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Volkswagen MK4 Performance Parts & Upgrades

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Stage 4 - With FlashZilla V3

ES#2951978 - ve-tdi-004KT - Stage 4 - With FlashZilla V3 - Average gain of 60 horsepower and 115 lb-ft of torque - Tunezilla - Volkswagen

Average gain of 60 horsepower and 115 lb-ft of torque Requires VNT-17 turbo upgrade, 3.0 bar MAP sensor, upgraded fuel injectors, and upgraded clutch if not equipped with factory Luk clutch. For vehicles fro

Brand:
Tunezilla - Corporate Logo
ES#:
2951978
Mfg#:
VE-TDI-004KT
Ships in 8 Business Days
$639.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1.5 - With FlashZilla V3

ES#2951993 - pd-tdi-001.5KT - Stage 1.5 - With FlashZilla V3 - Average gain of 30 horsepower and 55 lb-ft of torque - Tunezilla - Volkswagen

Average gain of 30 horsepower and 55 lb-ft of torque

Brand:
Tunezilla - Corporate Logo
ES#:
2951993
Mfg#:
PD-TDI-001.5KT
Ships in 8 Business Days
$639.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 - With FlashZilla V3

ES#2951994 - pd-tdi-002KT - Stage 2 - With FlashZilla V3 - Average gain of 40 horsepower and 68 lb-ft of torque - Tunezilla - Volkswagen

Average gain of 40 horsepower and 68 lb-ft of torque

Brand:
Tunezilla - Corporate Logo
ES#:
2951994
Mfg#:
PD-TDI-002KT
Ships in 8 Business Days
$639.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter (Bypass) Valve OEM 710N

ES#4880731 - 034-145-5001 - Diverter (Bypass) Valve OEM 710N - New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. - 034Motorsport - Audi Volkswagen

New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves.

Brand:
034Motorsport - Corporate Logo
ES#:
4880731
Mfg#:
034-145-5001
Ships in 3 Business Days
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Ultimate "Stick Shift Upgrade" Kit

ES#3047950 - 001501ECS01KT1 - ECS Ultimate "Stick Shift Upgrade" Kit - Includes Adjustable Short Shifter and Solid Shifter Bushings for improved gear engagement and precision! - ECS - Volkswagen

Includes Adjustable Short Shifter and Solid Shifter Bushings for improved gear engagement and precision! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3047950
Mfg#:
001501ECS01KT1
Ships on Nov 3, 2026
Auto Notify
ON SALE!
$333.99

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

$317.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

228mm steel flywheel and OEM clutch kit

ES#2826549 - 10105150509K - 228mm steel flywheel and OEM clutch kit - Includes clutch disc, steel flywheel, pressure plate, release bearing and pressure plate hardware. - Autotech - Volkswagen

Includes clutch disc, steel flywheel, pressure plate, release bearing and pressure plate hardware.

Brand:
Autotech - Corporate Logo
ES#:
2826549
Mfg#:
10105150509K
Ships in 3 Business Days
$629.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Front & Rear Sway Bar Kit

ES#5477 - 70431-2571431-21 - Adjustable Front & Rear Sway Bar Kit - Kit includes 25mm front bar & 21mm rear bar to fine tune handling - H&R - Volkswagen

Kit includes 25mm front bar & 21mm rear bar to fine tune handling 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
5477
Mfg#:
70431-2571431-21
Ships in 4 Business Days
$706.58

This product was last offered at the strikethrough price on
06-30-2026

$629.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear HPS Performance Brake Pad Set

ES#852 - HB364F.587 - Rear HPS Performance Brake Pad Set - Composite compound, all-around pads - Hawk - Audi Volkswagen

Composite compound, all-around pads

Brand:
Hawk - Corporate Logo
ES#:
852
Mfg#:
HB364F.587
In Stock at Vendor
$155.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Girdle Kit

ES#2794148 - IEBEVA9 - Crankshaft Girdle Kit - Keep your engine block from flexing under torque - Integrated Engineering - Audi Volkswagen

Keep your engine block from flexing under torque 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794148
Mfg#:
IEBEVA9
Back Ordered
$617.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front BSD Blade Brake Rotors - Pair (280x22)

ES#3132074 - BSD819 - Front BSD Blade Brake Rotors - Pair (280x22) - Upgrade to the uniquely created blade slot designed for improved braking - EBC - Volkswagen

Upgrade to the uniquely created blade slot designed for improved braking 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
3132074
Mfg#:
BSD819
Ships in 2 Business Days
5% off MSRP

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

$317.99

This product was last offered at the strikethrough price on
08-05-2026

$302.99 USD
Free Shipping

ECS Wheel Spacers - 5mm (1 Pair)

ES#252608 - 002353ECS01A05KT - ECS Wheel Spacers - 5mm (1 Pair) - Exclusively built for your Volkswagen or Audi - ECS - Audi Volkswagen

Exclusively built for your Volkswagen or Audi 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
252608
Mfg#:
002353ECS01A05KT
In Stock
ON SALE!
$88.99

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

$86.32 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

228mm steel flywheel and OEM clutch kit

ES#2826553 - 10105200509K - 228mm steel flywheel and OEM clutch kit - Includes clutch disc, steel flywheel, pressure plate, release bearing and pressure plate hardware. - Autotech - Volkswagen

Includes clutch disc, steel flywheel, pressure plate, release bearing and pressure plate hardware.

Brand:
Autotech - Corporate Logo
ES#:
2826553
Mfg#:
10105200509K
Ships in 3 Business Days
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Sway Bar - 25mm

ES#2825802 - 15.02.25.9 - Front Sway Bar - 25mm - Solid, non-adjustable performance stabilizer bar - Neuspeed - Audi Volkswagen

Solid, non-adjustable performance stabilizer bar 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Neuspeed - Corporate Logo
ES#:
2825802
Mfg#:
15.02.25.9
Ships in 2 Business Days
$299.00 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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