4″ Downpipe Back Single w/Muff Cab and Chassis


FloPro’s newest offering allows your Cab and Chassis L5P Duramax to shed the extra weight of the factory restrictive exhaust and take full advantage of aftermarket calibrations. This kit connects to the factory downpipe and includes a 4″ flow through muffler to retain a quieter ride in the cab for your Duramax!

SKU: 887 Category:

Additional information

Weight 40 lbs




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