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Greddy Blow Off Valves

GReddy Blow Off Valves are easily adjustable to eliminate compressor surge and preventing premature boost leakage, while increasing boost response between shifts. Each valve is made of durable cast and billet aluminum frame and the valve to diaphragm ratio provides performance that cheap piston types cannot offer. The spring stiffness adjustment screw and the three different sizes give the GReddy user the option to match vehicles with mild upgrades to heavily tuned engines. There are many factors in matching a blow-off valve to an application, valve location, turbocharger size and pressure, but as a general rule of thumb, we recommend the Type RS for 100-400hp, Type R for 260-450hp and the Stiff Spring Type R for over 400hp applications. Also available in easy to install kit form for many turbocharged vehicles.

*Here's a hint: Looking for your application? Press CTRL + F and type in your vehical make or model into the search box.

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Product ID: GREDDY15-11900470
Greddy Blow Off Valve 19-21mm OUTLET R - 11900470

Details 
Price: 17.29 CAD
 
Product ID: GREDDY09-11900511
Greddy Blow Off Valve 19mm OUTLET RS - 11900511

Details 
Price: 15.76 CAD
 
Product ID: GREDDY16-11900471
Greddy Blow Off Valve 28-35mm OUTLET R - 11900471

Details 
Price: 17.29 CAD
 
Product ID: GREDDY10-11900512
Greddy Blow Off Valve 29mm OUTLET RS - 11900512

Details 
Price: 15.76 CAD
 
Product ID: GREDDY11-11900513
Greddy Blow Off Valve 32mm OUTLET RS - 11900513

Details 
Price: 15.76 CAD
 
Product ID: GREDDY12-11900514
Greddy Blow Off Valve 34mm OUTLET RS - 11900514

Details 
Price: 15.76 CAD
 
Product ID: GREDDY13-11900490
Greddy Blow Off Valve 40mm OUTLET R - 11900490

Details 
Price: 14.28 CAD
 
Product ID: GREDDY14-11900491
Greddy Blow Off Valve 45mm OUTLET R - 11900491

Details 
Price: 14.28 CAD
 
Product ID: GREDDY05-11900451
Greddy Blow Off Valve ALUM. FLANGE S/RS/R - 11900451

Details 
Price: 36.21 CAD
Greddy Blow Off Valve Kit MAZDA RX-7 T/T 1993-96 Type RS - 11541103
Product ID: GREDDY03-11541103
Greddy Blow Off Valve Kit MAZDA RX-7 T/T 1993-96 Type RS - 11541103

Details 
Price: 295.80 CAD
Greddy Blow Off Valve Kit MAZDA RX-7 TURBO 1987-92 Type RS - 11541101
Product ID: GREDDY02-11541101
Greddy Blow Off Valve Kit MAZDA RX-7 TURBO 1987-92 Type RS - 11541101

Details 
Price: 295.80 CAD
Greddy Blow Off Valve Kit MITSUBISHI ECLIPSE GST/GSX 1995-99 RS / returns - 11531107
Product ID: GREDDY05-11531107
Greddy Blow Off Valve Kit MITSUBISHI ECLIPSE GST/GSX 1995-99 RS / returns - 11531107

Details 
Price: 285.60 CAD
Greddy Blow Off Valve Kit MITSUBISHI EVOLUTION 2003-on Type RS - 11531111
Product ID: GREDDY04-11531111
Greddy Blow Off Valve Kit MITSUBISHI EVOLUTION 2003-on Type RS - 11531111

Details 
Price: 295.80 CAD
Greddy Blow Off Valve Kit SUBARU WRX / STI 2002-on RS / returns - 11561110
Product ID: GREDDY06-11561110
Greddy Blow Off Valve Kit SUBARU WRX / STI 2002-on RS / returns - 11561110

Details 
Price: 311.10 CAD
Greddy Blow Off Valve Kit TOYOTA SUPRA T/T 1993-97 Type RS - 11511128
Product ID: GREDDY01-11511128
Greddy Blow Off Valve Kit TOYOTA SUPRA T/T 1993-97 Type RS - 11511128

Details 
Price: 306.00 CAD
Greddy Blow Off Valve Kit VOLKSWAGEN GOLF / JETTA 1998-05 RS / returns - 11599500
Product ID: GREDDY07-11599500
Greddy Blow Off Valve Kit VOLKSWAGEN GOLF / JETTA 1998-05 RS / returns - 11599500

Details 
Price: 300.90 CAD
 
Product ID: GREDDY18-99900062
Greddy Blow Off Valve R DIAPHRAGM R - 99900062

Details 
Price: 84.15 CAD
 
Product ID: GREDDY19-11900501
Greddy Blow Off Valve STD R SPRING R - 11900501

Details 
Price: 38.25 CAD
 
Product ID: GREDDY04-11900450
Greddy Blow Off Valve STEEL FLANGE S/RS/R - 11900450

Details 
Price: 33.41 CAD
 
Product ID: GREDDY20-11900510
Greddy Blow Off Valve STIFF R SPRING R - 11900510

Details 
Price: 38.25 CAD
Greddy Blow Off Valve TYPE R std 47 mm - 11501660
Product ID: GREDDY02-11501660
Greddy Blow Off Valve TYPE R std 47 mm - 11501660

Details 
Price: 267.24 CAD
Greddy Blow Off Valve TYPE R Stiff Spring stiff 47 mm - 11501661
Product ID: GREDDY03-11501661
Greddy Blow Off Valve TYPE R Stiff Spring stiff 47 mm - 11501661

Details 
Price: 267.24 CAD
Greddy Blow Off Valve TYPE RS 40 mm - 11501662
Product ID: GREDDY01-11501662
Greddy Blow Off Valve TYPE RS 40 mm - 11501662

Details 
Price: 241.74 CAD
Greddy Relief Valve - 11501710
Product ID: GREDDY01-11501710
Greddy Relief Valve - 11501710

Details 
Price: 125.97 CAD
Greddy Relief Valve ADAPTER - 11900520
Product ID: GREDDY02-11900520
Greddy Relief Valve ADAPTER - 11900520

Details 
Price: 40.29 CAD


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