I picked up a cherry bomb oval muffler from autozone for $20 for my friend's civic. This was combined with DC Header, RT high flow cat, 2.25 piping with resonator and she says it sounds like the trust muffler she had on previously. But if you prefer to get either one of those I would get the Dynomax one, my friend ran a dynomax on her previous HB and it sounded nice.