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Audi A4 Performance Parts & Upgrades

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Gloss Black Front Lip Spoiler - Audi B8 A4 Pre-Facelift Non S-Line

ES#4487662 - 012441la01KT - Gloss Black Front Lip Spoiler - Audi B8 A4 Pre-Facelift Non S-Line - Raise the level of style on your B8 A4 Non S-Line with the ECS Tuning gloss black front lip spoiler. - ECS - Audi

Raise the level of style on your B8 A4 Non S-Line with the ECS Tuning gloss black front lip spoiler. 10X Entries For Our 25th Anniversary Sweepstakes!
Pre-Facelift Non S-Line Bumpers Only (2009-2012)

Brand:
ECS - Corporate Logo
ES#:
4487662
Mfg#:
012441LA01KT
In Stock
ON SALE! SAVE 20%
$359.99

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

$287.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Billet Adjustable Rear Sway Bar End Links

ES#4013533 - 034-402-4029 - Dynamic+ Billet Adjustable Rear Sway Bar End Links - Replace your flimsy, imprecise OEM sway bar end links - Designed to improve handling, road feel, and steering response! - 034Motorsport - Audi

Replace your flimsy, imprecise OEM sway bar end links - Designed to improve handling, road feel, and steering response!

Brand:
034Motorsport - Corporate Logo
ES#:
4013533
Mfg#:
034-402-4029
In Stock
$231.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Performance K04 Tune With POWERlink Cable

ES#3979092 - iesovt23 - IE Performance K04 Tune With POWERlink Cable - Average gain of 145 horsepower and 131 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 145 horsepower and 131 lb-ft of torque on 91 Octane 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3979092
Mfg#:
IESOVT23
In Stock
$828.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Conical Seat Stud Conversion Kit

ES#2804054 - 001467ECS01KT3 - Conical Seat Stud Conversion Kit - Make wheel changes faster and easier - ECS - Audi Volkswagen

Make wheel changes faster and easier 10X Entries For Our 25th Anniversary Sweepstakes!
For use with conical seat wheels and up to 10mm spacers only

Brand:
ECS - Corporate Logo
ES#:
2804054
Mfg#:
001467ECS01KT3
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$201.99

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

$181.79 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

3" High Flow Catalytic Converter

ES#2972520 - EXH-TDP-003-B7HF - 3" High Flow Catalytic Converter - Designed to seamlessly fit in place of factory catalytic converter - CTS - Audi

Designed to seamlessly fit in place of factory catalytic converter

Brand:
CTS - Corporate Logo
ES#:
2972520
Mfg#:
EXH-TDP-003-B7HF
Ships in 7 Business Days
ON SALE! SAVE 10%
$299.99

This product was last offered at the strikethrough price on
07-10-2026

$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Blow-Off Valve Kit - Black Valve

ES#3085837 - FMDVMK7A1 - Blow-Off Valve Kit - Black Valve - Cure your leaking diverter valve problems for good! - Forge - Audi Volkswagen Porsche

Cure your leaking diverter valve problems for good!

Brand:
Forge - Corporate Logo
ES#:
3085837
Mfg#:
FMDVMK7A1
Ships on Aug 7, 2026
Auto Notify
$349.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MQB Performance Fuel Lines

ES#4447345 - 201-0152 - MQB Performance Fuel Lines - Direct replacement from the fuel pump on the passenger side of the car to an aftermarket MPI system. - Precision Raceworks - Audi Volkswagen

Direct replacement from the fuel pump on the passenger side of the car to an aftermarket MPI system.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4447345
Mfg#:
201-0152
In Stock
$109.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TSI Billet Aluminum Fuel Rail

ES#4908335 - 044784LA01-02 - TSI Billet Aluminum Fuel Rail - Update & upgrade! Our exclusive, plug-and-play design features billet aluminum construction, ported passages, and "BH" intake manifold compatibility. - ECS - Audi Volkswagen

Update & upgrade! Our exclusive, plug-and-play design features billet aluminum construction, ported passages, and "BH" intake manifold compatibility. 10X Entries For Our 25th Anniversary Sweepstakes!
Up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
4908335
Mfg#:
044784LA01-02
In Stock
ON SALE! SAVE 20%
$469.99

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

$375.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MACH Force-Xp 3" 304 Stainless Steel Mid-Pipe With Resonator Delete

ES#4477610 - 49-36428 - MACH Force-Xp 3" 304 Stainless Steel Mid-Pipe With Resonator Delete - This system deletes the factory resonator and replaces it with 3 tubing to produces a moderate exhaust tone. - AFE - Audi

This system deletes the factory resonator and replaces it with 3” tubing to produces a moderate exhaust tone.

Brand:
AFE - Corporate Logo
ES#:
4477610
Mfg#:
49-36428
In Stock
20% off MSRP

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

$428.99

This product was last offered at the strikethrough price on
07-22-2026

$343.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Baffled Oil Catch Can System - Audi B8 A4/A5 2.0T

ES#2960610 - 004136ecs01KT - Performance Baffled Oil Catch Can System - Audi B8 A4/A5 2.0T - Keep your intake tract clean and carbon free - ECS - Audi

Keep your intake tract clean and carbon free 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with plastic intake manifolds

Brand:
ECS - Corporate Logo
ES#:
2960610
Mfg#:
004136ECS01KT
In Stock
ON SALE! SAVE 10%
$673.99

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

$606.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Motor Mount Kit - Street Density

ES#2893870 - 034-509-0007KT - Density Line Motor Mount Kit - Street Density - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi Volkswagen

Void-free and fluid-free, eliminating the slop associated with the factory mounts For vehicles without electronically monitored engine mounts.

Brand:
034Motorsport - Corporate Logo
ES#:
2893870
Mfg#:
034-509-0007KT
In Stock
$256.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" Downpipe

ES#2951864 - CTS-EXH-TDP-0005 - 3" Downpipe - T304 Stainless down pipe that installs directly after the factory catalytic converter - CTS - Audi

T304 Stainless down pipe that installs directly after the factory catalytic converter

Brand:
CTS - Corporate Logo
ES#:
2951864
Mfg#:
CTS-EXH-TDP-0005
In Stock
ON SALE! SAVE 15%
$399.99

This product was last offered at the strikethrough price on
07-10-2026

$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" High Flow Catalytic Converter

ES#2960017 - 034-105-4022 - 3" High Flow Catalytic Converter - complete drop-in upgrade will bolt up to stock/Stock Fit Turbo - 034Motorsport - Audi

complete drop-in upgrade will bolt up to stock/Stock Fit Turbo

Brand:
034Motorsport - Corporate Logo
ES#:
2960017
Mfg#:
034-105-4022
In Stock
$482.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Facelift Front Lip & Gloss Black Grille Accent Set

ES#4751232 - 027963ECS01EBKT - Audi B8.5 S4 / A4 S-Line Facelift Front Lip & Gloss Black Grille Accent Set - 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!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751232
Mfg#:
027963ECS01EBKT
In Stock
ON SALE! SAVE 34%
$649.08

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

$429.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Spoiler - Audi B8 A4 S-Line/S4

ES#3170969 - 006364ECS01A - Carbon Fiber Front Lip Spoiler - Audi B8 A4 S-Line/S4 - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling 10X Entries For Our 25th Anniversary Sweepstakes!

For S-Line models only up to the 2012 model year (Pre-Facelift)

Brand:
ECS - Corporate Logo
ES#:
3170969
Mfg#:
006364ECS01A
In Stock
ON SALE! SAVE 10%
$856.99

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

$771.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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