Decided to go with the K&N FIPK over Joe Z just because it was easier to get over here in Canada. I want to thank IS Joe for his help. The FIPK was much more expensive but I was able to pick one up at my local speed shop. Thanks to everyone on the board for all the info, the FIPK is great. Pretty easy to install except for the bracket thing and the rubber around the heatshield. Why doesn't that come pre-installed? The sound at WOT is fantastic and I think the car feels more responsive. I hope my mileage improves. I have a 2005 5-speed and my part number was different. It wasn't the 57 series FIPK it was the 63 series. Anyone know what the difference is? It looks identical to the other FIPKs I've seen posted here. Thanks again for all the info.