Thanks Bro!! Mos DEFinitly look in to that...you might want to look into the yonaka catback exhaust system kev..
or if you have a little more money to spend the apexi world sport 2..
just some popular suggestions..
Right on, Bro!Look for engine stamp.
b18a1
B18b1
B18c1
b18c5
are USDM
JDM I believe goes
b18b
b18c
Just look at the stamp and google it. You'll get your answer