Hello this is my first post and I am new to these forums. I have owned my mazdaspeed 6 for about and month and just have a few basic questions about the recirclation valve. I need something that will recirculate the air. How can I get the good old turbo wsshh sound, because as far as I understand this is different then a bov. Could you provide any links to a low priced kit, list any problems assoicated with this mod, and any picture step by step would be great.