When I chose the word sensible, I was kind of reaching for the right word. What I mean is well engineered. If there's a dozen kits available, one of them might look like it was designed by Rube Goldberg, another one might look like it was a high school science project and another one might look like it was designed by somebody who really knows what they're doing and has been at it for a while. Well laid out, making efficient use of space, requiring minimal modification to other components, but yet being easily accessible and serviceable, and very sturdy and reliable. That would be my idea of sensible. The first step for me would be to figure out whose kit or set of pipes and mounts, is the best. Then after that I could pick the turbos. This would be for very heavy towing.