Quote:
Originally Posted by drtwo
Hey! Fellow SD dude! Is your system an axle back or catback? Why did you get it dyno'd? Does that really help with MPG or performance? Would it matter if I only got an axle back? Where did you get the dyno? Is it costly?
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I did the catback S type exhaust. I had it dyno'd at Lingenfelter in Decatur, IN. I had them put their 570 hp package on for me along with the exhaust, so they had to dyno it to make sure I had the right tune with the supercharger. I did end up getting about 25 mpg on the way home.
It sounds like the manuals will be ok with the axle back, as it is more of a straight through pipe from the cats back. If it is an auto then the catback may be better. I am not exactly sure, as my car has a few extra parts. I am not sure where there is a dyno around here, I think there may be one in Watertown. Where do you live?