I have this exhaust for sale, 2.5 inch size for Q50. It comes with resonator and 4 flanges installed on it. It's clean. The tip at the end is cut, you can reattach it or close it. Its sound is nice, mellow, and beautiful. Location (Dammam). Outside Dammam, shipping is on the buyer for a very symbolic amount, around 100 SAR. It was installed on a 3.0T and you can install it on a 3.7 with a little modification. Agency mufflers (upper and lower) for sale, very clean. They were removed from a car with 30,000 mileage, like new. All are for sale for offers. Please do not undervalue the items. May God bless you.