Well before we get all hot and bothered.
My kit is a prototype, that I got used. So take that as you will. I can't speak for fmax's current kit.
I am going to be installing a second fmax stage 2 on one of our show cars in a few weeks. I will reserve my judgement on the quality of the F-Max kit until I see the fit and finish of that kit.
My complaint. I that the waste gate routes back in to the down pipe way early by way of a swange. One pipe, fitting over a slightly smaller pipe. This type of design leaks when the waste gate is closed. The best seal I have achieved is by way of some exhaust puddy in between the swange. But over time this still leaks. I would have preferred some flexpipe. Or venting to atmosphere.
I can totally understand why they did it that way, it is simple and a swange will never crack due to thermal expansion. I would have gone a different route, but that is just me.
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