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what are your thoughts on DYNOMAX???

Discussion in 'Chevy Truck Accessories' started by RyanGoldthorpe, May 13, 2013.

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  1. RyanGoldthorpe

    RyanGoldthorpe New Member

    What are your thoughts on Dynomax Ultra-flos?
    I want to get rid of my dronemaster 44. I want to true dual it after the cats, on a 2009 chevy silverado 5.3L... would i need an h-pipe or x-pipe to make it sound better? I want to put long tubes and get rid of the cats in the future as well, but just a new muffler for now.
    I have been looking into Part Number 17231.
    any other suggestions? or videos of ppl with the same truck and muffler?
    289-17231_1.jpg

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