Author Topic: 660 muffler mod  (Read 1040 times)

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Offline JohnG28

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Re: 660 muffler mod
« on: May 07, 2014, 06:06:09 pm »
I got a good chunk of the cage out, has a nice straight shot out into the can now. Was a pita to grind out so I didn't get it all, but still a good improvement. Could only get the factory hole opened up to size of a dime or so, but it's better. Gonna order a dp up later.

 

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