enthusiast,
aren't u glad dat u asked b4 u buy?hehehehe...i think dat's a GSR engine ler.....prolly d owner last time oso kena con himself ler?ehhehehehhehe
n errrkk...u mean got Bseries engines without d "A" n "Y" pulak arr??aiyoorr..y so pening 1??
I'll comment about this specifically for Airtreks or Evos. I've been using K&N drop in since I got the Airtrek 5 years ago. Never tried open pod before, and now itchy handed.