They both have the same parts that I need for my Sukhoi but the belly pan is $15 more, cowls are the same. I know, you get what you pay for, but is it the case here? I've heard guys using product from both and being satisfied. I don't need the best of everything but I don't need to spend more money than necessary. If the wife saw that I could get it for less somewhere else, I'd better have a GOOD reason why. Then again, maybe I could use her line, "Yeah, but I SAVED over $15 dollars!"