Join Date: Mar 2012
Location: Skiatook Oklahoma
Re: Exhaust turndown
, it won't make a difference. If anything, a turn down will make it bounce off the ground vs the 6" tip bouncing off buildings.
Get a walker "BTM" (big truck muffler) for now.
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1979 chevy c30 dually, sm465, 373's? Converted to 6.2 diesel, pump turned up and advanced a hair.(wrecked)
1994 ford F350 dually 4X4: 7.3 powerstroke, 5 speed. 6637, straight pipe into dual stacks. Cooper discoverer at/3's.
2010 Jetta TDI 40 or so mpg :flippa: