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Audi Essential Performance Parts & Upgrades

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Audi B9 A4/A5 ECU Cover - Matte Black

ES#3739793 - 028799ECS01 - Audi B9 A4/A5 ECU Cover - Matte Black - Compliment your engine bay and hide away the exposed ECU - ECS - Audi

Compliment your engine bay and hide away the exposed ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3739793
Mfg#:
028799ECS01
Ships in 1 Business Day
ON SALE! SAVE 25%
$101.99

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

$76.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.0T Billet Boost Tap Assembly

ES#2718328 - 003621ECS01A - 2.0T Billet Boost Tap Assembly - Designed for the 2.0T engine, up to two boost tap points, and comes with necessary hardware - ECS - Audi Volkswagen

Designed for the 2.0T engine, up to two boost tap points, and comes with necessary hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with plastic intake manifolds

Brand:
ECS - Corporate Logo
ES#:
2718328
Mfg#:
003621ECS01A
In Stock
ON SALE! SAVE 30%
$96.99

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

$67.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Street Shield Tunnel Brace - 4Motion

ES#3221083 - 022446ecs01-02kt - Aluminum Street Shield Tunnel Brace - 4Motion - Reinforce your chassis while protecting costly undercarriage components - ECS - Audi Volkswagen

Reinforce your chassis while protecting costly undercarriage components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3221083
Mfg#:
022446ECS01-02KT
In Stock
ON SALE! SAVE 15%
$293.99

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

$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 A5 Sportback / A4 Allroad Valved Catback Exhaust (Non-Resonated) & Luft-Technik Intake System

ES#4876428 - 049075ECS01EBKT - B9 A5 Sportback / A4 Allroad Valved Catback Exhaust (Non-Resonated) & Luft-Technik Intake System - Max gains of +16 WHP and +17 WTQ when paired with ECS Intercooler/charge pipes and a stage 1 tune! - Enthusiast Bundles - Audi

Max gains of +16 WHP and +17 WTQ when paired with ECS Intercooler/charge pipes and a stage 1 tune! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits vehicles up to the 2019 model year WITHOUT MAF sensor - please verify prior to ordering.

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876428
Mfg#:
049075ECS01EBKT
In Stock
ON SALE! SAVE 15%
$2052.99

This product was last offered at the strikethrough price on
01-18-2026

$1749.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/8R Q5 3.0T Downpipe Back Exhaust

ES#4691144 - 039732LA01 - Audi B8/8R Q5 3.0T Downpipe Back Exhaust - Choose between Resonated or Non Resonated configurations along with your choice of exhaust tips and more! - ECS - Audi

Choose between Resonated or Non Resonated configurations along with your choice of exhaust tips and more! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4691144
Mfg#:
039732LA01
In Stock
ON SALE!
Starting at $1671.38 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Ultimate Audi B9 Street Shield Kit

ES#3612458 - 019207ecs01KT5 - ECS Tuning Ultimate Audi B9 Street Shield Kit - Get the ultimate under body protection for your B9! - ECS - Audi

Get the ultimate under body protection for your B9! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3612458
Mfg#:
019207ECS01KT5
In Stock
ON SALE!
$1024.99

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

$994.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8Y RS3 Luft-Technik Intake System

ES#4815909 - 046974LA01 - 8Y RS3 Luft-Technik Intake System - Flow increase of over 25% compared to stock and all the added turbo noises! - ECS - Audi

Flow increase of over 25% compared to stock and all the added turbo noises! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4815909
Mfg#:
046974LA01
Back Ordered
ON SALE!
Starting at $827.68 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

D4 S8 4.0T Cat-Back Exhaust

ES#4849835 - 041823LA03 - D4 S8 4.0T Cat-Back Exhaust - Enhance the exhaust note on your 4.0T with our in-house engineered cat-back! Choose between resonated or non-resonated midpipes to dial in your perfect sound! - ECS - Audi

Enhance the exhaust note on your 4.0T with our in-house engineered cat-back! Choose between resonated or non-resonated midpipes to dial in your perfect sound! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4849835
Mfg#:
041823LA03
Ships on Jul 20, 2026
ON SALE!
Starting at $1649.58 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S5 Coupe/Cabriolet 3.0T Valved Exhaust System

