2012 cummins 67 with a 4” straight pipe exhaust

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=MWmRxwJEJvw

I have a straight pipe turbo back with 4” pipe. Also have a 6” exhaust tip. Have 2 cold start clips, one with exhaust brake on, and the other without it. Tha...

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