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turbo back exhaust

  1. 1994-1997 Power Stroke Technical Info
    Getting ready to do a turbo back exhaust with 3 inch downpipe and as I was getting rid of the cobra head downpipe I noticed to my delight hopefully im correct anyways but it seems the downpipe had already been replaced by a 3 inch....the truck is a 95 and was purchased by my grandmother in 99 so...