Many thanks Martin. Can I ask did it fit ok? Seems very good value if it fits. Will probably get one and see. I can't keep welding up my old powerful system forever!
as far as lengths and dimensions go, its spot on, no knocking etc on anything, I will say, its SUPER light too!!! - Pipework diameter is all good to, no restrictions.
only slight issue I had with mine was the sleeve where the back box slides over the centre section wasn't the best so the clamp even when ramped tight, didn't seal perfectly, I'm going to get my mate to weld a few flanges on so I can just bolt it tight, but its been fine for over a year like that and hasn't physically come loose!
this is the only video I've got of it! - keep in mind it also has a decat