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Volkswagen MK4 Performance Engine Parts

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ES#3175362 - 251335 - 3" Stainless Steel  Downpipe - with 400 Cell Catalytic Converter - Stainless steel downpipe to unlock engine potential - Techtonics Tuning - Volkswagen

Stainless steel downpipe to unlock engine potential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not available for sale in California or New York.

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175362
Mfg#:
251335
Back Ordered
$687.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3175463 - 252460M-H - MK4 Golf 2.5" Stainless Steel Cat-Back Exhaust - with Magnaflow muffler - Get that Exhaust tone you've been looking for! - Techtonics Tuning - Volkswagen

Get that Exhaust tone you've been looking for! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a "non-cutout" rear valance. Hidden (turn-down) exhaust tip.

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175463
Mfg#:
252460M-H
Ships on Jun 29, 2026
$684.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2794641 - ARP2044705 - ARP Head Stud Kit - Manufactured in the U.S.A. and 100% re-usable - ARP - Volkswagen

Manufactured in the U.S.A. and 100% re-usable affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ARP - Corporate Logo
ES#:
2794641
Mfg#:
ARP2044705
In Stock at Vendor
$335.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4159101 - 034-509-5037 - StreetSport Engine/Transmission Mount Pair  - These mounts are designed with performance in mind, manufactured from billet aluminum and high-durometer rubber, making them virtually indestructible. - 034Motorsport - Audi Volkswagen

These mounts are designed with performance in mind, manufactured from billet aluminum and high-durometer rubber, making them virtually indestructible. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
4159101
Mfg#:
034-509-5037
Back Ordered
$664.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4005392 - 034-509-5031 - TrackSport Engine/Transmission Mount Pair - These mounts are designed with extreme performance in mind, manufactured from billet aluminum and high-durometer rubber, making them virtually indestructible. - 034Motorsport - Audi Volkswagen

These mounts are designed with extreme performance in mind, manufactured from billet aluminum and high-durometer rubber, making them virtually indestructible. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
4005392
Mfg#:
034-509-5031
Back Ordered
$664.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1832080 - fmintmk4s - Side Mount Intercooler - Polished - Fits in stock location, excellent upgrade over stock - Forge - Volkswagen

Fits in stock location, excellent upgrade over stock affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
1832080
Mfg#:
FMINTMK4S
Back Ordered
$655.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4714530 - BMSWMITC - BMS Billet Water/Methanol Injection Tank Cap With Safety Check Valve - The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out! - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714530
Mfg#:
BMSWMITC
In Stock
$59.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4428694 - AUTMK4001 - Autobahn Autoworx Turbo Inlet Pipe For K03 - 1.8t Ko3 Ko3s inlet pipe 43mm turbo side stock MAF side - Autobahn Autoworx - Audi Volkswagen

1.8t Ko3 Ko3s inlet pipe 43mm turbo side stock MAF side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Trimming may be required for desired fitment

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4428694
Mfg#:
AUTMK4001
Ships in 1 Business Day
Starting at $91.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 7 Business Days
$639.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Tunezilla - Corporate Logo
ES#:
2951993
Mfg#:
PD-TDI-001.5KT
Ships in 7 Business Days
$639.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Tunezilla - Corporate Logo
ES#:
2951994
Mfg#:
PD-TDI-002KT
Ships in 7 Business Days
$639.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4742789 - P4-VW18T82-N4 - Supertech Piston - 1mm Oversize - Set Of 4 - Supertech 1mm oversized piston set including 20mm wrist pins. - Supertech - Audi Volkswagen

Supertech 1mm oversized piston set including 20mm wrist pins. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4742789
Mfg#:
P4-VW18T82-N4
Ships in 8 Business Days
$638.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3130097 - 010377ECS01-02 -  Silicone Vacuum Hose Kit - Red - Sleek, heavy duty silicone vacuum hoses to eliminate cracked lines or to dress up any 1.8T engine bay! - ECS - Volkswagen

Sleek, heavy duty silicone vacuum hoses to eliminate cracked lines or to dress up any 1.8T engine bay! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with AWP engine code only

Brand:
ECS - Corporate Logo
ES#:
3130097
Mfg#:
010377ECS01-02
In Stock
Limited Qty Sale
$93.99

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

$70.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4940110 - JB4-OBDII-4P7FCA - JB4 OBDII Cable Replacement - 4 Position (Cable Only) - Version 1. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Version 1. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4940110
Mfg#:
JB4-OBDII-4P7FCA
In Stock
$25.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
ES#2917973 - 002236ECS03B01 - Light Weight Alternator Pulley Black Anodized - Bolt on lightweight billet aluminum pulley - ECS - Audi Volkswagen

Bolt on lightweight billet aluminum pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Vehicles with clutched alternator pulley require hardware kit - ES271279 for installation

Brand:
ECS - Corporate Logo
ES#:
2917973
Mfg#:
002236ECS03B01
In Stock
ON SALE! SAVE 25%
$88.99

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

$66.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

Let us help you find the parts that fit your Volkswagen

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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