Joel,
Your the second email I've received on this subject. I
didn't have the popping noise with the stock muffler.
I installed a flowmaster 2 chamber and now it does it quite
often. This is normal for this type of muffler, however
I really could do without it.
I am curious to find out what this may be, if its not
just backpressure. I've not seen any TSB's on this problem
and will post any info I find on the DML.
Any ideas guys ?
GS
>
> I was wondering if your truck has a popping noise while coasting/compression
> braking. Mine does it and its kind of loud. Saw that you have the same truck
> and wanted to ask you.
>
> Joel
>
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