Bigger Downpipe? - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 03-22-2009, 12:26 PM Thread Starter Fanatic
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Bigger Downpipe?

Right now i have a 3.5" downpipe that expands to 5 inch exhaust dumping around the rear axle. I want to extend it out the back again cuz im tired of my rear shocks and axle covered in soot. Question is, will upgrading to a 4" downpipe while im doing this have any benefits. Will it sound any different than my 3.5" downpipe I have now? Thanks for the help.

2001 Ford F250 7.3 Diesel Crew Cab
5" exhaust
AFE StageII Intake
DP Tuned (stock, 80e, 120, 140aggressive)
Gauges: Pyro, Transmission
6" Fabtech Lift
35" Pro Comp X-Terrains
3 Kicker CompVR 10", 3 Profile 1000w mono blocks
Polk Momo 6 1/2" components, 2 JL Audio 1600w amps
Pioneer Premier Headunit
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