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  1. 49-44053-B aFe Power Downpipe Back Exhaust System for 2015.5-2016 LML Duramax

    49-44053-B aFe Power Downpipe Back Exhaust System for 2015.5-2016 LML Duramax

    Large Bore-HD 4" 409 Stainless Steel Down-Pipe Back Exhaust System

    GM Diesel Trucks 2015.5-2016 V8-6.6L LML 133.7" & 167.7" WB 

    • Constructed of 4" mandrel-bent stainless steel tubing for maximum flow
    • Includes a 6" black stainless steel clamp-on tip with a laser-cut stainless steel aFe power plate
    • A free-flowing 24" long muffler is used to absorb high pitch tones producing a powerful sound
    • A unique high quality OE style tapered flange is used for a complete 360 degree sealing surface
    • OE style bayonet hangers are used to maintain a stable pipe location
    • Uses factory mounting locations providing stability and a hassle-free installation


    This kit will only fit models manufactured after July 2014 equipped with a flanged down pipe. 

    Does not fit cab & chassis, Fits 133.7 " to 167.7" wheel bases only.

    Learn More
    $648.84

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