Thread: 2009????
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Old 12-27-2009, 03:47 PM
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Ramtowtruck Ramtowtruck is offline
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Join Date: Dec 2009
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Engine: 2007-???? 409ci (6.7L) Cummins Turbo Diesel 350hp 650lb/ft
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on the6.7 litre if u pull the muffler the hp will not change because of the exhaust filter u have to change the filter to a performance one. if u remove the filter all together the truck will not go more than 60k if u can get it started
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