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I have just read this post on the FX forum:
installed a k&n airfilter to get better gas mileage for my fx45.....i was getting 12miles a gallon ....now i am getting 10.5 miles(only city driving)
and the reply:
Drop in or cone filter?
The MAF is calibrated for the [to match the] oem air box and filter.
Changing things in front of MAF can cause strange reactions, especially if oil gets on sensor elements, or hotter under hood air gets into the system, or just the shape of air flow changes creating strange vortices!
I have been using K&N for the last 25k miles and did not really notice any difference. Performance or milage wise. Anybody out there with different experience?
installed a k&n airfilter to get better gas mileage for my fx45.....i was getting 12miles a gallon ....now i am getting 10.5 miles(only city driving)
and the reply:
Drop in or cone filter?
The MAF is calibrated for the [to match the] oem air box and filter.
Changing things in front of MAF can cause strange reactions, especially if oil gets on sensor elements, or hotter under hood air gets into the system, or just the shape of air flow changes creating strange vortices!
I have been using K&N for the last 25k miles and did not really notice any difference. Performance or milage wise. Anybody out there with different experience?