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
Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit
Complete set of DOT-compliant lines for an improved pedal feel
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Brand:
ES#:
1162
Mfg#:
B5QSSBLK
Front Exact-Fit Stainless Steel Brake Lines
Front set of DOT-compliant lines for an improved pedal feel
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Brand:
ES#:
758
Mfg#:
FFSS310MM KIT
No longer available
Mid Exact-Fit Stainless Steel Brake Lines
Mid set of DOT-compliant lines for an improved pedal feel
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Brand:
ES#:
3450991
Mfg#:
024677ECS01
Rear Exact-Fit Stainless Steel Brake Lines
Rear set of DOT-compliant lines for an improved pedal feel
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Brand:
ES#:
8828
Mfg#:
ECS41010KT
Rear Exact-Fit Stainless Steel Brake Lines - Four Piece
Mid & Rear set of DOT-compliant lines for an improved pedal feel
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Brand:
ES#:
538
Mfg#:
B5S4SSBLK-REAR
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.
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Brand:
ES#:
1896
Mfg#:
B5S4S4BBKRXS
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
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Brand:
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
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Brand:
ES#:
4103
Mfg#:
B5S4S4BBKBXS
No longer available
This product has been superseded to
ES#4668251
Front Cross Drilled & Slotted Brake Rotors - Pair (321x30) - (NO LONGER AVAILABLE)
Featuring GEOMET® protective coating.
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Brand:
ES#:
2189958
Mfg#:
8E0301ADXGMTLRA
No longer available
This product has been superseded to
ES#4668252
Front Slotted Brake Rotors - Pair (321x30) - (NO LONGER AVAILABLE)
Featuring GEOMET® protective coating.
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Brand:
ES#:
2189960
Mfg#:
8E0301ADSGMTLRA
No longer available
Rear Big Brake Kit - Stage I - Cross Drilled & Slotted Rotors (306x22) - (NO LONGER AVAILABLE)
Upgrade your stopping power with larger two-piece rotors
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Brand:
ES#:
3653
Mfg#:
B5S4S1RBBK-XS
No longer available
This product has been superseded to
ES#4668254
Rear Cross Drilled & Slotted Brake Rotors - Pair (256x22) - (NO LONGER AVAILABLE)
Featuring GEOMET� protective coating.
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Brand:
ES#:
2189792
Mfg#:
8D0601DXSGMTLRA
No longer available
This product has been superseded to
ES#4668255
Rear Slotted Brake Rotors - Pair (256x22) - (NO LONGER AVAILABLE)
Featuring GEOMET� protective coating.
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Brand:
ES#:
2523883
Mfg#:
8D0601SLGMTLRA
No longer available
Magnetic Drain/Fill Plug - Priced Each
Capture harmful particles to prevent wear. M22x1.5
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Brand:
ES#:
2538104
Mfg#:
000857ECS01A
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Availability:
Ships on Aug 14, 2026
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Ships on Aug 14, 2026
Performance Rear Differential Mount - Audi B5 A4/S4
Increase drivetrain rigidity and response!
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Brand:
ES#:
2730494
Mfg#:
003248ECS01A
Complete ECS Performance Engine Mount Kit - Audi B5 S4
Includes ECS performance polyurethane engine mount and snub mount
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Brand:
ES#:
2723181
Mfg#:
000805ECS03AKT
ECS Performance Engine Mount Kit - Audi B5 S4
Performance engine mounts to increase drivetrain rigidity
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Brand:
ES#:
2708159
Mfg#:
000805ECS01AKT
Performance Snub Mount
Reduce driveline lash with a full polyurethane mount
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Brand:
ES#:
2597993
Mfg#:
001577ECS01A
Fuel Pressure Gauge Kit
Great for custom tuning and easily installs on the pressure line
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Brand:
ES#:
5701
Mfg#:
000198500BLK-A
Adjustable Fuel Pressure Regulator
Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi
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Brand:
ES#:
5271
Mfg#:
001564ECS01
Adjustable Fuel Pressure Regulator & Gauge Kit
Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi
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Brand:
ES#:
5705
Mfg#:
000198501BLK
2.0T Coil Pack Conversion Kit - Anodized Black Plates With Black Coil Packs
Unload your ICM's and update your 2.7T ignition system!
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Brand:
ES#:
2730647
Mfg#:
002686ECSKT2
2.0T Coil Pack Conversion Kit - Anodized Black Plates with Red Coil Packs
Unload your ICM's and update your 2.7T ignition system!
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Brand:
ES#:
2723130
Mfg#:
002686ECSKT
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!
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**Limited Quantity Sale** Left and right plates are slightly different shades of red.
**Limited Quantity Sale** Left and right plates are slightly different shades of red.
Brand:
ES#:
2784962
Mfg#:
002686ECSKT7
No longer available
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!
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Brand:
ES#:
2784968
Mfg#:
002686ECSKT8
No longer available
2.0T Coil Pack Conversion Kit - Anodized Black Plates with No coil packs
Unload your ICM's and update your 2.7T ignition system!
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This kit does not include the 2.0T coil packs.
This kit does not include the 2.0T coil packs.
Brand:
ES#:
2766046
Mfg#:
002686ECSKT3
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!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
**Limited Quantity Sale** Left and right plates are slightly different shades of red.
**Limited Quantity Sale** Left and right plates are slightly different shades of red.
Brand:
ES#:
2784969
Mfg#:
002686ECSKT9
No longer available
2.7T Silicone Boost Hose Kit - Black
Add a better flowing, stronger set of hoses to your vehicle and keep it running strong.
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Brand:
ES#:
2800108
Mfg#:
003558ECS01AKT
Turbo Hose Clamp Kit
Includes all of the clamps for the turbo system hoses
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Brand:
ES#:
2766010
Mfg#:
5574K19KT