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Audi A4 Essential Performance Parts & Upgrades

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Billet Intake Manifold Plug & Boost Tap

ES#3432304 - 034-145-Z009 - Billet Intake Manifold Plug & Boost Tap - Designed for use with custom PCV, aftermarket catch can setups, or boost gauges. - 034Motorsport - Audi Volkswagen

Designed for use with custom PCV, aftermarket catch can setups, or boost gauges.

Brand:
034Motorsport - Corporate Logo
ES#:
3432304
Mfg#:
034-145-Z009
In Stock
ON SALE! SAVE 10%
$53.00

This product was last offered at the strikethrough price on
06-28-2026

$47.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Engine Cover Kit

ES#3509780 - 016308ECS01-04KT - Carbon Fiber Engine Cover Kit - Add a flash of style and elegance under your hood with an ECS Tuning Carbon Fiber Engine Cover - ECS - Audi

Add a flash of style and elegance under your hood with an ECS Tuning Carbon Fiber Engine Cover 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3509780
Mfg#:
016308ECS01-04KT
Ships in 3 Business Days
ON SALE! SAVE 10%
$454.80

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

$409.32 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing With Removal Tool - Polished

ES#2730471 - 003602ECSKTA03AK - Billet Aluminum Oil Filter Housing With Removal Tool - Polished - Aluminum replacement for plastic OE filter housing with 36mm socket - Assembled By ECS - Audi Volkswagen

Aluminum replacement for plastic OE filter housing with 36mm socket 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2730471
Mfg#:
003602ECSKTA03AK
Ships on Sep 23, 2026
Auto Notify
ON SALE! SAVE 13%
$175.99

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

$152.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing Hook-Up - Audi 3.0T & 3.2L

ES#3137351 - 002292ECS01AKT - Billet Aluminum Oil Filter Housing Hook-Up - Audi 3.0T & 3.2L - Includes free Hengst Oil Filter with purchase of ECS Billet Oil Filter Housing - Limited time only! - Assembled By ECS - Audi

Includes free Hengst Oil Filter with purchase of ECS Billet Oil Filter Housing - Limited time only! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3137351
Mfg#:
002292ECS01AKT
In Stock
ON SALE!
$144.99

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

$144.51 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Engine Street Shield Hardware Kit

ES#3468577 - 019207ECS02KT - Engine Street Shield Hardware Kit - Replacement hardware kit for your front location ECS Street Shield - ECS - Audi

Replacement hardware kit for your front location ECS Street Shield 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3468577
Mfg#:
019207ECS02KT
In Stock
ON SALE! SAVE 10%
$90.99

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

$81.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Magnetic Drain Plug - Priced Each

ES#3551002 - VWR180000 - Billet Magnetic Drain Plug - Priced Each - Capture harmful particles to prevent wear. M14x1.5 - Racingline - Audi Volkswagen MINI Porsche

Capture harmful particles to prevent wear. M14x1.5

Brand:
Racingline - Corporate Logo
ES#:
3551002
Mfg#:
VWR180000
Ships in 5 Business Days
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Boost Tap Kit

ES#3221034 - 019935ECS01 - Billet Boost Tap Kit - Taps in between manifold vacuum line to create a boost reference source - Includes clamps - ECS - Audi Volkswagen

Taps in between manifold vacuum line to create a boost reference source - Includes clamps 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3221034
Mfg#:
019935ECS01
In Stock
Limited Qty Sale
$47.99

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

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Street Shield Skid Plate Hardware Kit

ES#3493176 - 003251ECS01KT - Engine Street Shield Skid Plate Hardware Kit - Replacement hardware kit for your ECS Engine Street Shield - ECS - Audi

Replacement hardware kit for your ECS Engine Street Shield 10X Entries For Our 25th Anniversary Sweepstakes!
Fits up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3493176
Mfg#:
003251ECS01KT
In Stock
ON SALE! SAVE 20%
$94.21

