Hello,

Check out this thread.....

http://www.grandprix.net/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=1;t=004410;p=0&r=nfx

Modifying it shouldn't be an issue with your laws. You are after the Catalytic Converter, and as long as the O2 sensor gets a home in the same location, you should be good to go.

Later now,
Clint