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GReddy Aluminum Weld-On BOV Flange GReddy GRE11900451
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GReddy Aluminum Weld-On BOV Flange

GReddy
GRE11900451
Blow Off Valve Accessories
7 Units In Stock - Ships Next Business Day
$ 45.00 $ 42.75
$ 42.75

SKU: 11900451

GReddy Aluminum Weld-On BOV Flange 11900451 Universal Turbo Accessory

The GReddy Aluminum Weld-On BOV Flange 11900451 provides a direct mounting point for GReddy blow-off valves on custom charge pipes. Weld it onto aluminum or stainless steel piping in forced induction systems on vehicles like Subaru WRX STI Nissan 350Z and Mitsubishi Lancer Evolution for dependable operation. Ensures airtight seal to handle high boost levels without leaks during throttle lifts.

Key Features

  • Billet Aluminum Construction: Lightweight durable material resists corrosion and high temperatures in turbo environments
  • Precision Machined Interface: Exact tolerances match GReddy Type-S Type-RS Type-RZ and Profec BOV outlets for flawless alignment
  • Included Hardware: Comes with silicone gasket and stainless steel bolts for immediate secure assembly
  • Weld-On Design: Fits 44mm OD piping common in aftermarket intercooler setups for straightforward integration
  • Compact Profile: Minimal added bulk preserves hood clearance and piping flow dynamics

Product Notes

  • Requires proper welding preparation on clean pipe surfaces for strongest bond
  • Inspect gasket condition regularly for long-term performance
  • Store in dry area to prevent surface oxidation

Installation Notes

  • Professional installation recommended.
  • TIG weld preferred for aluminum pipes to avoid warping
  • Hardware compatible with all GReddy BOV models bolts torque to 8-10 ft-lbs

This Part Fits

Year Make Model Submodel
2002-2007 Subaru Impreza WRX STI
2003-2009 Nissan 350Z All
2003-2006 Mitsubishi Lancer Evolution VIII IX
1995-2002 Nissan 240SX S14 SE S15
2004-2021 Subaru WRX All Turbo
2007-2015 Mitsubishi Lancer Evolution X

Why Choose GReddy?

  • Established JDM performance leader since 1977 with motorsport heritage
  • Focus on forced induction components tested in racing applications
  • CNC precision manufacturing ensures consistent quality and fit

Frequently Asked Questions

  • Q: Will this flange work with my GReddy Type RS BOV on a Subaru WRX?
    A: Yes it bolts directly to Type RS and other GReddy BOVs after welding to your charge pipe
  • Q: What type of welding is needed for installation?
    A: TIG welding on aluminum or stainless pipes works best clean surface first for full penetration
  • Q: Does it include mounting hardware?
    A: Yes includes silicone gasket and stainless bolts ready for BOV attachment

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Compact box 5 x 4 x 2 inches
  • Weight: 0.22 lbs

Request For Information

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