what engine do i have?

[onstar]

got a 2004 Grand Prix GT2. Is that the L36???? THinking about putting some KN cool air filters in for some increase HP. is that a good idea?

[kustomkid54]

Originally Posted by onstar

got a 2004 Grand Prix GT2. Is that the L36???? THinking about putting some KN cool air filters in for some increase HP. is that a good idea?

Filter won't give you too much. Cold air box would be your better way to go.

[kustomkid54]

Originally Posted by onstar

got a 2004 Grand Prix GT2. Is that the L36???? THinking about putting some KN cool air filters in for some increase HP. is that a good idea?

Here's the best write up I can find on your car. And by the looks of it, a good site. The postage maybe higher, but you save money on the rate of ex.
http://www.highlevelmotorproducts.co...grand-prix.htm

[kustomkid54]

Originally Posted by onstar

got a 2004 Grand Prix GT2. Is that the L36???? THinking about putting some KN cool air filters in for some increase HP. is that a good idea?

This is what I came up with;