GTP muffler Sound Clips

I need some sound clips of different mufflers. Like Magnaflow, flowmaster, etc... No other mods, just mufflers. I would like to give my GTP a little growl but not sound like some high powered V-8 or a coffee can, moose in heat muffler.

Thanks

here check this page out someone posted it before.
http://www.rmcgp.com/exhaust/