Drop in MPG after K&N Dropin? - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

amaciose · 12-27-2013, 04:18 AM

So quick update.

Freeway driving over the holidays, maybe averaged 75 mph for a full tank and averaged 36 mpg. This seems about where my mileage was at before the last time I made this drive.

Either the drop was due to driving style or the ECU adjusted after a few tank refills. Of course I know next to nothing about how all that works so who knows.

Robert95g · 12-27-2013, 02:00 PM

I had it set to 3.500 hundred for the first like 7k miles. Nonetheless I don't ever go over 4k when driving normally I do accelerate a lot tho and drive very spirited haha.

cooldandani · 12-27-2013, 02:03 PM

Did a 1200 mile drive and average 31 mpg at 80-85 mph

Sent from my SGH-T889 using Tapatalk

BlueDubbinTDI · 12-27-2013, 02:16 PM

I have the same drop in and a catless front pipe and mine stayed the same ~28.6-29.3mpg per tank on the screen consistently.

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12-27-2013, 04:18 AM	#15
amaciose Senior Member Join Date: Oct 2013 Drives: 2013 BRZ Limited Location: Tucson, AZ Posts: 266 Thanks: 224 Thanked 127 Times in 78 Posts Mentioned: 27 Post(s) Tagged: 0 Thread(s)	So quick update. Freeway driving over the holidays, maybe averaged 75 mph for a full tank and averaged 36 mpg. This seems about where my mileage was at before the last time I made this drive. Either the drop was due to driving style or the ECU adjusted after a few tank refills. Of course I know next to nothing about how all that works so who knows.

12-27-2013, 02:03 PM	#17
cooldandani Senior Member Join Date: Oct 2013 Drives: Posts: 115 Thanks: 19 Thanked 13 Times in 10 Posts Mentioned: 1 Post(s) Tagged: 2 Thread(s)	Did a 1200 mile drive and average 31 mpg at 80-85 mph Sent from my SGH-T889 using Tapatalk

12-27-2013, 02:16 PM	#18
BlueDubbinTDI Senior Member Join Date: Mar 2013 Drives: 2013 FR-S, 2012 MCS Location: Jax, FL Posts: 1,975 Thanks: 943 Thanked 570 Times in 356 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	I have the same drop in and a catless front pipe and mine stayed the same ~28.6-29.3mpg per tank on the screen consistently.

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