I have always heard good things about borla systems and decided to give it a try on my WRX. I couldnt be happier!! It sounds absolutely phenoninal and intsallation only took me 10 minutes. Everything just fit perfectly. It took me more time to take the stock exhaust off than it did to assemble and install the new one. If your a real car enthusiast and want quality for your money there really is no other way to go.