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Audi B6 S4 V8 Performance Parts & Upgrades

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BFI Wheel Spacers - 10mm (Pair)

ES#3575933 - SP105100112GB - BFI Wheel Spacers - 10mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi. Black Anodized - Black Forest Industries - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi. Black Anodized

Brand:
Black Forest Industries - Corporate Logo
ES#:
3575933
Mfg#:
SP105100112GB
Back Ordered
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI Wheel Spacers - 10mm (Pair)

ES#3022097 - SP105100112G - BFI Wheel Spacers - 10mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi - Black Forest Industries - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi

Brand:
Black Forest Industries - Corporate Logo
ES#:
3022097
Mfg#:
SP105100112G
Back Ordered
$64.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 3mm (1 Pair)

ES#3570105 - MS100150 - Wheel Spacer Kit - 3mm (1 Pair) - 3mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi Volkswagen

3mm spacers to perfectly dial in your stance or clear your big brake kit! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3570105
Mfg#:
MS100150
Ships in 6 Business Days
ON SALE! SAVE 10%
$71.99

This product was last offered at the strikethrough price on
09-28-2026

$64.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Snub Mount

ES#3021940 - EBFIB67SM - Performance Snub Mount - Reduce your engine movement and improve shifting - Black Forest Industries - Audi

Reduce your engine movement and improve shifting

Brand:
Black Forest Industries - Corporate Logo
ES#:
3021940
Mfg#:
EBFIB67SM
Ships on Nov 4, 2026
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI Wheel Spacers - 5mm (Pair)

ES#3575931 - SP55100112GB - BFI Wheel Spacers - 5mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi. Anodized Black - Black Forest Industries - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi. Anodized Black

Brand:
Black Forest Industries - Corporate Logo
ES#:
3575931
Mfg#:
SP55100112GB
Ships on Nov 4, 2026
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Master LED Interior Lighting Kit - Red

ES#3137475 - 019396ECS04BKT - Master LED Interior Lighting Kit - Red - Transform your complete interior in minutes with new LED interior bulbs from Ziza - ZiZa - Audi

Transform your complete interior in minutes with new LED interior bulbs from Ziza 10X Entries Into Our F80 M3 Sweepstakes
Avant models only

Brand:
ZiZa - Corporate Logo
ES#:
3137475
Mfg#:
019396ECS04BKT
Ships on Mar 30, 2027
ON SALE! SAVE 50%
$117.99

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

$59.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Master LED Interior Lighting Kit - Red

ES#3137474 - 019396ECS04AKT - Master LED Interior Lighting Kit - Red - Transform your complete interior in minutes with new LED interior bulbs from Ziza - ZiZa - Audi

Transform your complete interior in minutes with new LED interior bulbs from Ziza 10X Entries Into Our F80 M3 Sweepstakes
Sedan models only

Brand:
ZiZa - Corporate Logo
ES#:
3137474
Mfg#:
019396ECS04AKT
Ships on Mar 30, 2027
ON SALE! SAVE 50%
$117.99

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

$59.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Security Lockout Service

ES#2063654 - APRSECPRG-SRV - Security Lockout Service - *Sale only applies to purchases to ECU with 3 or 4 program options - APR - Audi Volkswagen

*Sale only applies to purchases to ECU with 3 or 4 program options Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
2063654
Mfg#:
APRSECPRG-SRV
In Stock
ON SALE! SAVE 10%
$59.00

This product was last offered at the strikethrough price on
09-28-2026

$53.10 USD
This product is lifetime replacement eligible Lifetime Replacement

Fault Code Erase And Throttle Body Alignment Service

ES#2063651 - APRFCTB-SRV - Fault Code Erase And Throttle Body Alignment Service - *Sale only applies to purchases to ECU with 3 or 4 program options - APR - Audi Volkswagen

*Sale only applies to purchases to ECU with 3 or 4 program options Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
2063651
Mfg#:
APRFCTB-SRV
In Stock
ON SALE! SAVE 10%
$59.00

This product was last offered at the strikethrough price on
09-28-2026

$53.10 USD
This product is lifetime replacement eligible Lifetime Replacement

Cabriolet Brace Spacer Kit for Performance Exhaust

Allows you to make the room you need to fit most performance exhaust systems on the market. For cabriolet models only

Brand:
JH Motorsports - Corporate Logo
ES#:
4046053
Mfg#:
CABSPACERKIT
Ships on Oct 28, 2026
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED Reverse Light Kit

ES#2524008 - 1156LEDREVKT - LED Reverse Light Kit - Illuminate the path behind you with these bright LED's from Ziza! - ZiZa - Audi

Illuminate the path behind you with these bright LED's from Ziza! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ZiZa - Corporate Logo
ES#:
2524008
Mfg#:
1156LEDREVKT
In Stock
ON SALE! SAVE 10%
$50.99

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

$45.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sway Bar Teflon Bushing Rebuild & Upgrade Kit - Pair 25mm

ES#4905844 - 034-402-Z061 - Sway Bar Teflon Bushing Rebuild & Upgrade Kit - Pair 25mm - Replacement Bushing Set for 034-402-1000 & 034-402-1001 - 034Motorsport - Audi

Replacement Bushing Set for 034-402-1000 & 034-402-1001 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4905844
Mfg#:
034-402-Z061
Ships in 3 Business Days
$42.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM Header Installation Kit

Includes all hardware required to install JHM headers

Brand:
JH Motorsports - Corporate Logo
ES#:
5376132
Mfg#:
JHM-B6S-LTH-INST
Ships on Oct 28, 2026
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED Footwell Lighting Kit

ES#2215395 - B6A4FOTWELL - LED Footwell Lighting Kit - Illuminate the footwell of your vehicle with these new LEDs - ZiZa - Audi

Illuminate the footwell of your vehicle with these new LEDs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ZiZa - Corporate Logo
ES#:
2215395
Mfg#:
B6A4FOTWELL
In Stock
ON SALE! SAVE 10%
$37.99

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

$34.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED Footwell Lighting Kit - Red

ES#3137977 - 019396ECS04KT4 - LED Footwell Lighting Kit - Red - Illuminate the footwell of your vehicle with these new LEDs - ZiZa - Audi

Illuminate the footwell of your vehicle with these new LEDs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ZiZa - Corporate Logo
ES#:
3137977
Mfg#:
019396ECS04KT4
In Stock
ON SALE! SAVE 10%
$37.99

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

$34.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Sway Bar Rebuild Kit

ES#4147668 - 034-402-Z015 - Adjustable Rear Sway Bar Rebuild Kit - 034Motorsport is proud to offer a rebuild kit for their 25.4mm Diameter Adjustable Solid Rear Sway Bars for B4 through B7 Audi models! - 034Motorsport - Audi

034Motorsport is proud to offer a rebuild kit for their 25.4mm Diameter Adjustable Solid Rear Sway Bars for B4 through B7 Audi models! 2X Entries Into Our F80 M3 Sweepstakes
*To be used with sway bar kits: 034-402-1000, 034-402-1001

Brand:
034Motorsport - Corporate Logo
ES#:
4147668
Mfg#:
034-402-Z015
Ships in 3 Business Days
$31.00 USD
Free Shipping
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.

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