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Up To 25% off Audi B5 S4 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 B5 S4 2000-2002

‹ ›
ES#1162 - B5QSSBLK - Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit - Complete set of DOT-compliant lines for an improved pedal feel - ECS - Audi
Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit
Complete set of DOT-compliant lines for an improved pedal feel
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 1162
Mfg#: B5QSSBLK

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Availability:
In Stock
On SALE
$212.99

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

$202.34 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#758 - FFSS310MM KIT - Front Exact-Fit Stainless Steel Brake Lines - Front set of DOT-compliant lines for an improved pedal feel - ECS -
Front Exact-Fit Stainless Steel Brake Lines
Front set of DOT-compliant lines for an improved pedal feel
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 758
Mfg#: FFSS310MM KIT
No longer available
ES#3450991 - 024677ECS01 - Mid Exact-Fit Stainless Steel Brake Lines - Mid set of DOT-compliant lines for an improved pedal feel - ECS - Audi
Mid Exact-Fit Stainless Steel Brake Lines
Mid set of DOT-compliant lines for an improved pedal feel
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3450991
Mfg#: 024677ECS01

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Availability:
In Stock
On SALE Save 15%
$93.99

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

$79.89 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#8828 - ecs41010kt - Rear Exact-Fit Stainless Steel Brake Lines - Rear set of DOT-compliant lines for an improved pedal feel - ECS - Audi
Rear Exact-Fit Stainless Steel Brake Lines
Rear set of DOT-compliant lines for an improved pedal feel
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 8828
Mfg#: ECS41010KT

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Availability:
In Stock
On SALE Save 25%
$94.99

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

$71.24 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#538 - B5S4SSBLK-REAR - Rear Exact-Fit Stainless Steel Brake Lines - Four Piece - Mid & Rear set of DOT-compliant lines for an improved pedal feel - ECS - Audi
Rear Exact-Fit Stainless Steel Brake Lines - Four Piece
Mid & Rear set of DOT-compliant lines for an improved pedal feel
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 538
Mfg#: B5S4SSBLK-REAR

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Availability:
In Stock
On SALE Save 10%
$148.99

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

$134.09 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1896 - B5S4S4BBKRXS - 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. - ECS - Audi
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.
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: ECS - Corporate Logo
ES#: 1896
Mfg#: B5S4S4BBKRXS

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Availability:
In Stock
On SALE
$2039.99

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

$1937.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4421 - B5S4S4BBKBLUXS - Front Big Brake Kit - Stage 4 - 2-Piece Cross Drilled & Slotted Rotors (352x32) - (NO LONGER AVAILABLE) - Featuring Jazz Blue 6 piston Porsche Cayenne calipers - ECS -
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
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 4421
Mfg#: B5S4S4BBKBLUXS
No longer available
ES#4103 - B5S4S4BBKBXS - Front Big Brake Kit - Stage 4 - 2-Piece Cross Drilled & Slotted Rotors (352x32) - (NO LONGER AVAILABLE) - Featuring black 6 piston Porsche Cayenne calipers - ECS -
Front Big Brake Kit - Stage 4 - 2-Piece Cross Drilled & Slotted Rotors (352x32) - (NO LONGER AVAILABLE)
Featuring black 6 piston Porsche Cayenne calipers
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#4668251
ES#2189958 - 8E0301ADXGMTLRA - Front Cross Drilled & Slotted Brake Rotors - Pair (321x30) - (NO LONGER AVAILABLE) - Featuring GEOMET protective coating. - ECS -
Front Cross Drilled & Slotted Brake Rotors - Pair (321x30) - (NO LONGER AVAILABLE)
Featuring GEOMET® protective coating.
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2189958
Mfg#: 8E0301ADXGMTLRA
No longer available
This product has been superseded to ES#4668252
ES#2189960 - 8E0301ADSGMTLRA - Front Slotted Brake Rotors - Pair (321x30) - (NO LONGER AVAILABLE) - Featuring GEOMET protective coating. - ECS -
Front Slotted Brake Rotors - Pair (321x30) - (NO LONGER AVAILABLE)
Featuring GEOMET® protective coating.
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2189960
Mfg#: 8E0301ADSGMTLRA
No longer available
ES#3653 - B5S4S1RBBK-XS - Rear Big Brake Kit - Stage I - Cross Drilled & Slotted Rotors (306x22) - (NO LONGER AVAILABLE) - Upgrade your stopping power with larger two-piece rotors - ECS -
Rear Big Brake Kit - Stage I - Cross Drilled & Slotted Rotors (306x22) - (NO LONGER AVAILABLE)
Upgrade your stopping power with larger two-piece rotors
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3653
Mfg#: B5S4S1RBBK-XS
No longer available
This product has been superseded to ES#4668254
ES#2189792 - 8D0601DXSGMTLRA - Rear Cross Drilled & Slotted Brake Rotors - Pair (256x22) - (NO LONGER AVAILABLE) - Featuring GEOMET protective coating. - ECS -
Rear Cross Drilled & Slotted Brake Rotors - Pair (256x22) - (NO LONGER AVAILABLE)
Featuring GEOMET� protective coating.
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2189792
Mfg#: 8D0601DXSGMTLRA
No longer available
This product has been superseded to ES#4668255
ES#2523883 - 8D0601SLGMTLRA - Rear Slotted Brake Rotors - Pair (256x22) - (NO LONGER AVAILABLE) - Featuring GEOMET protective coating. - ECS -
Rear Slotted Brake Rotors - Pair (256x22) - (NO LONGER AVAILABLE)
Featuring GEOMET� protective coating.
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2523883
Mfg#: 8D0601SLGMTLRA
No longer available
ES#2538104 - 000857ECS01A - Magnetic Drain/Fill Plug - Priced Each - Capture harmful particles to prevent wear. M22x1.5 - ECS - Audi Volkswagen Porsche
Magnetic Drain/Fill Plug - Priced Each
Capture harmful particles to prevent wear. M22x1.5
10X Entries For Our 25th Anniversary Sweepstakes!

