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TheseColorsDontRun · 09-04-2013, 11:30 AM

I have a Perrin drop-in and have noticed zero change in mpg. My dash readout has been pegged at 33.3 for the last few tanks, with the actual mpg being whatever is in my sig.

09-04-2013, 11:30 AM	#17
TheseColorsDontRun Keep calm and drive on Join Date: Sep 2012 Drives: 2013 WRB BRZ Limited 6M Location: Mt. Airy, MD Posts: 404 Thanks: 56 Thanked 169 Times in 119 Posts Mentioned: 19 Post(s)	I have a Perrin drop-in and have noticed zero change in mpg. My dash readout has been pegged at 33.3 for the last few tanks, with the actual mpg being whatever is in my sig. __________________ Build thread Last edited by TheseColorsDontRun; 09-04-2013 at 07:15 PM.