Hi , i have a 2002 bonneville ssei with a 3`50 pulley size and a exhaust system, what other small mods can i do to add hp and better fuel economy?

thanks for any suggestions.

Ahh yes the age old question....first you have FWI or CAI..Shut off your trac control lol..im sure there is other stuff to

You can get your PCM performance tuned. After that your looking at adding rockers, or a cam, headers or PLOG, ported supercharger will also help a little, but unless you deal the the valve train it will do little.