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

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Availability:
Ships on Oct 5, 2026
Auto Notify
$40.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2730494 - 003248ECS01A - Performance Rear Differential Mount - Audi B5 A4/S4 - Increase drivetrain rigidity and response! - ECS - Audi
Performance Rear Differential Mount - Audi B5 A4/S4
Increase drivetrain rigidity and response!
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2730494
Mfg#: 003248ECS01A

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

Availability:
In Stock
On SALE Save 25%
$243.99

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

$182.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2723181 - 000805ECS03AKT - Complete ECS Performance Engine Mount Kit - Audi B5 S4 - Includes ECS performance polyurethane engine mount and snub mount - ECS - Audi
Complete ECS Performance Engine Mount Kit - Audi B5 S4
Includes ECS performance polyurethane engine mount and snub mount
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2723181
Mfg#: 000805ECS03AKT

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Availability:
In Stock
On SALE Save 10%
$402.99

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

$362.69 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2708159 - 000805ECS01AKT - ECS Performance Engine Mount Kit - Audi B5 S4 - Performance engine mounts to increase drivetrain rigidity - ECS - Audi
ECS Performance Engine Mount Kit - Audi B5 S4
Performance engine mounts to increase drivetrain rigidity
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2708159
Mfg#: 000805ECS01AKT

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

Availability:
In Stock
On SALE
$358.99

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

$341.04 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2597993 - 001577ECS01A - Performance Snub Mount - Reduce driveline lash with a full polyurethane mount - ECS - Audi Volkswagen
Performance Snub Mount
Reduce driveline lash with a full polyurethane mount
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2597993
Mfg#: 001577ECS01A

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

Availability:
In Stock
On SALE Save 25%
$78.99

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

$59.24 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5701 - 000198500BLK-A - Fuel Pressure Gauge Kit - Great for custom tuning and easily installs on the pressure line - ECS - Audi Volkswagen
Fuel Pressure Gauge Kit
Great for custom tuning and easily installs on the pressure line
10X Entries For Our 25th Anniversary Sweepstakes!

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

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

Availability:
In Stock
On SALE
$67.99

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

$65.95 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5271 - 001564ECS01 - Adjustable Fuel Pressure Regulator - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi - ECS - Audi Volkswagen
Adjustable Fuel Pressure Regulator
Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5271
Mfg#: 001564ECS01

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

Availability:
In Stock
On SALE Save 15%
$229.99

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

$195.49 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5705 - 000198501BLK - Adjustable Fuel Pressure Regulator & Gauge Kit - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi - ECS - Audi Volkswagen
Adjustable Fuel Pressure Regulator & Gauge Kit
Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5705
Mfg#: 000198501BLK

