Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi B5 S4 2.7T

Audi B5 S4 2.7T Performance Parts & Upgrades

Sort By
Filter By
Return to Top
ES#4751048 - 000703LA01EBKT - B5 A4 / S4 Quattro Adjustable Damping Coilovers & Performance Rear Differential Mount - Features 32 way adjustable damping, variable length and zinc-coated shock bodies - Enthusiast Bundles - Audi

Features 32 way adjustable damping, variable length and zinc-coated shock bodies 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

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751048
Mfg#:
000703LA01EBKT
In Stock
ON SALE! SAVE 30%
$1288.99

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

$899.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2864561 - 034-108-3001 - Silicone Y-Pipe Hose Pair - Big Bore - Allows a full 2.5" diameter transition to the lower RS4 inlet pipes - 034Motorsport - Audi

Allows a full 2.5" diameter transition to the lower RS4 inlet pipes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864561
Mfg#:
034-108-3001
In Stock
$296.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2576035 - SA863FKT - Stage 3+ Clutch Kit - Lightweight Aluminum Flywheel (9lb) - Features a full faced, carbon semi-metallic disc with a torque rating of 689 ft/lbs - Spec Clutches - Audi

Features a full faced, carbon semi-metallic disc with a torque rating of 689 ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spec Clutches - Corporate Logo
ES#:
2576035
Mfg#:
SA863FKT
Ships in 8 Business Days
$1771.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3537134 - k70286hdoKT3 - Stage 2 Daily Clutch Kit - With Flywheel - Designed for the daily-driven, weekend track warrior. Conservatively rated at 350ft/lbs. - South Bend Clutch - Audi

Designed for the daily-driven, weekend track warrior. Conservatively rated at 350ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
3537134
Mfg#:
K70286HDOKT3
Ships in 1 Business Day
$1755.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2864562 - 034-108-3002 - Silicone Y-Pipe Hose Pair - Reinforced high-temp silicone for long life and abuse resistance - 034Motorsport - Audi

Reinforced high-temp silicone for long life and abuse resistance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864562
Mfg#:
034-108-3002
In Stock
$158.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4039652 - dv100001KT - Billet R1 Diverter Valve - Pair - Less maintenance, more boost. Kit includes two valves for twin-turbo applications. - APR - Audi Porsche

Less maintenance, more boost. Kit includes two valves for twin-turbo applications. Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4039652
Mfg#:
DV100001KT
Ships on Jun 29, 2026
$561.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4158836 - 034-106-5015 - Adjustable Fuel Pressure Regulator - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR - 034Motorsport - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4158836
Mfg#:
034-106-5015
In Stock
$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5109 - 2455571 - DR Series Wheel Spacers - 12mm (1 Pair) - Fine tune your stance and improve handling - H&R - Audi Volkswagen

Fine tune your stance and improve handling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
5109
Mfg#:
2455571
In Stock
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultra lightweight aluminum performance kit. Average lowering of 1.6"-2.5"F 1.3"-2.0"R affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits Avant models only

Brand:
H&R - Corporate Logo
ES#:
1303511
Mfg#:
39471-2
Ships in 3 Business Days
$1622.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#627 - 50011-1 - Ultra Low Coilover System - Fixed Damping - Extreme lowering for the extreme enthusiasts - H&R - Audi

Extreme lowering for the extreme enthusiasts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits Sedan models only. Height adjustable from 2.0" to 3.0" Front & 2.0" to 3.0" Rear

Brand:
H&R - Corporate Logo
ES#:
627
Mfg#:
50011-1
Ships in 3 Business Days
$1620.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4701674 - TRS-005 - Adjustable Rear Tie Rod Set - Enables very precise setting of rear geometry settings. A must-have for track or race use! - Verkline - Audi

Enables very precise setting of rear geometry settings. A must-have for track or race use! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Verkline - Corporate Logo
ES#:
4701674
Mfg#:
TRS-005
Ships in 1 Business Day
$324.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2574528 - INJB550KT6 - 550cc Fuel Injectors - Set Of Six - Bosch 550cc EV14 Fuel IOnjectors - Great for stage III 2.7T upgrades. Includes injector plug adapters - Bosch - Audi

Bosch 550cc EV14 Fuel IOnjectors - Great for stage III 2.7T upgrades. Includes injector plug adapters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2574528
Mfg#:
INJB550KT6
In Stock
$539.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2794230 - IERHVD1 - Forged H-Beam Connecting Rods - Set of 6 - Integrated Engineering - Audi

Set of 6 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794230
Mfg#:
IERHVD1
Ships in 4 Business Days
$808.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2576032 - SA862KT - Stage 2 Clutch Kit - Lightweight Aluminum Flywheel (9lb) - Features a full faced, steel backed, pure kevlar disc with a torque rating of 490 ft/lbs - Spec Clutches - Audi

Features a full faced, steel backed, pure kevlar disc with a torque rating of 490 ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spec Clutches - Corporate Logo
ES#:
2576032
Mfg#:
SA862KT
Ships in 1-2 days
$1559.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2731271 - 3055571SW - DR Series Wheel Spacers (Black) - 15mm (1 Pair) - Fine tune your stance and improve handling - H&R - Audi Volkswagen

Fine tune your stance and improve handling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2731271
Mfg#:
3055571SW
In Stock
$119.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.5" stainless steel downpipes made in one piece, stopping those pesky leaks. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with manual transmission only.

Brand:
JH Motorsports  - Corporate Logo
ES#:
4638076
Mfg#:
JHM-251
Ships in 10 Business Days
$1528.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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