Re: Rumbling at the rear on acceleration..
I just did my SRT in the drive on ramps, totally do-able. hardest part for me was getting the two rear rubber doughnuts off the muffler to remove the exhaust. I ended up cutting them off and buying replacements from Rob at Needswings. Putting them back is a pain, Rob gave me a tip, put the rubber on the body clip loop a zip tie through the rubber, push the muffler up and put a hooked lever through the zip tie, pull down, and loop the ring over the muffler clip.
Hope this may help someone else doing this......................