CUSTOM MODS

Lots of people wonder what kind of intake to put on their Impalas/Grand Prixs with the 3800 engine. Some put the K&N Panel filter in their stock airbox, some opt for a K&N Cone setup, some for CAIs or FWIs. I'm gonna give my opinion on all this from my research and experience:

1. As far as performance, you aren't going to get any from the K&N Panel filter. It's only redeeming point is that it is cleanable and reusable. You won't gain any more than 1 or 2HP. Another option is to buy the K&N panel filter and ! "gut" you