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Old 07-29-2014, 03:59 AM   #221
enwave
That headunit though...
 
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Join Date: Jun 2013
Drives: 2013 Subaru BRZ Limited SSM
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OFT Tune for OFH+Phantom ESC with 1.5 Dump Pack [Beta]

Quote:
Originally Posted by fenton View Post
I run 94 exclusively. It does it with the OFH and trackpipe. I think they are the main causes.

I have a Q300 and OFH, and I am not sure it is "backfire" per se, but I get a little pop when I shift at WOT. It sounds mostly just like air and not like any sort of detonation. Just a side effect of the wider piping I think. Might be different from what you guys are getting though.
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2013 BRZ Limited SSM 6AT
Phantom ESC 1.5Dump + E85 + OFH + Q300
Eibach Pro-Kit + Michelin PSS (stock size)

Last edited by enwave; 07-29-2014 at 05:19 AM.
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