Cold Air Induction

Installing a K&N cone filter directly on the TB is good for about 8hp.  Don't use the replacement filter because there aren't any known improvements over stock (unless of course you have a paper filter that's dirty as hell).

Basically you remove the entire stock airbox setup and tuner tube which leads into the computer and install a breather for the rear valve cover.

  *A picture of my engine with the K&N cone.  Note how it is angled upwards.

     *A picture of my hood scoop. 

Now what I also did was install a hood scoop for my K&N filter.  I got the scoop from a junkyard off of an 88 Nissan 300ZX for $5.  Then I painted and wetsanded it and it looked like new.  I cut the hood with a grinder and turned the filter upwards so that the incoming air hits the filter directly.  This upgrade made a HUGE difference, especially in the highway when the incoming air is fastest.