ok best thing to do wit ur accord is get a comptech supercharger.i have it and damn u will fly.as for exhaust i have a custom setup wit 6-2-1 headers then it goes to 3 inch till the mufflers which are apex'i n1's and they have a deep tone and power. ive got other mods to my accord if u need any ideas my aim/aol name is wellhungfor16 ill help ya wit wat u need