Nah, I have never heard it halfway...only ever heard it all the way open or all the way closed. Honestly, it's just one more thing to break/give you problems when it comes to modding your car. You can get a turboback exhaust and put a removable silencer in the muffler if you want to adjust the sound level...that's what I would do.
hey you replyed to my post about the QTP downpipe..saying how loud and ****ty it is lol... i was just wondering.. do u know how it sounds when its partially open? instead of 100%... like 30 or 15% ?? let me know thanks