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INSIDIOUS '86 · 07-09-2012, 02:21 PM

So I need to run my 3" tailpipes through the frame right behind the front lead spring mounts. Can i just cut a hole or do i need to run a larger thick pipe through with it boxed?
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07-09-2012, 02:21 PM	#1
INSIDIOUS '86 Registered User Join Date: Jul 2009 Location: washington Posts: 4,178	Through frame exhaust, how do I do it? So I need to run my 3" tailpipes through the frame right behind the front lead spring mounts. Can i just cut a hole or do i need to run a larger thick pipe through with it boxed? Posted via Mobile Device __________________ 377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511