Straight pipe on 6.4? - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 13 Old 06-13-2010, 04:15 PM Thread Starter
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Straight pipe on 6.4?

Is there a benefit running a straight pipe instead of a muffler. I'm probably going to get all my stuff here local at this place called Rock & Roll off road. They sell spartan tuner, full 5 inch exhaust including downpipe comes with a turbo muffler I believe and S&B CAI but I'm probably going to change that to AFE stage 2. But on the exhaust would I see any benefits just running straight pipe.
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post #2 of 13 Old 06-13-2010, 05:42 PM
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the factory muffler and the aftermarket one are the same straight through design really.

09 F-250 Superduty CCSB
SOLD
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post #3 of 13 Old 06-14-2010, 06:18 AM
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Only difference is the sound. I ran a straight pipe for a year, got tired of the hairdryer sound and installed a muffler. I like it alot better now.

08 F250 CC, 4x4, Blue/Pueblo Gold, 3.73, S & B CAI, 5" Magnaflo downpipe back, Spartan TCM 275 & 310 KEM 345 (SCT - Sold) Mickey Thompson 35 12.5 20's

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post #4 of 13 Old 06-14-2010, 07:09 AM
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Originally Posted by jac97psd View Post
Is there a benefit running a straight pipe instead of a muffler. I'm probably going to get all my stuff here local at this place called Rock & Roll off road. They sell spartan tuner, full 5 inch exhaust including downpipe comes with a turbo muffler I believe and S&B CAI but I'm probably going to change that to AFE stage 2. But on the exhaust would I see any benefits just running straight pipe.
I live close to that shop as well, if I were you, I'd compare prices to Rudy's before buying from those guys. I've never been in that shop simply because I'm assuming there's some serious markup to pay for all those trucks out front.....
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post #5 of 13 Old 06-14-2010, 06:35 PM Thread Starter
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I live close to that shop as well, if I were you, I'd compare prices to Rudy's before buying from those guys. I've never been in that shop simply because I'm assuming there's some serious markup to pay for all those trucks out front.....
The prices of the parts are actually cheaper then other places. To get the spartan tuner with 12 tunes I believe, full 5 inch exhaust turbo back, and S&B CAI all that for 2k. And then to get everything install with taxes is 2995 and some change. Now mine might be a little more then that cause I'm going with AFE stage 2 CAI instead.
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post #6 of 13 Old 06-14-2010, 06:48 PM
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The prices of the parts are actually cheaper then other places. To get the spartan tuner with 12 tunes I believe, full 5 inch exhaust turbo back, and S&B CAI all that for 2k. And then to get everything install with taxes is 2995 and some change. Now mine might be a little more then that cause I'm going with AFE stage 2 CAI instead.
That is RETARDEDLY expensive for install man. It could not take more than 4hrs for someone completely inexperienced to do it. Thats over 200/hr labor. Seriously. That's a lot, I'd be tempted to come do it for you for wayyyy less than that.
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post #7 of 13 Old 06-14-2010, 06:57 PM Thread Starter
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That is RETARDEDLY expensive for install man. It could not take more than 4hrs for someone completely inexperienced to do it. Thats over 200/hr labor. Seriously. That's a lot, I'd be tempted to come do it for you for wayyyy less than that.
I figure I could do some of the work like the CAI and the tuner but the exhaust looks like a pain in the butt. I looked up where it hooks up to the turbo and that looks very tight if you don't have a lift. Plus they are suppose to tact weld it. I thought the price was kinda high but I figure I let someone who know what they are doing and done it queit of few times to do it for me so I don't screw anything up. Hey if you know what you are doing with the exhaust I'm willing to pay someone else.
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post #8 of 13 Old 06-14-2010, 07:35 PM
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You can't put a 5" turbo back exhaust on these trucks. You can put a 4" downpipe on it and then run it in to a 5" downpipe back exhaust. You really don't even need to fool with the downpipe unless your planning on making some big power. A downpipe back exhaust is plenty...and very easy to install.

Jeff Dodd
spartan_jeff12@yahoo.com

2012 Ford F-250 Lariat CC/SB

Mods - Spartan tuned via laptop, 4" AFE stainless exhaust system, 2.5" PMF BMC leveling spacers, 3" PMF lift blocks, Fox Racing 2.0 shocks, Recon smoked mirror & cab lights
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post #9 of 13 Old 06-14-2010, 08:10 PM Thread Starter
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Originally Posted by 08stroker250 View Post
You can't put a 5" turbo back exhaust on these trucks. You can put a 4" downpipe on it and then run it in to a 5" downpipe back exhaust. You really don't even need to fool with the downpipe unless your planning on making some big power. A downpipe back exhaust is plenty...and very easy to install.
Now on the exhaust system you said that is easy. Isn't it better to weld it or will the clamps that come with whatever exhaust system I get will be good enough. I mean I know I can put on the CAI with no problem, tuner no problem, but taking off or cutting the old exhaust and putting on the new exhaust is the problem. If it's simple has clamps holding on the new one that's no problem I can easily do that. But what about taking off the stock exhaust. Is there any cutting involved?
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post #10 of 13 Old 06-14-2010, 08:18 PM
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No welding is needed for anything, and no cutting is needed to get the stock exhaust out. The AFE downpipe back kits require cutting on certain cab configurations. They are set up to fit a CC/LB out of the box, so anything shorter than that will need to be cut. I am not sure on the Flo-Pro full exhaust kits. My recommendation is to go with a Powerstroker67 delete pipe (dpfdeletekits.com) and an MBRP DPF back exhaust system. That is going to be the best quality, best look, and best fit, and it won't require any welding or cutting. It also doesn't need as many clamps because the delete pipe that Sean makes is a solid 1 piece design. They are very sturdy and are great quality.

Jeff Dodd
spartan_jeff12@yahoo.com

2012 Ford F-250 Lariat CC/SB

Mods - Spartan tuned via laptop, 4" AFE stainless exhaust system, 2.5" PMF BMC leveling spacers, 3" PMF lift blocks, Fox Racing 2.0 shocks, Recon smoked mirror & cab lights
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