Thanks everyone.
I replaced my muffler because stock had something loose inside that rattled. Getting better sound was a benefit I looked forward to, however this drone is excessive.
Appears as though the 2 can setup is prone to drone (rhyme every time) but can be minimized.
I am going to recheck my set-up for possible leaks, put on the recommended clamps, and if that does not work will consider installing test pipes.
Concern I have with test pipes will be that the exhaust will become loud. Any input here is appreciated as well - how much louder without the secondary cats? And does the 2nd cat delete eliminate all the drone, or just make it better?
I would put the stock exhaust back on but the rattle is annoying.
Thanks!
Gary
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'01 986S: LN IMS, PedroBar, PSS9 coil-overs, underdrive pulley, 997 short shift, GT3 console delete, Crios muffler mod
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