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

Availability:
In Stock
On SALE
$265.99

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

$252.69 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2730647 - 002686ECSKT2 - 2.0T Coil Pack Conversion Kit - Anodized Black Plates With Black Coil Packs - Unload your ICM's and update your 2.7T ignition system! - ECS - Audi
2.0T Coil Pack Conversion Kit - Anodized Black Plates With Black Coil Packs
Unload your ICM's and update your 2.7T ignition system!
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2730647
Mfg#: 002686ECSKT2

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

Availability:
Ships on Jul 20, 2026
$719.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2723130 - 002686ECSKT - 2.0T Coil Pack Conversion Kit - Anodized Black Plates with Red Coil Packs - Unload your ICM's and update your 2.7T ignition system! - ECS - Audi
2.0T Coil Pack Conversion Kit - Anodized Black Plates with Red Coil Packs
Unload your ICM's and update your 2.7T ignition system!
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2723130
Mfg#: 002686ECSKT

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

Availability:
Ships in 3 Business Days
On SALE
$693.99

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

$659.29 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2784962 - 002686ECSKT7 - 2.0T Coil Pack Conversion Kit - Wrinkle Red Plates with Black Coil Packs - (NO LONGER AVAILABLE) - Unload your ICM's and update your 2.7T ignition system! - ECS -
2.0T Coil Pack Conversion Kit - Wrinkle Red Plates with Black Coil Packs - (NO LONGER AVAILABLE)
Unload your ICM's and update your 2.7T ignition system!
10X Entries For Our 25th Anniversary Sweepstakes!
**Limited Quantity Sale** Left and right plates are slightly different shades of red.
Brand: ECS - Corporate Logo
ES#: 2784962
Mfg#: 002686ECSKT7
No longer available
ES#2784968 - 002686ECSKT8 - 2.0T Coil Pack Conversion Kit - Wrinkle Red Plates with Red Coil Packs - (NO LONGER AVAILABLE) - Unload your ICM's and update your 2.7T ignition system! - ECS -
2.0T Coil Pack Conversion Kit - Wrinkle Red Plates with Red Coil Packs - (NO LONGER AVAILABLE)
Unload your ICM's and update your 2.7T ignition system!
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2784968
Mfg#: 002686ECSKT8
No longer available
ES#2766046 - 002686ECSKT3 - 2.0T Coil Pack Conversion Kit - Anodized Black Plates with No coil packs - Unload your ICM's and update your 2.7T ignition system! - ECS - Audi
2.0T Coil Pack Conversion Kit - Anodized Black Plates with No coil packs
Unload your ICM's and update your 2.7T ignition system!
10X Entries For Our 25th Anniversary Sweepstakes!
This kit does not include the 2.0T coil packs.
Brand: ECS - Corporate Logo
ES#: 2766046
Mfg#: 002686ECSKT3

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

Availability:
In Stock
On SALE Save 20%
$524.99

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

$419.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2784969 - 002686ECSKT9 - 2.0T Coil Pack Conversion Kit - Wrinkle Red Plates with No coil packs - (NO LONGER AVAILABLE) - Unload your ICM's and update your 2.7T ignition system! - ECS -
2.0T Coil Pack Conversion Kit - Wrinkle Red Plates with No coil packs - (NO LONGER AVAILABLE)
Unload your ICM's and update your 2.7T ignition system!
10X Entries For Our 25th Anniversary Sweepstakes!
**Limited Quantity Sale** Left and right plates are slightly different shades of red.
Brand: ECS - Corporate Logo
ES#: 2784969
Mfg#: 002686ECSKT9
No longer available
ES#2800108 - 003558ECS01AKT - 2.7T Silicone Boost Hose Kit - Black - Add a better flowing, stronger set of hoses to your vehicle and keep it running strong. - ECS - Audi
2.7T Silicone Boost Hose Kit - Black
Add a better flowing, stronger set of hoses to your vehicle and keep it running strong.
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2800108
Mfg#: 003558ECS01AKT

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

Availability:
In Stock
On SALE Save 25%
$379.99

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

$284.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2766010 - 5574k19KT - Turbo Hose Clamp Kit - Includes all of the clamps for the turbo system hoses - ECS - Audi
Turbo Hose Clamp Kit
Includes all of the clamps for the turbo system hoses
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2766010
Mfg#: 5574K19KT

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

Availability:
In Stock
On SALE Save 25%
$86.99

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

$65.24 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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