Get that Exhaust tone you've been looking for!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles featuring a "non-cutout" rear valance. Hidden (turn down) exhaust tip.
Volkswagen MK4 Performance Engine Parts
- Blow Off Valve
- Camshaft
- Catch Can
- Connecting Rod
- Cooling
- Crankshaft
- Cylinder Head
- Diverter Valve
- Engine Girdle
- Exhaust
- Fueling
- Hoses
- Intake
- Intercooler
- Mounts
- Oiling System
- Performance Package
- Pistons
- Pulleys
- Software
- Sprint Booster
- Stroker Kits
- Throttle Controller
- Turbocharger
- Water-Meth
OE-style replacement 2-row radiator
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Comes with 9 coolant hoses in Red
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
+1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
*Oversized valves require extra machine work to the cylinder head.*
CNC machined in-house from billet aluminum - includes -6 AN fittings and mounting hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Gaskets will deflect heat and reduce air intake temps
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Designed to handle continuous temperatures up to 1,800°F
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2D Progressive Water Methanol Engagement (Boost / High Flow Fuel Pump 0-5V)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Already have water/meth injection? Upgrade your system with the best controller available!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Snow Performance Hyper-Sonic water-methanol injection nozzle
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
A full set to secure your cylinder head. M10x1.5x115
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This product was last offered at the strikethrough price on
02-26-2026
Performance cold air intake
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states
This product was last offered at the strikethrough price on
05-15-2026
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
Get access to even more vehicle data using PROLINK+ to wire in up to 2x analog signals and 1x CAN bus signal. Compatible with MPVI2+ and MPVI3 interfaces.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For use with HP Tuners MPVI2+ and MPVI3 interfaces only.
This product was last offered at the strikethrough price on
05-12-2026
Average gain of 24 horsepower and 43 lb-ft of torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Average gain of 19 horsepower and 20 lb-ft of torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms