Air Filters:
http://www.ozhonda.com/forum/showthr...+best+for+dc5r

And CAI's For DC5R
http://www.ozhonda.com/forum/showthr...ction+for+dc5r

here is also the Bang For your bucks thread. DC5R
http://www.ozhonda.com/forum/showthread.php?t=12532