guys, simple question: how do you make a w123 300d-t go faster? The exhaust is pretty restrictive, and so is the exhaust manifold. How about some custom headers with a turbo bung, and a completely different kind of turbo? what kinds of aftermarket turbos have people tried, how much boost have they run with them, and what internals needed to be replaced?

this car is like, waaaay too slow for my taste, but i know it has potential