I ordered a TransGo shift kit for my last Grand Prix ('06 base) and took it with me to the only two transmission shops in town the last time I needed to have the fluid serviced. The first place had a wait time of about a week, so, being impatient, I drove to the other shop without getting a quote from the first shop. I showed the guy at the second place the shift kit, he took one look and told me "we'll have to take the entire transmission apart and rebuild it from the ground up, so you're looking at close to $3000. Maybe wait on the shift kit until your tranny actually needs to be rebuilt."
I was a little bit flabbergasted... After all, it was this very thread that persuaded me to order the TransGo kit in the first place, and the OP made it look so easy!
Anyway, I needed a fluid flush anyway and since I was already there I let them do it... To the tune of $330. A couple weeks later I was in at my regular mechanic shop (who've told me they don't touch transmission stuff, they leave that to the shop that had a week-long wait list), and saw a sign on their wall saying their tranny flushes are $210. I was a bit pissed, and when I told the guy that he sort of laughed at me for going against their recommended place. I've learned my lesson.
Since then I've sold my '06 base and picked up an '07 GT because I always wanted the supercharged engine, but I have neither the tools nor the time to perform the shift kit operation myself, so what do you guys think a more reputable tranny shop would charge if I printed out the instructions in the first post, took it in, and said "do this"? $3000 and a total tranny rebuild is obviously complete bull****, and I won't be going back to National Transmission for anything ever again.
