2003 monte ls exhaust system?
 

Im looking for exhaust for my 3400 series monte. not sure what to get but i know i want straight pipes. I would like to get it to sound like the LS in this video-->Straight pipes!!!!! What u know bout that? - YouTube

I need some suggestions on what system to get and if i need a whole system or just some parts. its a 3.4l v6
also i would like to have dual exhaust with a Y pipe or any cheaper ways

I just removed my stock muffler and it sounds like that one in the video. Then you can custom build your Y pipe to make duals

Put a glasspack in place of your resonator and get rid of the stock muffler. Gives you little to no rasp, sounds great in my opinion.

I'll try to get a video of my car up here soon..