Originally Posted by Steveadp' post='710294' date='Nov 3 2008, 07:17 AM

I recently put in a K&N air filter and saw the snap in charcol filter above it in the air box. Is this really important? will it throw a code if i remove it? Does removing it help out the performance at all?

Thanks for your responses.

Originally Posted by unknown' post='710808' date='Nov 3 2008, 07:19 AM

we all recommend this mod...