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curtis hieb · 03-12-2009, 04:08 PM

I have been told replacing stock muffler on diesel pusher, with a magna flow low restriction muffler will increase HP and fuel Mileage. The engine in this motorhome is a 8.3 cummins. Looking for suggestions

03-12-2009, 04:08 PM	#1
curtis hieb Member Join Date: Oct 2008 Posts: 125 Likes: 5 Liked 9 Times in 8 Posts	Diesel Pusher mufflers I have been told replacing stock muffler on diesel pusher, with a magna flow low restriction muffler will increase HP and fuel Mileage. The engine in this motorhome is a 8.3 cummins. Looking for suggestions