Join Date: May 2013
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Turbo back ( spools better, less restrictive, egt's ) would be best, 4" downpipe - 5" exhaust if I were to do it over. They say 4" is sufficient enough & 5" is more for performance if any.. Changing downpipe is simple by just disconnecting everything & dropping downpipe as if it were to come out bottom of truck & from that point sawzall it out w/12" blade. I wish I would have added my downpipe b4 installing my exhaust the 1st time.
I believe I hear dpf back is just for looks? Good luck, Jayson.
08 F250 6.4L
CcSb Lariat 3.73
5200lbs springs, rear blocks removed, Nitto Grapplers
aFe Mag Force II Si pro 5R w/modded box
H&S MiniMax/Mcc & Gearhead tunes w/Blendmount
aFe Mach Force XP 4" Exhaust w/downpipe
Custom-Diesel Deleted, H&s wastegate w/Intake Elbow & CAC pipe, MPD Ccv/Oil fill mod, Alradco intercooler,
SD Coolant filtration/ CAT ELC...