Quote:
Originally Posted by Packofcrows
28.5-29.6 mpg mixed driving rural city and hwy 101. 2014 6 spd manual. It finally stabilized after 13 fill ups.
TRD intake/exhaust lowered my mpg by 3. I'm happy with it.
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A decent tune will improve that, and the power as well. Changing the intake usually requires a tune to realize the full benefit, if any, and you shouldn't be losing MPG from that.