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Ok, against the suggestions of a professional (muffler shop guy), I ran
straight pipe (2 1/2" X 3 1/2') into a pair of dynamax mufflers and hung
them as is. The muffler shop said I had to have the double bend before the
muffler or it would vibrate. I hung them and checked the clearance and it
looked good (1/4" all around). I hung the mufflers using long strap hangers
mounted to the chassis and it vibrates! Really bad at around 1200 to 1500
RPM and about 35-40 MPH. Sounds mean as hell on take off but when I'm
cruising it sounds like a WWII plane buzzing down the road. Any input? How
much clearance do I need? I offset the mufflers by running them so that the
offset is in front so they sit closer to the driveshaft but it's obviously
not enough.
Thanks, Scott
71 Malibu 350 (now known as the B-51 bomber)
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