+1 on Maddad. The whisper was designed exactly for people like you. The items are really well made, a gentleman's exhaust. I have personally met the owner of Maddad and it's a guy that I like giving my business to. He sometimes takes extra few days to respond but if you have a problem, he does get back to you and stands behind his products. The whisper is exactly what you're looking for. I am running his street essentials exhaust, which is a little bit louder than whisper and it's very much a worthy DD setup. The only downside, the price. You get what you pay for. And what you're paying for is the design and quality of construction. As a second option, consider TurboXS setup. It's supposed to be quiet and the price is pretty competitive. Whatever you go with, just remember that the hatches are much more prone to droning and few options out there will not drone and be quiet inside. Your choices will be limited because of that. I can tell you, there are few things more annoying than a droning exhaust. Don't make that mistake because you wanted to save a few $$.