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Audi B6 S4 V8 Performance Parts & Upgrades

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V3 Series Coilover Kit

ES#2092349 - 35210065 - V3 Series Coilover Kit - The ultimate in coilover technology featuring double adjustable dampening - KW Suspension - Audi

The ultimate in coilover technology featuring double adjustable dampening Fits cabriolet and avant models only.
For avant and convertible models only. Range of lowering is 0.4-1.5" in the front and rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2092349
Mfg#:
35210065
Back Ordered
$3394.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Limited Slip Differential

ES#2836902 - 40309175WK - Limited Slip Differential - Put all your power to the ground! - Wavetrac - Audi Porsche

Put all your power to the ground! Fits 0A3 manual transmission models only

Brand:
Wavetrac - Corporate Logo
ES#:
2836902
Mfg#:
40309175WK
Ships in 2 Business Days
$1695.00 USD
Free Shipping

JHM Exhaust Headers With Cats

For Manual Transmissions - Comes with cats and 2.5" cat back

Brand:
JH Motorsports - Corporate Logo
ES#:
5376133
Mfg#:
JHM-B6S-LTHM
Ships in 10 Business Days
$3386.99 USD
Free Shipping
on orders $49 and up

Stage 2 Daily Clutch Kit

ES#3106516 - k70398fhdoKT - Stage 2 Daily Clutch Kit - 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. Includes single mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106516
Mfg#:
K70398FHDOKT
Ships in 1-3 days
$1692.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

ES#2827420 - SSXAU296 - Cat-Back Exhaust System - Resonated - 2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips - Milltek Sport - Audi

2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827420
Mfg#:
SSXAU296
Ships on Nov 18, 2026
$1685.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#250727 - ECS10157KTWB - ECS Wheel Spacer & Bolt Kit - 15mm With Ball 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 OEM wheels or wheels that require ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
250727
Mfg#:
ECS10157KTWB
In Stock
ON SALE! SAVE 20%
$167.99

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

$134.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Steel Flywheel (20lbs)

ES#3090723 - SA44S - Lightweight Steel Flywheel (20lbs) - Single mass lightweight flywheel - Reduce rotating mass, unleash hidden power - Spec Clutches - Audi

Single mass lightweight flywheel - Reduce rotating mass, unleash hidden power

Brand:
Spec Clutches - Corporate Logo
ES#:
3090723
Mfg#:
SA44S
In Stock
$799.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Track Density Line Transmission Mount

ES#2952011 - 034-509-4001td - Track Density Line Transmission Mount - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort 2X Entries Into Our F80 M3 Sweepstakes
Manual transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
2952011
Mfg#:
034-509-4001TD
In Stock
$118.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Adjustable Upper Control Arm Kit (Track Spec)

ES#3603968 - 034-401-1063 - Density Line Adjustable Upper Control Arm Kit (Track Spec) - Gain additional negative camber for increased cornering grip and improved handling performance - 034Motorsport - Audi Volkswagen

Gain additional negative camber for increased cornering grip and improved handling performance 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3603968
Mfg#:
034-401-1063
In Stock
$635.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 10mm With Ball Seat Bolts

ES#2649762 - 00240302A10KT2 - ECS Wheel Spacer & Bolt Kit - 10mm With Ball 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#:
2649762
Mfg#:
00240302A10KT2
In Stock
ON SALE! SAVE 25%
$144.99

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

$108.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer And Bolt Kit - 8mm With Black Ball Seat Bolts

ES#2748189 - ECS10612KTWB1 - ECS Wheel Spacer And Bolt Kit - 8mm With Black Ball Seat Bolts - Comes with everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Comes with 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#:
2748189
Mfg#:
ECS10612KTWB1
In Stock
ON SALE! SAVE 25%
$134.99

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

$101.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Tubular Front Subframe

ES#4701693 - WAS-520 - Lightweight Tubular Front Subframe - Increases chassis rigidity for improved handling performance and eliminates subframe shifting - Verkline - Audi

Increases chassis rigidity for improved handling performance and eliminates subframe shifting

Brand:
Verkline - Corporate Logo
ES#:
4701693
Mfg#:
WAS-520
Ships on Oct 30, 2026
$1569.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer - 12.5mm (Pair)

ES#2863228 - 002403ecs02a13KT - ECS Wheel Spacer - 12.5mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2863228
Mfg#:
002403ECS02A13KT
In Stock
ON SALE! SAVE 25%
$143.99

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

$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B6/B7 A4/S4 Front Sway Bar & Bushing Kit - 32mm

ES#4608992 - 000601LA01KT - Audi B6/B7 A4/S4 Front Sway Bar & Bushing Kit - 32mm - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4608992
Mfg#:
000601LA01KT
Ships on Dec 14, 2026
ON SALE! SAVE 10%
$378.99

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

$341.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 5mm With Black Conical Seat Bolts

ES#2748184 - ECS10154KTWBC1 - ECS Wheel Spacer & Bolt Kit - 5mm 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
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2748184
Mfg#:
ECS10154KTWBC1
In Stock
ON SALE! SAVE 25%
$126.99

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

$95.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit

ES#1402 - B6A4SSBLK - Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit - Complete set of DOT-compliant lines for an improved pedal feel - ECS - Audi

Complete set of DOT-compliant lines for an improved pedal feel 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
1402
Mfg#:
B6A4SSBLK
In Stock
ON SALE!
$186.99

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

$181.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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