6.4 resonator delete

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MADDOG

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Was your truck under factory warranty? If so does modding the exhaust change anything covered by the warranty?

Yes it was under warranty, and, No it doesn't void your warranty except they could possibly claim an exhaust system failure was due to you removing the resonator. That's a bit sketchy, IMHO, and I would not worry about it.
 

SixFOURhemiHD

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So, does the OEM Cummins tailpipe swap directlty in? Or is it a different size?
 

Nick@GotExhaust

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Anyone know the part # for the Cummins tailpipe? I bet I could modify it to work.

No idea but was wondering if a 4" DPF back exhaust would work and just use a 4" to 3.5" reducer
 
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