I think I will try the Airaid brand after our H3 is ready.
Here is their website
http://www.airaid.com/200-180_hummer.asp
They also show companies that sell their products. The one I am going to order from is at:
http://store.summitracing.com/default.asp?target=/egnsearch.asp&N=400029
The part is 200-180 for the air intake.
May put a new exhaust system on also.