The great intake debate!

[fmicle]

Originally Posted by Tamago

noise is an emission

but from the aspect of "air quality" emissions, i have no idea how an intake would cause your car to blow out more "bad" gasses. now, if you're bypassing your PCV setup with your intake (dumping oily air into the environment) that could affect emissions, but it would not be measurable at the tail pipe with a sniffer.

Amen!

That's what I think, too, it's the air/fuel ratio, the gasoline itself and the catalytic converter which determines what comes out the exhaust, not the air intake.