECS - Corporate Logo
ES#:
4779912
Mfg#:
24-274876KT
Ships on Nov 27, 2026
$1285.00

This product was last offered at the strikethrough price on
07-01-2026

$1131.99 USD
This product is lifetime replacement eligible Lifetime Replacement

H&R Sport Spring & Bilstein Sport Shocks Combo

ES#1138 - 299891BSC - H&R Sport Spring & Bilstein Sport Shocks Combo - Perfect combination of handing & ride quality, - Assembled By ECS - Audi

Perfect combination of handing & ride quality, 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
1138
Mfg#:
299891BSC
Ships on Dec 4, 2026
$1155.00

This product was last offered at the strikethrough price on
07-01-2026

$1095.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Brake Rotors - Set (345x30 / 300x22)

Featuring a protective Meyle Platinum coating. 2X Entries For Our 25th Anniversary Sweepstakes!
Replacement rotors for vehicles with the Stage 1 Big Brake Kit

Brand:
Meyle - Corporate Logo
ES#:
5491045
Mfg#:
8E0615301XKT
Ships on Dec 4, 2026
$307.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Kit - Stage 1 - Slotted Rotors (345x30)

ES#2215371 - 8K06983BBK - Front Big Brake Kit - Stage 1 - Slotted Rotors (345x30) - Upgrade to the stopping power of the Audi S4/5. Features ECS GEOMET brake rotors. - Assembled By ECS - Audi

Upgrade to the stopping power of the Audi S4/5. Features ECS GEOMET brake rotors. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2215371
Mfg#:
8K06983BBK
Ships on Jan 19, 2027
ON SALE!
$809.96

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

$737.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Kit - Stage 1 - Plain Rotors (345x30)

ES#2215359 - 8K06983BBK - Front Big Brake Kit - Stage 1 - Plain Rotors (345x30) - Upgrade to the stopping power of the Audi S4/5 - Assembled By ECS - Audi

Upgrade to the stopping power of the Audi S4/5 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2215359
Mfg#:
8K06983BBK
Ships on Jan 19, 2027
Auto Notify
ON SALE!
$584.99

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

$530.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Kit - Stage 1 - Dimpled & Slotted Rotors (345x30)

ES#2215370 - 8K06983BBK - Front Big Brake Kit - Stage 1 - Dimpled & Slotted Rotors (345x30) - Upgrade to the stopping power of the Audi S4/5. Features ECS V5 brake rotors. - Assembled By ECS - Audi

Upgrade to the stopping power of the Audi S4/5. Features ECS V5 brake rotors. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2215370
Mfg#:
8K06983BBK
Ships on Jan 19, 2027
ON SALE!
$867.99

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

$791.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Kit - Stage 1 - 2-Piece Tru-Float Scalloped Rotors (345x30)

ES#2857731 - 003523ECS01KT - Front Big Brake Kit - Stage 1 - 2-Piece Tru-Float Scalloped Rotors (345x30) - Upgrade to the stopping power of the Audi S4/5 with Tru-Float scalloped style rotors - ECS - Audi

Upgrade to the stopping power of the Audi S4/5 with Tru-Float scalloped style rotors 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2857731
Mfg#:
003523ECS01KT
Ships on Jan 19, 2027
ON SALE!
$1507.99

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

$1462.75 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.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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