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Exhaust, Best for towing
So im getting new gauges in today, Pyrometer, Boost and Trans Temp. I have been reading quite a bit on intake solutions and Trans Cooler upgrades, but exhuast is a hazy subject. Is there a clear ideas as to 3.5 or 4" downpipe? Should I DIY it, buy it, weld or bolt on? I need some direction. I have a boat that I am pulling up to PA from MD. mostly open highway with steady inclines. I would appreciate the help.
-Willie
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