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Volkswagen MK4 Performance Parts & Upgrades

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1.8T Billet Aluminum Fuel Injector Cup Replacement Kit

ES#4920295 - 045960LA03KT - 1.8T Billet Aluminum Fuel Injector Cup Replacement Kit - Upgrade to heavy-duty billet aluminum construction for maximum durability! - ECS - Audi Volkswagen

Upgrade to heavy-duty billet aluminum construction for maximum durability! 10X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles with Engine Codes AWD, AWP, and AWW.

Brand:
ECS - Corporate Logo
ES#:
4920295
Mfg#:
045960LA03KT
Ships in 4 Business Days
ON SALE! SAVE 20%
$172.99

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

$138.39 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cat-Back Exhaust System - Resonated

ES#2917727 - 17704SSHTR - Cat-Back Exhaust System - Resonated - 2.5" stainless steel with turn-down exit - Euro Sport Acc - Volkswagen

2.5" stainless steel with turn-down exit For vehicles featuring a "non-cutout" rear valance

Brand:
Euro Sport Acc - Corporate Logo
ES#:
2917727
Mfg#:
17704SSHTR
Ships in 4 Business Days
$549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Strut Top Mount Spacers - Pair

ES#4865836 - PFF85-431W - Front Strut Top Mount Spacers - Pair - Eliminate the all too common gap between the strut tower and top hat - Powerflex Black Series - Volkswagen

Eliminate the all too common gap between the strut tower and top hat

Brand:
Powerflex Black Series - Corporate Logo
ES#:
4865836
Mfg#:
PFF85-431W
In Stock
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Billet 24v Aluminum Water Pipe - Silver

ES#2848081 - 003285ECS0102 - ECS Billet 24v Aluminum Water Pipe - Silver - Pipe from back of water pump to thermostat housing, located under intake manifold. Engineered to be the last water pipe you'll need to replace - ECS - Audi Volkswagen

Pipe from back of water pump to thermostat housing, located under intake manifold. Engineered to be the last water pipe you'll need to replace 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2848081
Mfg#:
003285ECS0102
In Stock
$135.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged H-Beam Connecting Rods

ES#2794491 - IERHVA2 - Forged H-Beam Connecting Rods - Set of 4 - Integrated Engineering - Audi Volkswagen

Set of 4 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794491
Mfg#:
IERHVA2
Ships in 5 Business Days
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear V5 Drilled & Slotted Brake Rotors - Set (256x22)

ES#4668194 - 8N0615601B-XS - Rear V5 Drilled & Slotted Brake Rotors - Set (256x22) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - Audi Volkswagen

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4668194
Mfg#:
8N0615601B-XS
In Stock
ON SALE! SAVE 10%
$239.99

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

$215.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

850 Series - Race w/flywheel

ES#3996414 - 02032-TD8R-AH - 850 Series - Race w/flywheel - Designed for high-performance track driving capable of approximately 800tf. lbs - Clutch Masters - Volkswagen

Designed for high-performance track driving capable of approximately 800tf. lbs

Brand:
Clutch Masters - Corporate Logo
ES#:
3996414
Mfg#:
02032-TD8R-AH
Ships in 8 Business Days
$2130.99 USD
Free Shipping
on orders $49 and up

Rear Stress Bar

ES#2917740 - 18024 - Rear Stress Bar - Mounts behind rear seats to reduce chassis flex - Euro Sport Acc - Volkswagen

Mounts behind rear seats to reduce chassis flex

Brand:
Euro Sport Acc - Corporate Logo
ES#:
2917740
Mfg#:
18024
Ships in 3 Business Days
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Daily Clutch Kit

ES#3098798 - k70319fssoKT - Stage 3 Daily Clutch Kit - Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 400ft/lbs. - South Bend Clutch - Audi Volkswagen

Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 400ft/lbs. For vehicles with 5-speed manual transmission only. Includes flywheel.

