Quote:
Originally Posted by M9G
There certainly are alot more contributing factors, I once took my ST mondeo to a rolling with a performance cone filter on and was down on power, rolling road guy told me to put original airbox back on with a decent filter which I actually still had in the boot of my car, I put it on and went back on the rolling road and performance went up. So yes a performance filter can have the opposite effect.
One key factor with the more air statement is "cold air"
I watch alot and I mean a lot of American mod programs and I cringe every time I see a beautifully modified car with a cone filter added into the engine bay sucking in lots of hot air
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Good point but the engine ecu needs to be tuned in for the mods in many cases, plus if you have more air flowing in and did nothing to the exhaust to get the air out more efficiently.
There certainly is more to it than throwing on air filters and loose exhaust but more air in more air out is the basis of developing more power. Idea is to increase combustion and evacuate gases more efficiently. Hot rodding 101!