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Up To 25% off Audi B6 A4 1.8T ECS Essentials

It all starts with the essentials - Do it right, or do it twice.

ECS Essentials are a special blend of upgrades designed to fine tune, enhance appearance, or improve the performance of your Audi. From interior to exterior here is a list of our hottest products to help you achieve the next level.

Build it faster, build it stronger, build it with ECS.


Performance in Mind

Fits:
Audi B6 A4 1.8T 2002-2005

Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit
Complete set of DOT-compliant lines for an improved pedal feel
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 1402
Mfg#: B6A4SSBLK

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Availability:
In Stock
On SALE
$182.99

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

$177.50 USD
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This product is lifetime replacement eligible Lifetime Replacement
Front Exact-Fit Stainless Steel Brake Lines
Front set of DOT-compliant lines for an improved pedal feel
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 250735
Mfg#: ECS41054KT

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Availability:
In Stock
On SALE Save 15%
$98.99

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

$84.14 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
This product has been superseded to ES#3449971
Rear Exact-Fit Stainless Steel Brake Lines - (NO LONGER AVAILABLE)
Rear set of DOT-compliant lines for an improved pedal feel
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 248972
Mfg#: ECS41040KT
No longer available
ECS "Stage 4" Front Big Brake Kit - B5/B6/B7/C5
Enhance braking performance with this plug-and-play upgrade! Featuring massive 6-piston calipers, lightweight 2-piece brake rotors, and all components needed for installation.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: ECS - Corporate Logo
ES#: 1896
Mfg#: B5S4S4BBKRXS

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Availability:
In Stock
On SALE
$1999.99

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

$1899.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
Front Big Brake Kit - Stage 4 - 2-Piece Cross Drilled & Slotted Rotors (352x32) - (NO LONGER AVAILABLE)
Featuring <Font color='Blue'><B>Jazz Blue</B> </Font> 6 piston Porsche Cayenne calipers
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 4421
Mfg#: B5S4S4BBKBLUXS
No longer available
Front Big Brake Kit - Stage 4 - 2-Piece Cross Drilled & Slotted Rotors (352x32) - (NO LONGER AVAILABLE)
Featuring black 6 piston Porsche Cayenne calipers
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 4103
Mfg#: B5S4S4BBKBXS
No longer available
This product has been superseded to ES#4668385
Front Cross Drilled & Slotted Brake Rotors - Pair (288x25) - (NO LONGER AVAILABLE)
Featuring GEOMET® protective coating
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2189751
Mfg#: 8E0615301QKT7
No longer available
This product has been superseded to ES#4668386
Front Slotted Brake Rotors - Pair (288x25) - (NO LONGER AVAILABLE)
Featuring GEOMET� protective coating
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2189795
Mfg#: 8E0615301QKT8
No longer available
This product has been superseded to ES#4668237
Rear Cross Drilled & Slotted Brake Rotors - Pair (245x10) - (NO LONGER AVAILABLE)
Featuring GEOMET protective coating
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2550416
Mfg#: 8E0601PGMTXSLRA
No longer available
This product has been superseded to ES#4668238
Rear Slotted Brake Rotors - Pair (245x10) - (NO LONGER AVAILABLE)
Featuring GEOMET protective coating
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2550414
Mfg#: 8E0601PSLGMTLRA
No longer available
This product has been superseded to ES#4668232
Rear Slotted Brake Rotors - Pair (300x22) - (NO LONGER AVAILABLE)
Featuring GEOMET® protective coating.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2538856
Mfg#: 8E0601RSLTGMTLR
No longer available
RA4 240mm Clutch Conversion Kit - Stage 1
Lightweight flywheel with the S4 pressure plate and disc
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5488
Mfg#: ECSB6A4RA4S1KTST

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Availability:
Ships on Aug 11, 2026
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On SALE
$799.99

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

$775.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
RA4 240mm Clutch Conversion Kit - Stage 2
Lightweight flywheel with the RS4 pressure plate and disc
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5489
Mfg#: ECSB6A4RS4CCKSTL

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Availability:
Ships on Aug 11, 2026
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On SALE Save 10%
$1034.99

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

$931.49 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
RA4 240mm Clutch Conversion Kit - Stage 3
The Ultimate - Lightweight flywheel with the RS4 Stage 3 pressure plate and disc
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5490
Mfg#: B6A4RA4S3-STEEL

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Availability:
Ships on Aug 11, 2026
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$1418.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
RA4 Single Mass Flywheel Kit
Choose street smooth or track tough
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 12085
Mfg#: ECS212321B6KT

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Availability:
Ships on Aug 11, 2026
Auto Notify
On SALE Save 25%
$525.99

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

$394.49 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Magnetic Drain/Fill Plug - Priced Each
Capture harmful particles to prevent wear. M22x1.5
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2538104
Mfg#: 000857ECS01A

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Availability:
Ships on Aug 14, 2026
Auto Notify
On SALE Save 40%
$39.99

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

$23.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
This product has been superseded to ES#3660327
Magnetic Drain/Fill Plug - Priced Each
Capture harmful particles to prevent wear. M24x1.5
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 6998
Mfg#: 012301127FMAG
No longer available
Performance Snub Mount
Reduce driveline lash with a full polyurethane mount
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2718769
Mfg#: 004329ECS01A

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Availability:
In Stock
On SALE Save 30%
$74.99

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

$52.49 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Carbon Fiber Engine Cover - (NO LONGER AVAILABLE)
Handmade carbon fiber cover for a cleaner look
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 4309
Mfg#: CF02V04
No longer available
Coil Pack Hold Down Kit - Black
A creative & attractive solution for your coil pack "popping" problem
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 260956
Mfg#: ECS42725KT-A

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Availability:
Ships on Jul 14, 2026
Auto Notify
On SALE Save 10%
$121.99

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

$109.79 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Coil Pack Hold Down Kit - Red
A creative & attractive solution for your coil pack "popping" problem
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 1303016
Mfg#: ECS42725KT-ARED

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Availability:
In Stock
On SALE Save 10%
$121.99

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

$109.79 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Coil Pack Hold Down Kit - Silver
A creative & attractive solution for your coil pack "popping" problem
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 1303018
Mfg#: ECS4275KT-ASLV

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Availability:
In Stock
$116.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Fuel Pressure Gauge Kit
Great for custom tuning and easily installs on the pressure line
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5701
Mfg#: 000198500BLK-A

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Availability:
In Stock
On SALE
$65.99

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

$64.01 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle red conversion plate -w- red 2.0T coils
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2713404
Mfg#: 002598ECS17KT

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Availability:
In Stock
On SALE
$286.99

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

$278.38 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle red conversion plate and stainless still hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2731572
Mfg#: 002598ECS25KT

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Availability:
In Stock
On SALE Save 10%
$164.99

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

$148.49 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle black conversion plate -w- red 2.0T coils
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2713391
Mfg#: 002598ECS01KT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE
$286.99

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

$272.64 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle black conversion plate and stainless steel hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2731573
Mfg#: 002598ECS26KT

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Availability:
In Stock
On SALE Save 20%
$164.99

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

$131.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
2.0T Coil Pack Conversion Kit - Stage 1
Includes anodized black conversion plate -w- red 2.0T coils
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2713399
Mfg#: 002598ECS09KT

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Availability:
In Stock
On SALE
$286.99

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

$272.64 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
2.0T Coil Pack Conversion Kit - Stage 1
Includes anodized black conversion plate and stainless steel hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2731575
Mfg#: 002598ECS27KT

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Availability:
In Stock
On SALE Save 15%
$164.99

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

$140.24 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

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