Wally. Thanks for the PM. This may sound foolish, but was just a thought. Do you suggest mounting the Hushpower Pro where the old muffler used to be or where the old cat use to be? I didn't know what performance loss or drone control improvement you might see from mounting under the cab.
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06 2500 QCSB SRW G56, B&W, 4" factory pipe no muffler or resonator, custom cold air, 100% AMS oil with nano filter, quadzilla commander and Smarty.