Johnny, I recently too have purchased a CES exhaust. to be completely honest, i fckin hate the rattle. when u are in lift on a slight bend, or turning hard right at any speed it rubs on something and u can feel it in the cabin. Now while the exhaust is extremely well made, it doesnt fit 100% correctly. most exhausts wont. I havent had a chance to look underneath and find exactly where it is hitting, or try to find a way to solve the problem, so i cant help there just yet. i might try to have a look for tomorrow. As for the product itself, the exhaust note is gorgeous, but i agree with you on your comment about the power. down low, there is a fair amount of extra power before lift, but up high i would say its negligable. CAI does much more up high in my opinion. but the car is certainly more drivable down low, which is extremely helpful. and the note is perfect, sounds tough on idle but doesnt intrude whilst driving. Aside from that, i dunno what you paid but i would assume it was similar to what i paid so i reckon you got a good deal ;) I know Dylan had a somewhat solution to the rattle, maybe you could take some pics Dyl??? i tried the o clamp thing which worked to some extent.