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- 2001 Mazda MP3
since the mid pipe, test pipe, what ever you wanna call it yields good gains, wonder what would happen if you added an electronic exhaust cut out with the mid pipe, so when you're at the track you can just open it up.
http://www.mphparts.com/UNV-QTPEC/QTEC25CP.html
so just have your standard midpipe with this welded in between
http://www.mphparts.com/UNV-QTPEC/QTEC25CP.html
so just have your standard midpipe with this welded in between