The skunk2 is made by a company called Invidia, and like most canister-style exhausts, it is loud. To determine whether or not you like loud exhausts I suggest reading this thread: https://www.honda-acura.net/forums/s...ad.php?t=35132 (please don't post in it)

As for power gains, a typical GSR with bolt ons (intake, header, exhaust) makes a total of about 10 hp more than stock.