The HKS SSQV is one of the best blowoff valves ever created and one of the longest standing at that. CP-E has created a flange that is designed to interface with the HKS valve and bolt directly onto your Mazdaspeed 3 or 6. CNC machined from billet aluminum for strength and an awesome, clean look in your engine bay. This is the FLANGE ONLY but is also available as a kit with a recirculation hose or in a full kit with the blowoff valve.
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