AMSOIL sells a line of air filters that is head and shoulders above K&N. Not only filters better, but no oil to mess with. Lasts 100K miles. Should be able to cross with your K&N.
2006 Premium GT Convertible
Screaming Yellow, Black Top
Michelin Pilot Super Sport tires
18" "Fanblade Wheels"
CORSA Performance exhaust
Brenspeed 87 octane performance tune