GFB Atmosphere-Vent Conversion Kit for Mach 2 BOV (5933) Mishimoto Scroll down until you see

Scroll down until you see the serial port listed

Compact design with a housing diameter of 11" and an overall thickness of 3

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A genuine Koyorad Hyper Cap is recommended for use with every Koyorad All Aluminum Performance Radiator (when applicable)

and program a time-based scramble boost setting that is controlled using a switched input

GFB Atmosphere-Vent Conversion Kit for Mach 2 BOV (5933) Mishimoto Scroll down until you seeThe Go Fast Bits Mach 2 BOV conversion kit is designed for the T9133 Evo 3000GT BOV and the T9103 Subaru BOV and allows you to vent the valve to atmosphere instead of recirculating. Included is a stiffer spring to help keep the valve closed at idle to prevent stalling and backfiring, the new trumpet and plug. Purchase Includes: (1) Spring (1) Trumpet (1) Adapter Fitting Part Number: Fits BOV: For Vehicle: 5933 GFB Mach 2 (T9133) Evo 1 2 3 4 5 6 7 8 9