Forge Performance Products - VW MK4 GLI & 337/20th
Since 1996, Forge Motorsport has provided innovation, clever design, and highest quality manufacturing from their in-house CNC machine shop.
Not only has Forge Motorsport made a name for themselves in supplying OE manufacturers with valves, intercoolers, and actuators, but they have excelled in the world of Motorsport with a heavy presence in F1, WRC, Rally X, and Le Mans. Look no further than Forge for all your performance needs!
Forge Ahead
Fits:
VW MK4 Jetta GLI 1.8T (2004 - 2005)
VW 337/20th (2002 - 2003)
Side Mount Intercooler - Polished
Fits in stock location, excellent upgrade over stock
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
1832080
Mfg#:
FMINTMK4S
008 Premium Diverter Valve - Anodized Black
Smaller, tougher and tuneable
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2224448
Mfg#:
FMDV008
Blow Off Valve - Atmospheric
34mm weld on dual piston atmospheric blow off valve for custom installs
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Brand:
ES#:
1832445
Mfg#:
FMDVWO34C
Blow Off Valve - Black
Made to mount on top of hard boost pipe
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
1832068
Mfg#:
FMDV004
Blow Off Valve - Polished
Made to mount on top of hard boost pipe. Side vacuum port.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2765467
Mfg#:
FMDV004A
Blow Off Valve - Polished
Made to mount on top of hard boost pipe. Vacuum port on top.
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Brand:
ES#:
1832067
Mfg#:
FMDV004C
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Availability:
Ships in 1 Business Day
Ships in 1 Business Day
Forge Supersize Recirculating Valve
Designed to offer extreme flow rates for highly modified turbocharger setups
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
1832441
Mfg#:
FMDVSUPRC
Splitter Valve - Black
Recirculation & blow off valve all in one for customers that want both styles
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
8288
Mfg#:
FMDVSPLTR
Splitter Valve - Polished
Recirculation & blow off valve all in one for customers that want both styles
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
1832064
Mfg#:
FMDVSPLTRC
DV Tuning Kit
Fine tune your Blow Off/Diverter Valve to the exact needs of your engine with this complete tuning kit.
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Brand:
ES#:
1832055
Mfg#:
FMDVTUN
K04 1.8T Turbo Wastegate Actuator
Increase boost in your engine with this new actuator
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
1832380
Mfg#:
FMACVAG01
Wastegate Actuator Spring Tuning Kit
Fine tune your wastegate to the exact needs of your engine
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Brand:
ES#:
1832543
Mfg#:
FMPACTUN
Manual Boost Controller - Black - Mini
In-car boost controller for fine tuning
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Brand:
ES#:
1832074
Mfg#:
FMICB051
Manual Boost Controller - Polished
Lockable under-hood boost controller
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Brand:
ES#:
1832070
Mfg#:
FMBV050C
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Availability:
Ships in 4 Business Days
Ships in 4 Business Days
Manual Boost Controller - Polished
In-car boost controller for fine tuning
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
1832076
Mfg#:
FMICB051C
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Availability:
Ships on Nov 17, 2026
Ships on Nov 17, 2026
Manual Boost Controller-Polished
In-Car boost controller. Valve only, does not come with hoses or any accessories
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Brand:
ES#:
7932
Mfg#:
FMICB051 POLISH
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Availability:
Ships in 1 Business Day
Ships in 1 Business Day
19-25mm PCV Valve Adapter - Black
The perfect component for those upgrading their PCVs
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2597318
Mfg#:
S25-19BLK
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Availability:
Ships on Nov 18, 2026
Ships on Nov 18, 2026
19-25mm PCV Valve Adapter - Blue
The perfect component for those upgrading their PCVs
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2497366
Mfg#:
S25-19BLUE
silicone Turbo Inlet hose - Black
For cars with 19mm or 25mm PCV
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
1832574
Mfg#:
GOLFIND
silicone Turbo Inlet hose - Blue
For cars with 19mm and 25mm PCV
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
1832575
Mfg#:
GOLFINDB
silicone turbo Inlet hose - Red
For cars with 19mm and 25mm PCV
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
1832576
Mfg#:
GOLFINDR
7 Piece Silicone Coolant Hose Kit - Black
Replace your stock rubber hoses with silicone
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Brand:
ES#:
1843968
Mfg#:
FMKC005
7 Piece Silicone Coolant Hose Kit - Red
Replace your stock rubber hoses with silicone
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
1843969
Mfg#:
FMKC005R
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Availability:
Ships on Nov 18, 2026
Ships on Nov 18, 2026
Forge "Quick Shift" Short shift Kit
Lever style quick shifter to obtain optimum shift times
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
1832573
Mfg#:
FMVWQS
Forge "Side Shift" Short Shift Kit
Dial in your perfect shift
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Brand:
ES#:
1306594
Mfg#:
FMVWSQS