fist question;

my friends 92 or 93 240sx fb se, everytime he starts up his car, there is a squeak, very noticeable when start-ups, in the engine bay, it goes on for a couple seconds but then after it stops, i think it might be his belts but not quite sure.

anybody can figure out whats wrong?

second question;

anybody here have a megan exhaust? likes and dislikes about it? hows the sound? i plan on getting it but not sure if i should.

heres a site of the megan exhaust;

http://www.optionimports.com/merast80ex89.html