Don't waste your money - you're not going to see any power gain. In fact, you might theoretically see a power loss from sucking hot underhood air. Also those cloth filters don't clean the intake air as well as the OEM filter.
Short answer is just use the stock airbox and a good paper filter. For the long answer to a search here on "K&N".
Short answer is just use the stock airbox and a good paper filter. For the long answer to a search here on "K&N".