5 in straight pipe
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I put in a areo turbine 40/40L which is a resonated muffler and it did cut down on the drone but it didn't really make any difference on sound outside of truck. It still has a nice sound. I just don't know if it will help any on stacks. You could always give them a call and see what they have to say. Here is a link Home page
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RAtwood
24 Valve 2nd Gen Dodge Cummins 98.5-02
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04-12-2015 08:56 PM