GReddy Type-S Blow-off Valve:

The turbo originally came with a very nice aluminum, TIG welded pipe to connect the turbo outlet to the throttle body.  Somewhere in-between the two was an HKS non-adjustable blow-off valve as seen in this photo.

Since the pipe between the turbo and throttle body had been changed, I purchased a GReddy Type-S adjustable blow-off valve to replace the non-adjustable HKS BOV.

I first had to have a universal GReddy BOV flange welded on the pipe to accomodate the valve.  Once that was done, it was a matter of bolting it on, connecting the vacuum line, and adjusting the spring. Unlike the HKS, the GReddy actually makes a nice loud whistle as the dumped air leaves the valve.

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