5" flo pro. - Ford Powerstroke Diesel Forum
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  #1  
Old 11-08-2013, 06:28 PM
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5" flo pro.

I just put a 5" turbo back exhaust on tonight and I had a question.

I realize the more we do to these trucks the more weird noises/ vibrations we are gonna hear. After the install I notice (at pretty much every throttle position) when you accelerate everything is nice and smooth, all systems go. When you near the spot where the motor is no longer "pulling" and begins to go into "coast" mode there is a flutter of sorts, sometimes noisy. To put it another way, if you set the cruise at say 60. If your going 59 the motor is pulling slightly and everything is smooth. When you hit 60 it lets off, even ever so slightly, there is a flutter. Not really a turbo "fart" where you let off fast under a lot of boost and you get the whistle/whoosh.
Even in town not on the cruise and you hold your foot steady to maintain say 30 mph there is an annoying flutter, kind of like a flapper in the exhaust.

I have a slight vibration in the an also, but I believe the dp is touching the cab in one spot so I think I can remedy that.

The flutter is annoying though, seems to do it from high idle to nearly full throttle.

Ideas??? Or is it just something with the turbos that I'll learn to love?
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Old 11-08-2013, 06:45 PM
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Seen this problem before and I wrapped the exhaust and the problem was solved.

Used 1/2 inch where there was space and 1/4 for tight spaces..

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Old 11-08-2013, 06:55 PM
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Thanks, I will look into it. I figures it was probably just something that was hidden by the double walled down pipe. Maybe this will help.
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Old 11-14-2013, 06:15 AM
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'Twas just the pipe hitting the cab. Beat the pipe on the corner and it sounds great now.
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Old 11-15-2013, 05:23 PM
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When I put the 5" on mine several weeks back, I had a hell of a time because one of the segments was too long...I had to cut about 2" of it off so it would mount in all the hangers correctly. I have a crew cab long bed so I had to use all the segments.

Aside from that...it sounds pissed off all the time!!! My wife says it sounds like an airplane when it's idling in the driveway!!!
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Old 11-15-2013, 06:01 PM
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Send a message via AIM to oregoncalfroper
^ isn't that what you were looking for? Lol


Sent from AutoGuide.com App
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Old 11-15-2013, 08:21 PM
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Yes, I had to do the same. All the back hangers were just about falling off.
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Old 11-16-2013, 01:31 AM
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I think all the kits come with an extra piece to trim to fit. I know mine did also.
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Old 11-16-2013, 05:26 AM
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Quote:
Originally Posted by oregoncalfroper View Post
^ isn't that what you were looking for? Lol


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Yessir!!!!!
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Old 11-16-2013, 07:52 AM
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Took about 3" off of mine and it lined up perfectly. Painted it with black high temp paint before installing it. Will see how it lasts in the long run. Looks purdy right now though.
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