I did the delete pipe and muffler stainless steel to be honest. I think I ordered it off eBay or Amazon.
Its 4" from the factory already so I stick with that. I'm out of town right now so don't have my receipts In front of me to give you the part numbers they offered it in aluminum as well.
Was a little cheaper than the stainless. I just went with the stainless. I don't think there is anything wrong with saying who I bought from......I hope!!!!
2015 cummins 2500 crew cab w/ rf 68 s&b cold air, mbrp stainless 4" w/ muffler, mm3 tuner from double r diesel, xdr throttle valve delete, xdr egr delete,shibby plug kit, traxda 3.5"/2" lift, 20x12 hostile wheels w/35" amp at/g tires
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