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Audi B5 S4 2.7T

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Audi B5 S4 2.7T Performance Parts & Upgrades

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H&R Quick-Safe Stud Conversion Kit

ES#2731486 - Q-SPack45-40 - H&R Quick-Safe Stud Conversion Kit - Set of 20 studs. M14 x 1.5 x 40 - H&R - Audi Volkswagen

Set of 20 studs. M14 x 1.5 x 40 We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2731486
Mfg#:
Q-SPACK45-40
Ships in 3 Business Days
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$174.95

This product was last offered at the strikethrough price on
09-04-2026

$157.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Single-Mass Lightweight Flywheel

ES#3998855 - 034-503-1009 - Billet Aluminum Single-Mass Lightweight Flywheel - Weighing in at 14 lbs, allows for faster revving and easier rev matching when downshifting. - 034Motorsport - Audi

Weighing in at 14 lbs, allows for faster revving and easier rev matching when downshifting. 2X Entries Into Our F80 M3 Sweepstakes
*For use with Audi B7 RS4 Clutch Kit - ES2550660*

Brand:
034Motorsport - Corporate Logo
ES#:
3998855
Mfg#:
034-503-1009
Back Ordered
$629.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Front Sway Bar Bushing Set - Race - 29mm

ES#2650211 - PFF3-204-29BX2 - Performance Front Sway Bar Bushing Set - Race - 29mm - Stiffer bushings allow sway bars to work at their fullest potential - Powerflex Black Series - Audi Volkswagen

Stiffer bushings allow sway bars to work at their fullest potential

Brand:
Powerflex Black Series - Corporate Logo
ES#:
2650211
Mfg#:
PFF3-204-29BX2
In Stock
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FP34 Fuel Pump Surge Tank - With Pump

ES#3419777 - 034-106-A003 - FP34 Fuel Pump Surge Tank - With Pump - Fully enclosed FP34 fuel pump surge tank with Bosch 044 "Motorsport" fuel pump - 034Motorsport - Audi Volkswagen

Fully enclosed FP34 fuel pump surge tank with Bosch 044 "Motorsport" fuel pump 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3419777
Mfg#:
034-106-A003
Back Ordered
ON SALE! SAVE 10%
$690.00

This product was last offered at the strikethrough price on
08-17-2026

$621.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 3mm With Conical Seat Bolts

ES#2568225 - ECS10152KTWBC - ECS Wheel Spacer & Bolt Kit - 3mm With Conical Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2568225
Mfg#:
ECS10152KTWBC
Ships on Oct 30, 2026
Auto Notify
ON SALE! SAVE 25%
$135.99

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

$101.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Locking Wheel Bolt Kit

ES#2795758 - 003901ECS35BB - Ball Seat Locking Wheel Bolt Kit - Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x35mm - ECS - Audi Volkswagen

Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x35mm 10X Entries Into Our F80 M3 Sweepstakes
For use with 6-8mm spacers

Brand:
ECS - Corporate Logo
ES#:
2795758
Mfg#:
003901ECS35BB
Ships on Sep 24, 2026
ON SALE! SAVE 25%
$88.99

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

$66.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 2

Average gain of 65 horsepower and 84 lb-ft of torque on 93 Octane

Brand:
Tunezilla - Corporate Logo
ES#:
4339723
Mfg#:
27T-250-2
Ships in 7 Business Days
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B5/C5 2.7T Performance Pack

ES#4017073 - b5c527tpplvl1KT - B5/C5 2.7T Performance Pack - Performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point - Assembled By ECS - Audi

Performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017073
Mfg#:
B5C527TPPLVL1KT
Ships on Feb 8, 2027
$586.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter (Bypass) Valve OEM 710N

ES#4880731 - 034-145-5001 - Diverter (Bypass) Valve OEM 710N - New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. - 034Motorsport - Audi Volkswagen

New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. 2X Entries Into Our F80 M3 Sweepstakes
2 required

Brand:
034Motorsport - Corporate Logo
ES#:
4880731
Mfg#:
034-145-5001
Ships in 2 Business Days
ON SALE! SAVE 10%
$91.00

This product was last offered at the strikethrough price on
08-17-2026

$81.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Inconel Exhaust Valve Kit

ES#3647476 - ST-AEVI-1103KT1 - Supertech Inconel Exhaust Valve Kit - Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals - Assembled By ECS - Audi

Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals 10X Entries Into Our F80 M3 Sweepstakes
*Existing factory triple-groove valve keepers are to be reused*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647476
Mfg#:
ST-AEVI-1103KT1
Ships in 4 Business Days
$573.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 12.5mm with Conical Seat Bolts

ES#2863232 - 002403ECS02aKT2 - Wheel Spacer & Bolt Kit - 12.5mm with Conical Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2863232
Mfg#:
002403ECS02AKT2
In Stock
ON SALE! SAVE 25%
$189.99

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

$142.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Air Filter, Conical, 3.5" Inlet

ES#4858330 - 034-108-B013 - Performance Air Filter, Conical, 3.5" Inlet - Replacement air filter for the X34 Cold Air Intake (034-108-1002) - 034Motorsport - Audi

Replacement air filter for the X34 Cold Air Intake (034-108-1002) 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858330
Mfg#:
034-108-B013
Ships in 2 Business Days
ON SALE! SAVE 33%
$76.99

This product was last offered at the strikethrough price on
04-15-2026

$51.30 USD
Free Shipping

034 Motorsport 2.5mm Wheel Spacer - Pair

ES#4751521 - 034-604-7010 - 034 Motorsport 2.5mm Wheel Spacer - Pair - 2.5mm Wheel Spacer Pair is designed to fit most Audi & Volkswagen vehicles with a 57.1mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi Volkswagen

2.5mm Wheel Spacer Pair is designed to fit most Audi & Volkswagen vehicles with a 57.1mm center bore and 5x112mm wheel bolt patterns. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4751521
Mfg#:
034-604-7010
Back Ordered
ON SALE! SAVE 10%
$48.00

This product was last offered at the strikethrough price on
08-17-2026

$43.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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