an idea for ppl who are picky on exhaust sizes. first get a pen ink tube and cut it so the it'll stick out from out of under the car. then get a straw and cut at desired length of exhaust tip. finally cut the side of the peice of straw so that you can flatten it... but don't.
now you can adjust the size of your exhaust because you are able to over lap the straw for different sizes!! enjoy