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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Essential Performance Parts & Upgrades

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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 Into Our F80 M3 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

Audi B9 Engine Bay Block Off Plugs - Set

ES#3667767 - 026829ECS01 - Audi B9 Engine Bay Block Off Plugs - Set - Keep your engine bay clean and pristine! - ECS - Audi

Keep your engine bay clean and pristine! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3667767
Mfg#:
026829ECS01
In Stock
ON SALE! SAVE 89%
$45.99

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

$4.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing - Silver Anodized

ES#3106649 - 005887ECS02KT - Billet Aluminum Oil Filter Housing - Silver 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 Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3106649
Mfg#:
005887ECS02KT
In Stock
ON SALE!
$126.99

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

$123.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Housing Hook-Up - Polished

ES#3137380 - 005887ECS01KT3 - Billet Aluminum Oil Filter Housing Hook-Up - Polished - 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 Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3137380
Mfg#:
005887ECS01KT3
In Stock
ON SALE! SAVE 19%
$137.99

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

$112.14 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Billet Aluminum Oil Filter Housing Hook-Up - Silver Anodized

ES#3137379 - 005887ECS01KT2 - Billet Aluminum Oil Filter Housing Hook-Up - Silver Anodized - 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 Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3137379
Mfg#:
005887ECS01KT2
In Stock
ON SALE!
$137.99

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

$135.97 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Front Strut Tower Cover Kit - Left

ES#4783266 - 8w0806583cKT - Front Strut Tower Cover Kit - Left - Keep your engine bay clean and looking good! - Genuine Volkswagen Audi - Audi

Keep your engine bay clean and looking good!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4783266
Mfg#:
8W0806583CKT
Ships in 1-2 days
$40.99

This product was last offered at the strikethrough price on
08-31-2026

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Kohlefaser Luft-Technik Intake System Reflect-A-Gold Kit

ES#3221001 - 020870ecs01KT - Kohlefaser Luft-Technik Intake System Reflect-A-Gold Kit - Pre-cut DEI Reflect-a-Gold to apply directly to your new Kohlefaser Luft-Technik Intake System - ECS - Audi

Pre-cut DEI Reflect-a-Gold to apply directly to your new Kohlefaser Luft-Technik Intake System 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3221001
Mfg#:
020870ECS01KT
In Stock
ON SALE! SAVE 25%
$46.99

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

$35.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thrust Arm Monoball Upgrade Kit - Front Lower, Inner & B9 A4 / S4 Lowering Spring Set

ES#4876603 - 051204LA01EBKT - Thrust Arm Monoball Upgrade Kit - Front Lower, Inner & B9 A4 / S4 Lowering Spring Set - Eliminate deflection caused by stock rubber bushings and Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. - Enthusiast Bundles - Audi

Eliminate deflection caused by stock rubber bushings and Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876603
Mfg#:
051204LA01EBKT
In Stock
ON SALE! SAVE 13%
$747.46

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

$652.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

ECS B9 A4 / S4 Lowering Spring Set *Scratch And Dent*

ES#5515945 - 051204LA01-ASD - ECS B9 A4 / S4 Lowering Spring Set *Scratch And Dent* - ***Please see photos and description prior to ordering, all sales final.*** Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. - Scratch & Dent - Audi

***Please see photos and description prior to ordering, all sales final.*** Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5515945
Mfg#:
051204LA01-ASD
In Stock
Limited Qty Sale
$237.99

This product was last offered at the strikethrough price on
10-03-2026

$168.99 USD
Free Shipping

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