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40 Cal 4" Cat & DPF Race Pipe for 2013 to 2021 Ram Cummins 6.7L
This 4" stainless steel Cat & DPF Race Pipe will allow for the removal of the catalytic converter, SCR, and DPF filter for off-road and competition use.
 
Available in 409 (Standard) Ferritic stainless steel and in 304 (Series III) Austenitic stainless steel.
 
*Off-road use only. Custom tuning is required*

Ram Cummins 6.7L - 40 Cal 4" Cat & DPF Race Pipe (2013-2021)

    • 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, & 2021 Dodge Ram 3500 / 4500 / 5500 with a 6.7L Cummins Diesel engine.

  • 409 FEATURES (STANDARD)

    304 FEATURES (SERIES III)
    • 4" Ferritic stainless steel piping
    • OE style hangers for easy installation
    • Maximum exhaust flow
    • No bungs
    • Downpipe-back
    • Moderate rust resistance - 5-8 years
    • Magnetic
    • 4" Austenitic stainless steel piping
    • OE style hangers for easy installation
    • Maximum exhaust flow
    • No bungs
    • Downpipe-back
    • High rust resistance - up to 20 years
    • Non-Magnetic
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