ES#4658162 - 016752LA01 - Audi B9 S5 Coupe/Cabriolet 3.0T Valved Exhaust System - ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience - ECS - Audi

ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits up to 2022 model years

Brand:
ECS - Corporate Logo
ES#:
4658162
Mfg#:
016752LA01
In Stock
ON SALE!
Starting at $988.97 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 Carbon Fiber Antenna Cover

ES#3468626 - 024985ECS01 - Audi B9 Carbon Fiber Antenna Cover - Add a unique, lightweight look to your B9 - ECS - Audi

Add a unique, lightweight look to your B9 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3468626
Mfg#:
024985ECS01
Ships in 9 Business Days
Auto Notify
ON SALE! SAVE 17%
$98.99

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

$82.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B9 A5/S5/Allroad Lowering Spring Set

ES#4714525 - 051218LA01-A - B9 A5/S5/Allroad Lowering Spring Set - Dramatically improve looks and handling with and average lowering up to 1.4" front and rear. - ECS - Audi

Dramatically improve looks and handling with and average lowering up to 1.4" front and rear. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits both coupe and sportback models

Brand:
ECS - Corporate Logo
ES#:
4714525
Mfg#:
051218LA01-A
In Stock
ON SALE!
$285.99

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

$271.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK5 R32 / MK6 Golf R Front and Rear Adjustable Sway Bar Upgrade Kit

ES#4488051 - 004174LB01-02KT - MK5 R32 / MK6 Golf R Front and Rear Adjustable Sway Bar Upgrade Kit - Reduce body roll and enhance handling with our complete front & rear sway bar package - ECS - Audi Volkswagen

Reduce body roll and enhance handling with our complete front & rear sway bar package affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4488051
Mfg#:
004174LB01-02KT
In Stock
ON SALE!
$677.73

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

$657.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Tunnel Street Shield Aluminum Skid Plate Kit

ES#3610307 - 023780ecs02KT - ECS Tuning Tunnel Street Shield Aluminum Skid Plate Kit - Protect your vehicle's tunnel and improve aerodynamics - ECS - Audi

Protect your vehicle's tunnel and improve aerodynamics affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits Manual and DSG Transmissions

Brand:
ECS - Corporate Logo
ES#:
3610307
Mfg#:
023780ECS02KT
In Stock
ON SALE! SAVE 10%
$327.99

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

$296.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 S4/S5 Carbon Fiber Left Side Engine Bay Cover

ES#3570284 - 023149ecs02KT - Audi B8/B8.5 S4/S5 Carbon Fiber Left Side Engine Bay Cover - Cover up unsightly under hood components with carbon fiber style! - ECS - Audi

Cover up unsightly under hood components with carbon fiber style! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3570284
Mfg#:
023149ECS02KT
Ships on Jun 25, 2026
Auto Notify
ON SALE! SAVE 15%
$236.99

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

$201.36 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8Y RS3 High Flow Charge Pipe Kit - Carbon Fiber

ES#4715087 - 048056laKT - 8Y RS3 High Flow Charge Pipe Kit - Carbon Fiber - Improve airflow, improve turbo efficiency, shed weight and gain power with our High Flow Charge Pipe Kit! - ECS - Audi

Improve airflow, improve turbo efficiency, shed weight and gain power with our High Flow Charge Pipe Kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4715087
Mfg#:
048056LAKT
In Stock
ON SALE! SAVE 40%
$614.99

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

$368.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own Audi B8 / B8.5 A5 2.0T Valved Cat Back Exhaust System

ES#4780655 - 041626LA01 - Build Your Own Audi B8 / B8.5 A5 2.0T Valved Cat Back Exhaust System - Choose your own configuration along with your choice of exhaust tips and more! - ECS - Audi

Choose your own configuration along with your choice of exhaust tips and more! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4780655
Mfg#:
041626LA01
In Stock
ON SALE!
Starting at $735.54 USD
Customize
This product is lifetime replacement eligible Lifetime Replacement

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