Has anybody purchased the front underbody spoiler and do you know if it increased your gas mileage? If it did, how much did it increase it buy and is it worth the purchase?
I have the underbody front spoiler but I can't tell you if it helps on gas mileage since it has been on my car since day one. It does look good though but you have to watch since it scrapes on everything.
Anything to reduce airflow under and through the car will help mpg. I think someone has the full mugen kit and said he got 4-5mpg increase.
Myself, I am going to use the rain gutter method. Take a rain gutter, slip it so you have 2 L shapes. Then mount it on the underside of the bumper to deflect air to the left and right from the front like the splats try to do.
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Enginer 4 kilowatt PHEV, 3000k 35 watt fogs, Eco bulb highs, 4300k 35 watt low all w/relay kits, DRLs/Rear Wiper removed&rear interior gutted, Sony HU W/front speakers, Tanabe nf springs, 35% tint all around, all LED lamp replacement, 09 fit progress rear sway bar, OEM block heater, full gril block, KN Filter, Honda vent visiors, group 51 battery, home made balancer/grid charger Best/Worse MPG 96/36
Whats your MPG? That looks pretty nice. It is lower so I would think it would lower the MPG's a little.
I live in Pittsburgh and if you know the terrain we have a lot of hills. I get around 45 to 48 mpg in the summer and 40 mpg in the winter. So I don't know if you can compare my mpg to the area you live in.
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