Brand:
South Bend Clutch - Corporate Logo
ES#:
3098798
Mfg#:
K70319FSSOKT
Ships in 2 Business Days
$1040.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Polyurethane Control Arm Bushing Kit

ES#1097 - MK4CABK - Polyurethane Control Arm Bushing Kit - Includes all control arm bushings - ECS - Volkswagen

Includes all control arm bushings 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
1097
Mfg#:
MK4CABK
In Stock
ON SALE! SAVE 20%
$103.99

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

$83.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 10mm (Pair)

ES#1990 - 002353ECS02A10KT - ECS Wheel Spacers - 10mm (Pair) - Exclusively built for your VAG product, manufactured from lightweight aluminum - ECS - Audi Volkswagen

Exclusively built for your VAG product, manufactured from lightweight aluminum 10X Entries For Our 25th Anniversary Sweepstakes!
Designed for OE wheel fitment. Centering rings are not compatible without modification.

Brand:
ECS - Corporate Logo
ES#:
1990
Mfg#:
002353ECS02A10KT
In Stock
ON SALE! SAVE 25%
$109.99

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

$82.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Exhaust Manifold

ES#3056549 - 887801 - Performance Exhaust Manifold - Stainless steel construction, free-flowing headers - Supersprint - Volkswagen

Stainless steel construction, free-flowing headers

Brand:
Supersprint - Corporate Logo
ES#:
3056549
Mfg#:
887801
Ships in 4 Business Days
$2052.00 USD
Free Shipping

Stage 1 Heavy Duty Clutch Kit

ES#3098750 - k70287hddmfKT - Stage 1 Heavy Duty Clutch Kit - Ideal for the spirited daily-driver. Rated at 375ft/lbs. - South Bend Clutch - Audi Volkswagen

Ideal for the spirited daily-driver. Rated at 375ft/lbs. Works with stock dual mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3098750
Mfg#:
K70287HDDMFKT
Ships in 5 Business Days
$683.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK4 Jetta (2004 - 2005) Trunk Spoiler - Textured Black

ES#4415686 - 013987LA01-02 - MK4 Jetta (2004 - 2005) Trunk Spoiler - Textured Black - Add OE+ styling with our In-House Engineered Textured Black Rear Trunk Spoiler! - ECS - Volkswagen

Add OE+ styling with our In-House Engineered Textured Black Rear Trunk Spoiler! 10X Entries For Our 25th Anniversary Sweepstakes!

Fits vehicles from the 2004 model year only

Brand:
ECS - Corporate Logo
ES#:
4415686
Mfg#:
013987LA01-02
In Stock
ON SALE! SAVE 36%
$157.99

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

$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Lower Control Arms - Pair

ES#3175084 - TS-VW-011 - Adjustable Rear Lower Control Arms - Pair - Great for lowered vehicles to help with traction and tire wear - Torque Solution - Audi Volkswagen

Great for lowered vehicles to help with traction and tire wear

Brand:
Torque Solution - Corporate Logo
ES#:
3175084
Mfg#:
TS-VW-011
Back Ordered
$333.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Street Coilover System - With Heavy Duty Installation Kit & Pre-Assembled Front Control Arms With Polyurethane Bushings For Your MK4

ES#4751408 - 021544ECSEB2KT - ECS Street Coilover System - With Heavy Duty Installation Kit & Pre-Assembled Front Control Arms With Polyurethane Bushings For Your MK4 - Includes ECS HD strut and shock mounts along with all the necessary installation hardware for a complete suspension package! - Enthusiast Bundles - Volkswagen

Includes ECS HD strut and shock mounts along with all the necessary installation hardware for a complete suspension package! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
Height adjustable from 1.4" to 2.25" (front) and 1.4" to 2.25" (rear)

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751408
Mfg#:
021544ECSEB2KT
Ships on Aug 24, 2026
Auto Notify
ON SALE! SAVE 23%
$1297.99

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

$999.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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