Hello everyone and Merry Christmas! I've already done some mods to my 05, GT (3800 miles, so far!), and now I am ready to doing some research on the exhaust. I know, through some reading and tests that Muscle Mustangs & Fast Fords and Alternative Auto Performance has done, that replacing the exhaust on the new Mustangs doesn't yield that much performance benefit. I will installing a set of JBA, ceramic coated shorty headers, and then an axel back exhaust system (I've talked to several mechanics, and give the factory H-pipe, its seems uneconomical to replace the H-pipe with something that isn't going to give me very much gains). However, I'm trying to decide on two axel back systems for the 05 & 06 Stangs: Flowmaster & Hooker. I had a very experienced mechanic and car buff recommend the Hookers, and I know that a lot of others are recommending the Flowmaster. The Flowmasters are cheaper and are probably more popular, given their market familiarity. Hookers are less well known, but are supposed to be better made. The Flows run approximately $300, and the Hookers run approximately $475. Both are loud, and rumble, and have that throaty muscle car sound, however, the Hookers are supposed to have a better quality sound than the Flows, and hence the reason they are more expensive. Does anyone have any experience with either of these yet, or opinions on this?