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Deadeye's Avatar
 
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Rear support for track muffler?

Looking for suggestions for rear support for this Dynomax 2 in 1 out muffler. I just purchased this muffler to (hopefully) meet track noise requirements The GT stinger that came with the car is rated at apx. 100 dbls and track requires no more than 94 at 50'
My first thought was a piece of angle iron hung off the bottom motor bracket and tack welded under the bottom pipe?

Old 02-07-2010, 11:31 AM
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Here's what we did to hang my Flo-Pro. The same could be done on yours.
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Old 02-07-2010, 12:04 PM
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Deadeye- that looks like an old Bursch exhaust. Might want to see how they were hung when new. But memory serves me that there was a bracket welded to the lower pipe running from the left side of the engine into the muffler, this bracket bolted to one of the two lower engine mount bolts at the bottom of the engine. In your second pic you can see that it would just be a very short bracket from the pipe to one of the bolts adjacent to it.
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Old 02-07-2010, 12:41 PM
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Ed, that's similar to what I would do w/ a small pc of 3"X3" angle. That's one of your old wheels visible in top photo.

Wayne, do you have a picture of the mating part on the engine carrier?
Old 02-07-2010, 02:07 PM
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No pics needed as the stock bracket is what the muffler hangs on. It's simple but it works great.

Plus, it keeps it in place while bolting it on/off. No using knees, elbows or 4th arm to juggle it.
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Old 02-07-2010, 02:12 PM
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Dennis, looks like you got the wheels all cleaned up. And yup, a piece of angle would probably work there. Not sure you can use Wayne's method since his muffler looks like a Flowmaster which has a weldable case, but the Dynomax is too thin to support the exhaust, it's just thin sheetmetal.
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'86 911 Coupe (endless 3.6 transplant finally done!)
'14 Jeep Grand Cherokee 3.0 Turbodiesel (yes they make one)
'97 BMW 528i (the sensible car, bought new)
'12 Vintage/Millenium 23' v-nose enclosed trailer
Old 02-07-2010, 02:32 PM
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Well crap, I didn't think about the muffler case being a problem.

Sorry about that,Deadeye.

You may be able to weld a bracket to the actual exhaust pipe in a similar fashion.
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1981 911SC ROW SOLD - JULY 2015
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Wayne
Old 02-07-2010, 02:36 PM
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Here's mine. You can just see a 1x1 angle in front of the flowmaster muff.

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Old 02-08-2010, 07:58 AM
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