Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle 2000 Porsche Boxster 986 Roadster S Convertible H6 3.2L

TOP ECS Products | Audi B5 S4 2.7T

ECS loves helping you make your car all it can be, that�s why we�ve put all our top performance parts for your Audi together in one place. This list, compiled by our Audi B5 S4 gurus and designed by our fantastic R&D team, is everything you need to outfit your car with all those goodies you�ve wanted for your build. Let�s make your summer even more fun with all the best ECS Performance parts for your Audi.


Top Products from ECS

Audi B5 S4 2.7T

2.0T Coil Pack Conversion Kit - Anodized Black Plates with Red Coil Packs
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!

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:
In Stock
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
Performance Rear Differential Mount - Audi B5 A4/S4
Increase drivetrain rigidity and response!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
2.7T Silicone Boost Hose Kit - Black
Add a better flowing, stronger set of hoses to your vehicle and keep it running strong.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
This product has been superseded to ES#4840231
Street Shield Aluminum Skid Plate Kit - Audi B5 S4 - (NO LONGER AVAILABLE)
Protect your vehicle's oil pan and undercarriage components with our heavy duty aluminum skid plate
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2864870
Mfg#: 003252ECS02AKT4
No longer available
2.0T Coil Pack Conversion Kit - Anodized Black Plates With Black Coil Packs
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!

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:
In Stock
$719.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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#: 1162
Mfg#: B5QSSBLK

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

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
Carbon Fiber Mirror Cap Set - Audi B5/C5/D2
Upgrade your exterior look
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2855865
Mfg#: 012602ECS01

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

Availability:
Ships on Oct 14, 2026
$351.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ECS Vent Pod Boost Gauge Kit - (NO LONGER AVAILABLE)
Vent-mounted digital boost gauge for B5 S4 looks factory installed
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2664824
Mfg#: 001576ECS01KT
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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2189958
Mfg#: 8E0301ADXGMTLRA
No longer available
Complete ECS Performance Engine Mount Kit - Audi B5 S4
Includes ECS performance polyurethane engine mount and snub mount
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

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

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 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
Lightweight Pulley Set - Black - (NO LONGER AVAILABLE)
NOT an under drive pulley kit, reduces rotational mass of stock pulley system.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3083
Mfg#: V630VLWPS-BLK
No longer available
Front Cross-Drilled & Slotted 2-Piece Brake Rotors - Pair (352x32)
Direct bolt-on replacement for customers with our Stage 4 Big Brake Kits
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2607868
Mfg#: 001499ECS01AKT

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 13%
$1015.99

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

$879.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ECS Wheel Spacer & Bolt Kit - 10mm With Black Ball Seat Bolts
Includes everything you need to install spacers on two wheels
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand: ECS - Corporate Logo
ES#: 2748191
Mfg#: 00240302A10KT3

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%
$197.93

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

$148.45 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Lightweight Pulley Set - Black - With Belt - (NO LONGER AVAILABLE)
NOT an under drive pulley kit, reduces rotational mass of stock pulley system.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3509731
Mfg#: V630VLWPSKT
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!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
Front Big Brake Kit - Stage 4 - 2-Piece Cross Drilled & Slotted Rotors (352x32)
For customers with existing 18z calipers, brake pads, & fluid
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3082393
Mfg#: B5S4S4BBKRXSKT

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

Availability:
In Stock at Vendor
On SALE
$1305.99

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

$1240.69 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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

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

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
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!
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.
Brand: ECS - Corporate Logo
ES#: 2784962
Mfg#: 002686ECSKT7
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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2189792
Mfg#: 8D0601DXSGMTLRA
No longer available
ECS Performance Engine Mount Kit - Audi B5 S4
Performance engine mounts to increase drivetrain rigidity
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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:
Ships in 3 Business Days
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
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
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#: 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
ECS Wheel Spacer & Bolt Kit - 10mm With Ball Seat Bolts
Includes everything you need to install spacers on two wheels
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2649762
Mfg#: 00240302A10KT2

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

Availability:
Back Ordered
Auto Notify
On SALE Save 25%
$144.99

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

$108.74 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Lightweight Power Steering Pulley - Black - (NO LONGER AVAILABLE)
NOT an under drive pulley, reduces rotational mass of stock pulley system.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3085
Mfg#: 001551ECS03A-01
No longer available
Front 2-Piece Brake Rotors - Pair (321x30) - (NO LONGER AVAILABLE)
Direct bolt-on replacement - 24% less weight!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2999284
Mfg#: 009085ECS01KT
No longer available
Vent Pod - Priced Each
Custom pod specifically designed for your B5 chassis Audi
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2598254
Mfg#: 001576ECS01A
No longer available
ECS Wheel Spacers - 10mm (Pair)
Exclusively built for your 57.1mm centerbore VW/Audi
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2622576
Mfg#: 002403ECS02A10KT

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%
$106.99

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

$80.24 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Lip Spoiler - (NO LONGER AVAILABLE)
Add subtle styling cues to your B5
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits B5 chassis Audi models
Brand: ECS - Corporate Logo
ES#: 252362
Mfg#: LS-46-1
No longer available
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

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

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings