I have a 97 with the factory muffler and want to put a nicer sounding muffler on it, I'm thinking of a 9 in Delkevic high mount unit. They seem reasonably priced. I'm not much of a home mechanic although can do a few basics. But would the above be easy to install? It seems like it is and I guess Youtube could always help me but can anyone offer any advice? Cheers from NZ!