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

$75.37 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing - Polished

ES#3106650 - 005887ECS03KT - Billet Aluminum Oil Filter Housing - Polished - Ditch the easily broken/stripped plastic oil filter housing for a durable billet upgrade - ECS - Audi

Ditch the easily broken/stripped plastic oil filter housing for a durable billet upgrade 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3106650
Mfg#:
005887ECS03KT
In Stock
ON SALE! SAVE 20%
$129.99

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

$103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing - Black Anodized

ES#3106648 - 005887ecs01KT - Billet Aluminum Oil Filter Housing - Black Anodized - Ditch the easily broken/stripped plastic oil filter housing for a durable billet upgrade - ECS - Audi

Ditch the easily broken/stripped plastic oil filter housing for a durable billet upgrade 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3106648
Mfg#:
005887ECS01KT
Ships on Dec 17, 2026
ON SALE! SAVE 20%
$126.99

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

$101.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B6 A4 1.8T Performance Baffled Oil Catch Can System - 8 oz.

ES#4906657 - 053538LA04KT - B6 A4 1.8T Performance Baffled Oil Catch Can System - 8 oz. - Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. - ECS - Audi

Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-3-500001, split is in the 2003 model year.

Brand:
ECS - Corporate Logo
ES#:
4906657
Mfg#:
053538LA04KT
In Stock
ON SALE! SAVE 15%
$676.99

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

$575.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Manifold Port Boost Tap Kit

ES#3136138 - 013576ECS01KT2 - Manifold Port Boost Tap Kit - Installs in the unused port of the intake manifold. Features three vacuum ports for multiple boost / vacuum references. - ECS - Audi

Installs in the unused port of the intake manifold. Features three vacuum ports for multiple boost / vacuum references. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3136138
Mfg#:
013576ECS01KT2
In Stock
ON SALE! SAVE 20%
$88.99

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

$71.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B6 A4 1.8T Performance Baffled Oil Catch Can System - 6 oz.

ES#4906656 - 053538la03KT - B6 A4 1.8T Performance Baffled Oil Catch Can System - 6 oz. - Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. - ECS - Audi

Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-3-500001, split is in the 2003 model year.

Brand:
ECS - Corporate Logo
ES#:
4906656
Mfg#:
053538LA03KT
In Stock
ON SALE! SAVE 20%
$676.99

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

$541.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Engine Cover Kit & Performance Ignition Coils

ES#4751076 - 016308ECS010EBKT - Carbon Fiber Engine Cover Kit & Performance Ignition Coils - Add a flash of style and elegance under your hood with an ECS Tuning Carbon Fiber Engine Cover - Enthusiast Bundles - Audi

Add a flash of style and elegance under your hood with an ECS Tuning Carbon Fiber Engine Cover Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751076
Mfg#:
016308ECS010EBKT
Ships in 3 Business Days
ON SALE! SAVE 15%
$577.14

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

$490.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Street Shield Skid Plate Hardware Kit

ES#3470642 - 017881ecs01KT2 - Transmission Street Shield Skid Plate Hardware Kit - Replacement hardware kit for your ECS Transmission Street Shield - ECS - Audi

Replacement hardware kit for your ECS Transmission Street Shield 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3470642
Mfg#:
017881ECS01KT2
Ships in 4 Business Days
ON SALE! SAVE 10%
$124.99

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

$112.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

No Holes License Plate Bracket Kit

ES#3089102 - 0002S-AU1-50 - No Holes License Plate Bracket Kit - Avoid drilling holes in your bumper by utilizing a tow hook mounted plate bracket - GMG Motorsports - Audi

Avoid drilling holes in your bumper by utilizing a tow hook mounted plate bracket

Brand:
GMG Motorsports - Corporate Logo
ES#:
3089102
Mfg#:
0002S-AU1-50
In Stock
Limited Qty Sale
$79.99

This product was last offered at the strikethrough price on
05-25-2026

$71.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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