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Volkswagen MK4 Performance Engine Parts

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ES#5457432 - UVM76MMDUALOUTx1 - Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457432
Mfg#:
UVM76MMDUALOUTX1
Ships in 1 Business Day
$399.99 USD
Free Shipping
ES#5457431 - UVM.63MM.X2 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 2 Mufflers - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457431
Mfg#:
UVM.63MM.X2
Ships in 1 Business Day
$599.99 USD
Free Shipping
ES#5457426 - UVM63MMTSTYLEX1 - Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457426
Mfg#:
UVM63MMTSTYLEX1
Ships in 1 Business Day
$499.99 USD
Free Shipping
ES#5457437 - UVM.89MM.X1 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.5" (89mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457437
Mfg#:
UVM.89MM.X1
Ships in 1 Business Day
$399.99 USD
Free Shipping
ES#5457433 - UVM76MMDUALOUTx2 - Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 2 Mufflers - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457433
Mfg#:
UVM76MMDUALOUTX2
Ships in 1 Business Day
$599.99 USD
Free Shipping
ES#5457424 - UVM63MMDUALOUTX2 - Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 2 Mufflers - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457424
Mfg#:
UVM63MMDUALOUTX2
Ships in 1 Business Day
$599.99 USD
Free Shipping

OE-style replacement 1-row radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
3545331
Mfg#:
3159
Ships in 3 Business Days
$105.99 USD
Free Shipping

Matched set with connections affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DeatschWerks - Corporate Logo
ES#:
5446104
Mfg#:
17U-01-0550-4
In Stock at Vendor
$329.00 USD
This product is lifetime replacement eligible Lifetime Replacement

A complete hose kit for your intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with AWD or AWW engine codes only

Brand:
Forge - Corporate Logo
ES#:
261186
Mfg#:
FMKT006-BLUE
Ships in 3 Business Days
$189.00 USD
Free Shipping
on orders $49 and up

Engages water-methanol system at 35PSI Adjustable from 25-50psi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826280
Mfg#:
81081
Ships in 2 Business Days
$74.99 USD
Free Shipping
on orders $49 and up

Hard anodized and Teflon coated for low friction and prolonged wear resistance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Techtonics Tuning - Corporate Logo
ES#:
4726766
Mfg#:
VR6RC84
Ships on Jun 29, 2026
$85.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Average gain of 32 horsepower and 34 lb-ft of torque. For engine code ALH up to 2003 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires upgraded fuel injectors. For vehicles from the 2000 model year only. Vehicles older than 2000 require ECU removal and physical chip swapping and

Brand:
Tunezilla - Corporate Logo
ES#:
2917821
Mfg#:
VE-TDI-001.5
Ships in 7 Business Days
$399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2795742 - MKIV19DSLSFTKT - 1.9L Diesel Performance Software Program - Upgrade offers an excellent 15-30% gain in peak torque and horsepower over the factory output. - APR - Volkswagen

Upgrade offers an excellent 15-30% gain in peak torque and horsepower over the factory output. Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa

Brand:
APR - Corporate Logo
ES#:
2795742
Mfg#:
MKIV19DSLSFTKT
Ships in 1-2 days
$612.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4686062 - UVM.63MM.x1 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
4686062
Mfg#:
UVM.63MM.X1
Ships in 5 Business Days
$399.99 USD
Free Shipping
on orders $49 and up
ES#4734088 - CR-VW144-20 - Supertech Forged Connecting Rod - Priced Each - 144x20 Forged Rod with ARP 2000 hardware. - Supertech - Audi Volkswagen

144x20 Forged Rod with ARP 2000 hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4734088
Mfg#:
CR-VW144-20
Ships in 8 Business Days
$208.99 USD
Free Shipping
on orders $49 and up
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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