4" or 5" flo pro downpipe dpf/cat - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

 
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post #1 of 2 Old 07-23-2009, 04:01 PM Thread Starter
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4" or 5" flo pro downpipe dpf/cat

does it 5" sound that much better...(deeper?)...which one would u hear the turbos more?......4 or 5"...
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post #2 of 2 Old 07-23-2009, 04:58 PM
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The only thing that will change your tone is the DPF-back system, personally I run a 5" Flo-Pro Delete into a 5" Magnaflow w/ muffler and it sounds awesome!
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