Since the tranny is the TH200 you have a better one than the TH350, believe it or not. the only diffs between it and the 2004r is that it doesn't have overdrive. A little more expensive to build if it goes out but it's lighter and can be made stronger than the TH350. That's a good thing. I'll wait on your answer on the headers then. What I was going to do with them before I lost my job and what I have to do now are 2 entirely different things.