Originally Posted by m3walk

I've been patiently waiting since taking delivery of my X5 a few months ago for someone to come out with an aftermarket exhaust for the 4.8i since the stock setup is quite tame. The only one I've seen is the Hamann system. Has anyone else seen or heard of an aftermarket exhaust system for the E70 yet? Any in development that you know of?

Thanks!

Joe