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#12: 06-12-2011, 10:11 AM
TRSCobra's Avatar
Title: Burning Monkey
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Location: Olalla, WA
Car: '12 Mazda 3, '12 C300 4matic, '06 Z06
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Originally Posted by BAC5.2 View Post
Call DriveShaftShop and see if their blue boots fit stock axles. Those things are pretty tough.

Why did you have it dump before the O2 sensor? I've never seen a butterfly cutout that didn't leak.
Good idea, thanks!

I placed it as close to the turbo as i could, where it would have the fewest clearance issues. I asked infamous (who is working on my current tune) about the O2 sensor and he said it wouldn't be an issue. I don't get a CEL when it's open, either.

This one has a silicone o-ring in a machined recess around the closed butterfly, which helps with leaks. It does still leak a little around the shaft, but not enough to hear or smell, though.