How to add chrome exhaust tips to 2000 Volkswagen Golf GTI?

I own a 2000 Volkswagen Golf GTI, and it has the muffler with the turn down exhaust tips. The rear bumper doesn't have a cut out for the exhaust tips, and I was wondering how I could extend the existing tips down and under the rear bumper to add chrome tips on the end of them. I need some kind of elbow to connect to the existing tips so I can make them go straight out under the bumper. If anyone has any advice or ideas, please help. Thanks