If it's an 86 it's prolly the 6.2 not the 6.5. 6.5 didn't come out till the late 80's early 90's. If you're gonna straight it, put some glass packs on it and it will cackle!!
I've heard a couple of them around town here with either a straight pipe, or an exhaust system of some sort. I think they sound pretty badass!! You can really hear the turbo whistle on them. Too bad they don't go as fast as they sound with a straight pipe.
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