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Audi B5 Performance Parts & Upgrades

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440cc Fuel Injectors - Set Of Six

ES#1895511 - 0280155968 - 440cc Fuel Injectors - Set Of Six - A drop-in injector commonly referred to as 'Green Giants' - Bosch - Audi

A drop-in injector commonly referred to as 'Green Giants' We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1895511
Mfg#:
0280155968
In Stock
$251.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bosch 550cc Fuel Injector - Priced Each

ES#1897179 - INJB550 - Bosch 550cc Fuel Injector - Priced Each - Compatible with BT software applications. Does NOT include injector plug adapters - Bosch - Audi Volkswagen

Compatible with BT software applications. Does NOT include injector plug adapters We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1897179
Mfg#:
INJB550
In Stock
$77.29

This product was last offered at the strikethrough price on
07-06-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi 2.7T F21 Hybrid Turbochargers

ES#2840951 - f21bt - Audi 2.7T F21 Hybrid Turbochargers - Complete bolt on Turbo upgrade including turbo inlet pipes - FrankenTurbo - Audi

Complete bolt on Turbo upgrade including turbo inlet pipes

Brand:
FrankenTurbo - Corporate Logo
ES#:
2840951
Mfg#:
F21BT
Ships on Nov 12, 2026
$1999.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.7T Silicone Boost Hose Kit - Black

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

Add a better flowing, stronger set of hoses to your vehicle and keep it running strong. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2800108
Mfg#:
003558ECS01AKT
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
This product is lifetime replacement eligible Lifetime Replacement

Billet R1 Diverter Valve - Priced Each

ES#8818 - DV100001 - Billet R1 Diverter Valve - Priced Each - Less maintenance, more boost - APR - Audi Volkswagen Porsche

Less maintenance, more boost Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
8818
Mfg#:
DV100001
In Stock
11% off MSRP

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

$328.99

This product was last offered at the strikethrough price on
09-22-2026

$291.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B5 A4/S4 Solo-Werks S1 Coilovers

ES#2777310 - s1au004 - Audi B5 A4/S4 Solo-Werks S1 Coilovers - Set your vehicle low and tight for optimal performance - Solo-Werks - Audi

Set your vehicle low and tight for optimal performance Lowering front: 1.5" - 3", rear: 1.5" - 3"

Brand:
Solo-Werks - Corporate Logo
ES#:
2777310
Mfg#:
S1AU004
In Stock
$649.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B5 A4/S4 Manual - Driveshaft Center Support Bearing Carrier

ES#4609176 - 012158la01kt - B5 A4/S4 Manual - Driveshaft Center Support Bearing Carrier - As our beloved B5's age the stock center support bearing starts to wear out causing drivetrain clunk. This upgraded unit keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing - ECS - Audi

As our beloved B5's age the stock center support bearing starts to wear out causing drivetrain clunk. This upgraded unit keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing 10X Entries Into Our F80 M3 Sweepstakes
Manual Transmission B5 A4/S4

Brand:
ECS - Corporate Logo
ES#:
4609176
Mfg#:
012158LA01KT
Ships on Oct 13, 2026
ON SALE! SAVE 25%
$302.99

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

$227.24 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

RS4 Engine Mount - Priced Each

ES#2816259 - 8D0199379AD - RS4 Engine Mount - Priced Each - Upgrade to more durable mounts with no modifications necessary - Hamburg Tech - Audi Volkswagen

Upgrade to more durable mounts with no modifications necessary We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816259
Mfg#:
8D0199379AD
In Stock
$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solid Rear Sway Bar - 25.4mm

ES#2864584 - 034-402-1001 - Solid Rear Sway Bar - 25.4mm - Substantially reduce understeer and body roll - 034Motorsport - Audi

Substantially reduce understeer and body roll 2X Entries Into Our F80 M3 Sweepstakes
Billet Aluminum Rear Subframe Reinforcement kit is recommended

Brand:
034Motorsport - Corporate Logo
ES#:
2864584
Mfg#:
034-402-1001
In Stock
$361.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 15mm With Black Conical Seat Bolts

ES#2748194 - ECS10157KTWBC1 - ECS Wheel Spacer & Bolt Kit - 15mm With Black 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
Fits most aftermarket wheels that require conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748194
Mfg#:
ECS10157KTWBC1
In Stock
ON SALE! SAVE 15%
$164.99

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

$140.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS 18Z 6-Piston Performance Brake Caliper - Pair

ES#4845288 - 056430LA01 - ECS 18Z 6-Piston Performance Brake Caliper - Pair - Enhance braking performance & complete your big brake kit! Direct replacement for OEM Porsche 18Z (95535142122, 95535142222). - ECS - Audi Volkswagen Porsche

Enhance braking performance & complete your big brake kit! Direct replacement for OEM Porsche 18Z (95535142122, 95535142222). 10X Entries Into Our F80 M3 Sweepstakes
For Vehicles Equipped with ECS Stage 5 Front Big Brake Kit (ES#1896)

Brand:
ECS - Corporate Logo
ES#:
4845288
Mfg#:
056430LA01
In Stock
ON SALE! SAVE 20%
$866.99

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

$693.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Conical Seat Stud Conversion Kit

ES#2804054 - 001467ECS01KT3 - Conical Seat Stud Conversion Kit - Make wheel changes faster and easier - ECS - Audi Volkswagen

Make wheel changes faster and easier 10X Entries Into Our F80 M3 Sweepstakes
For use with conical seat wheels and up to 10mm spacers only

Brand:
ECS - Corporate Logo
ES#:
2804054
Mfg#:
001467ECS01KT3
In Stock
ON SALE! SAVE 10%
$201.99

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

$181.79 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Carbon Fiber RS4 Y-Pipe

ES#2972858 - 034-108-5000 - Carbon Fiber RS4 Y-Pipe - Features high-quality carbon fiber with perfect fitment and optimal flow - 034Motorsport - Audi

Features high-quality carbon fiber with perfect fitment and optimal flow 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2972858
Mfg#:
034-108-5000
In Stock
$647.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B5 S4/A4 Trunk Spoiler - Gloss Black

ES#4159609 - 007721LA01 - Audi B5 S4/A4 Trunk Spoiler - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4159609
Mfg#:
007721LA01
In Stock
ON SALE! SAVE 20%
$223.99

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

$179.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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