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Can someone explain to me why it is that after taking the time and effort to post what I consider a helpful comment on a thread, it gets deleted. Before you say "Ah but it was't relevent" it was relevent to the first post in that thread. if you read the first post you would see that, maybe not...

My cats were plugged and I had knocked them out back in March. As part of my goal to get my mileage back up from 9 MPG it was time to do a little exhaust work. Well, I paid a friend to do it anyway. I just don't have the time. Anyway. Before this I got 14 MPG on the same straight of road...