Originally Posted by homey55
there were a couple cosworth units for sale in the classifieds. Unfortunately, that is the only legal unit for our car. K&N also has a CAI that is CARB approved and will fit our car and should have no problem passing the visual inspection. http://www.knfilters.com/search/prod...x?Prod=57-2559
Cosworth CIA thats CARB legal for 03 would be hard to find.The CARB EO# for 03 is D-594-1. Only ones I have seen were D-594 which is only approved for 04. The K&N you linked to is only approved for 05. K&N doesn't make anything approved for 03 Duratec.
If the shop is actually concerned about CARB stickers they will most likely run the EO#s. Just saying CARB approved means nothing. If they run the EO#s and they don't match model year and motor size, it will fail. As far as I know, there are no CARB legal intakes for 03 2.3 Duratec.