Exhaust ?

CBHATCH250

SDD Junior Member
Joined
Dec 31, 2014
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hello everyone! I'm doing a DPF delete and I'm going with a downpipe back straight pipe exhaust.
I have a 2015 250 that is completely stock. This will be my first upgrade.
My question is do I go with the 4" or 5" system and why? Thanks!
 

powerstoked

SDD Junior Member
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Mar 1, 2017
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first, this will be illegal with a hefty fine if pulled over and checked. If I was to go that route I would definitely go big, as you want to let the gas out fast. I have a LB Crewcab so the added length creates more pressure. I also fiberglass wrapped my up pipes and down pipe to help speed up the gases.
 

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