I have a apexi n1 exhaust muffler, nothing wrong with it.... just a couple scratches on the bottom... but its not a ricey annoying exhaust and it doesnt whine after you slow down from high rpms.... its actually really nice and i love the sound but im getting a different tip... this is what it sounds like

YouTube - Integra GSR Apexi Exhaust


this is what it looks like: