Has anyone ever heard of Mountain Muffler's Full Boar performance muffler? The owner of a local muffler shop told me Mountain Muffler Co. , in Mountain Home Arkansas, is building a muffler line which is basically identical to the Flowmaster mufflers. In fact, he told me the original design was sold to Flowmaster several years ago, by the owner of Mountain Muffler. The quality and type of construction is identical to the Flowmaster I have under my '67 Camaro. Anyway, I purchased one of these for only $67. 00 installed. I know this sounds hard to believe, but the truck seems to have a little better performance than when I had it straight piped.
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89 D-250 LE 5 speed 3. 55 Limited slip, K&N, straight piped, Boost/Pyro. & 16cm2 215K and still going.
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89 D-250 LE 5 speed 3. 55 Limited slip, K&N, straight piped, Boost/Pyro. & 16cm2 215K and still going.