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    4" DPF & CAT DELETE PIPE | GM DURAMAX DIESEL LML 2015.5-16（Without the "made in China" label）-US STCOK
    4" DPF & CAT DELETE PIPE | GM DURAMAX DIESEL LML 2015.5-16（Without the "made in China" label）-US STCOK
    4" DPF & CAT DELETE PIPE | GM DURAMAX DIESEL LML 2015.5-16（Without the "made in China" label）-US STCOK
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    4" DPF & CAT DELETE PIPE | GM DURAMAX DIESEL LML 2015.5-16（Without the "made in China" label）-US STCOK
    4" DPF & CAT DELETE PIPE | GM DURAMAX DIESEL LML 2015.5-16（Without the "made in China" label）-US STCOK
    4" DPF & CAT DELETE PIPE | GM DURAMAX DIESEL LML 2015.5-16（Without the "made in China" label）-US STCOK

    4" DPF & CAT DELETE PIPE | GM DURAMAX DIESEL LML 2015.5-16（Without the "made in China" label）-US STCOK

    $269.99 $319.00
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    Vehicle fitment:

    2015.5 & 2016 Chevy / GMC Duramax Diesel LML. Silverado and Sierra pickup trucks.

    2015 or 2015.5?

    2015 is a split year. The 2011-2015 downpipe is secured to the turbo-direct pipe using a V-band style clamp. The 2015.5-2016 uses a 3 bolt flange style connection. Be sure to visually verify the clamp style your truck is equipped with.

    Exhaust Material: 409 stainless steel. Unlike T-304 Stainless its still magnetic. So if your testing to see if you actually got stainless; beware that a magnet will still stick to it.
    Thickness: 2mm
    Inlet Diameter: 4"