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Audi D4 A8 4.2

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Audi D4 A8 4.2 Performance Parts & Upgrades

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ECS "Ti.22" UNIVERSAL Exhaust Tip - 4.0" Titanium - Burnt Finish - Priced Each

ES#4336426 - 011966LA07-06 - ECS "Ti.22" UNIVERSAL Exhaust Tip - 4.0" Titanium - Burnt Finish - Priced Each - 2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
4336426
Mfg#:
011966LA07-06
In Stock
ON SALE! SAVE 10%
$199.99

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

$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS UNIVERSAL Swivel Exhaust Tip - 4.0" Black Chrome - Priced Each

ES#4423336 - 003358ECS07-02 - ECS UNIVERSAL Swivel Exhaust Tip - 4.0" Black Chrome - Priced Each - Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 3.0" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 3.0" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
4423336
Mfg#:
003358ECS07-02
In Stock
ON SALE!
$132.99

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

$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

P3 Ethanol Sensor Voltage Adaptor

ES#4069196 - P3ESVA - P3 Ethanol Sensor Voltage Adaptor - Allows 0-5 Volt Linear Output Gauges To Read Output From GM/Continental Ethanol Sensor - P3 Gauges - Audi BMW Volkswagen MINI

Allows 0-5 Volt Linear Output Gauges To Read Output From GM/Continental Ethanol Sensor

Brand:
P3 Gauges - Corporate Logo
ES#:
4069196
Mfg#:
P3ESVA
In Stock
$85.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS "Ti.22" UNIVERSAL Exhaust Tips - 4.0" Titanium - Burnt Finish - Set of Four

ES#4505621 - 011966LA07-05KT - ECS "Ti.22" UNIVERSAL Exhaust Tips - 4.0" Titanium - Burnt Finish - Set of Four - 2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
4505621
Mfg#:
011966LA07-05KT
In Stock
ON SALE!
$815.96

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

$791.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

FRP-310 Bucket Seat - Medium

A simple way to give your interior a high performance feel.

Brand:
NRG - Corporate Logo
ES#:
3661094
Mfg#:
FRP-310
Ships in 3 Business Days
$358.00

This product was last offered at the strikethrough price on
08-13-2026

$311.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Universal Seat Rail Extinguisher Mount

ES#4364591 - ELE-MNT-SRM-B - Universal Seat Rail Extinguisher Mount - Securely mount your E50 Fire extinguisher under either seat with "The Bracketeer" mount - Element - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Securely mount your E50 Fire extinguisher under either seat with "The Bracketeer" mount

Brand:
Element - Corporate Logo
ES#:
4364591
Mfg#:
ELE-MNT-SRM-B
In Stock
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ATE Brake Fluid Super DOT 5.1 - 1 Liter

ES#4318349 - SD0T51 - ATE Brake Fluid Super DOT 5.1 - 1 Liter - A low viscosity fluid replacing DOT 4 fluid. Boiling point - Dry 265C (509F) / Wet 180C (347F) - ATE - Audi BMW Volkswagen MINI

A low viscosity fluid replacing DOT 4 fluid. Boiling point - Dry 265°C (509°F) / Wet 180°C (347°F)

Brand:
ATE - Corporate Logo
ES#:
4318349
Mfg#:
SD0T51
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

OMP Champ-R Racing Seat HA/766E/N

ES#3991295 - HA/766E/N - OMP Champ-R Racing Seat HA/766E/N - Ultimate racing seat for your interior - OMP - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Ultimate racing seat for your interior

Brand:
OMP - Corporate Logo
ES#:
3991295
Mfg#:
HA/766E/N
Back Ordered
$729.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Air Lift Performance 3P Digital Air Management

ES#2966720 - 27680 - Air Lift Performance 3P Digital Air Management - The most advanced pressure based control with 1/4" manifold - Air Lift - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The most advanced pressure based control with 1/4" manifold

Brand:
Air Lift - Corporate Logo
ES#:
2966720
Mfg#:
27680
In Stock at Vendor
$1932.69

This product was last offered at the strikethrough price on
08-02-2026

$1407.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Trak Spacers - 20mm (1 Pair) Black

ES#2730993 - 4055665SW - DR Series Trak Spacers - 20mm (1 Pair) Black - Get the stance that you've been craving with these new spacers - H&R - Audi Mercedes Benz MINI Porsche

Get the stance that you've been craving with these new spacers 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2730993
Mfg#:
4055665SW
In Stock
10% off MSRP

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

$129.99

This product was last offered at the strikethrough price on
07-01-2026

$116.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

220MM Coilover Damping Extensions

ES#4872123 - 004673LA01 - 220MM Coilover Damping Extensions - Adjust your damping without removing your interior! - ECS - Audi BMW Volkswagen MINI Porsche

Adjust your damping without removing your interior! 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4872123
Mfg#:
004673LA01
Ships on Oct 19, 2026
Auto Notify
ON SALE! SAVE 10%
$37.99

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

$34.19 USD
Free Shipping
on orders $49 and up

DR Series Wheel Spacers - 20mm (1 Pair)

ES#313 - 4055665 - DR Series Wheel Spacers - 20mm (1 Pair) - Add some stance to your car with new wheel spacers - H&R - Audi Mercedes Benz MINI Porsche

Add some stance to your car with new wheel spacers 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
313
Mfg#:
4055665
Back Ordered
Auto Notify
10% off MSRP

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

$129.99

This product was last offered at the strikethrough price on
07-01-2026

$116.99 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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