Best $560 I could have dropped into the car besides the braces. Turbo spools incredibly fast, it does mount up to your stock exhaust (if nobody has touched it previously), and it does make your car sound a lot neater.
You might see better gains with this, cobra intake, open air intake, and a 2.5" catback. I have this and an open air intake on a stage 2 tuned daily driver.
Rating: [5 of 5 Stars!]