Join Date: Mar 2012
Location: lincoln Rhode Island
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Any way to get 4" DP in an OBS?
Ok so like the title says is there anyone out ther with a 4" DP in thier truck, and how much modification to the body did you have to make?
Im having trouble pulling the 3" exhaust downpipe out right now.
From what I have read 3.5" is the maximum you can go. I'd like to try and fit a 4" custom setup in the truck and I figured while I have the transmission out it would be the perfect time to enlarge the area in preperation for a 4".
1995 Blue RC Utility body, 125k AFE Intake, 3" down pipe, South Bend OFEK Clutch, Cobalt Gauges, Boost, Oil temp, EGT.
Future: Dana 60 swap, Pickup Bed, Intercooler, new Rad. support.