PPE makes one or you could buy a banks big head wastegate. I would go with the PPE unless you want to add actual guages.....the PDA takes the boost off of the map sensor and some sensors can't read above 25.6 psi. Besides I think the PPE (pacific performace) is pretty cheap $30. see it here: http://www.pacificp.com/index.php?ma...products_id=43
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