i was wondering if anyone has changed just the muffler on there lightning if so can u give me the part# i want to put a flowmaster on it but cant find the part # . also how is everyone puttin cone filter on the stock intake . do u have to cut the stock air box and put it over it if so can u give me that part# and the diameter of the inlet thanks

 

Check the Lightning FAQ's for both questions, or do a search for "intake" & "muffler" or "exhaust". There is a LOT of info on both if you look for it.

P.S. You might also try being a little more descriptive in your choice of subject lines.