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  1. 1BADDREAM

    2007.5 6.7 Cummins Exhaust manifold replacement

    68k miles and has had DPF/EGR delete for about 2 years. Now I'm getting a louder whistle under acceleration. Found out it's leaking from the exhaust manifold and needs to be replaced because they tend to shrink. Most of the 68k miles have been towing so while it's not a lot of miles it is...
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