Someone posted that he saw an mpg gain from this on a forum dedicated to the Focus...took me a long time to try it due to believing it had little chance of working. I already had what I thought was a good flow...don't exactly run the car a full throttle a lot...taxing the intake system. You can buy these cone filters at parts stores for not too much (the off brands)...installing it like I did means it is easily reversible.
All the brilliant analysis as to why it won't work is FUNNY.
Just like watching people TAKE A DUMP.
cons? Noisy if you floor it...not the best filtering in a dusty area?
I wouldn't want to encourage anyone to improve their mpg...it's like pushing drugs.
Quote:
Originally Posted by HydroJim
Please do more testing because if this is true, I'll have to install one of these on my focus.
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