Forum: Performance and Technical Chat
01-31-2019, 01:26 PM
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Replies: 19
Views: 3,346
I think this is what...
I think this is what (http://986forum.com/forums/diy-project-guides/70112-internal-exhaust-mod.html) you're looking for. There is also a modification called the Crios Modification which I think...
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