The stock intake sucks in cooler air than the CTA intake, but only by 20% or so.
The CTA sucks in about 3 times more air.
Also the intake tract of the CTA is a straight, smooth shot to the TB from the filter keeping the air intake velocity up.
Whereas the stock intake is all fugged up with silencers and resonators, keeping the intake quite and robbing of the car of valuable HP.
Currently, the CTA is the best available intake upgrade for us.
Though, some people have used intakes meant for the Focus.



Frank McCoy aka Mod-deth aka Mid Life Crisis aka SVT Doood aka mcgainer is a SCAM ARTIST Pre98 Zetec - Some Mods