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6.4L Performance Parts Discussion What has or has not worked for you?

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Old 02-09-2013, 08:39 AM
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Flo Pro Exhaust Help

I am currently trying to install 633NB on my crew cab long bed, I cant figure out which pipes to use. It is either too long or too short.
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Old 02-09-2013, 09:06 AM
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There should be one pipe that has to be cut to length if it's anything like the kit I installed on my buddies 6.4
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Old 02-09-2013, 11:06 AM
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You should have the tail pipe, then over the axle, then the muffler delete pipe(has female at both ends). Lay that section down with the over the axle piece lined up with the back tire. Lay down the piece that connects to down pipe and the piece that bumps up to 5" on the ground with the flange lined up with the down pipe flange. With these two seperate sections laid out. You now can use the pieces left over to fill the gap between the two and find if any trimming is needed. This is the way I install all my kits and it works VERY well. Good luck
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Old 02-09-2013, 01:04 PM
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One piece on mine i cut it to length. Installed the rear part then marked the piece to fill in the gap
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Old 02-09-2013, 01:29 PM
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Mount all the pipes to the hangers then mark and cut to fit. Make sure you don't cut the pipe side that has the outside slip fit.
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