cold air intake

Ok so I have a 02 z71 Tahoe and the service engine light keeps coming on and off every now and then. I scanned it and it says system to lean in both banks. I put on a K&n cold air intake and made sure everything was tight. My fuel pressure is at 45 and I know it should be higher. I was having a...

Hello Everyone, I just wanted to make a quick post to inform you all of a slight design change/improvement that we have made on our CAI's. This change will be present on all of our CAI applications, and is something that has been suggested from many of our customers. As you probably...