Aftermarket exhaust question.. - Ford Powerstroke Diesel Forum
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post #1 of 8 Old 03-11-2011, 06:39 PM Thread Starter
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Aftermarket exhaust question..

Hey y'all I just bought an 03' 6.0 king ranch. I have a few questions...Will putting an aftermarket exhaust on this truck mess up anything with the motor? I have heard some of the horror stories about this motor and do not want to do anything that will put this truck in the shop. It has the EGR delete done and is bone stock...Would greatly appreciate any help because i really want this truck to roar.
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post #2 of 8 Old 03-11-2011, 06:47 PM
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No, adding aftermarket exhaust or deleting the cat and/or muffler will not bother the motor at all!!!

2005 F-250 CC/SB 4x4 medium wedgewood blue

5" lift, 5" Donahoe rear springs, 35x13.50 MTZ's, 18x12 Fuel Hostage wheels, 4.30 gears, Banks 4" exhaust, Airraid intake, SCT from Innovative, ARP headstuds, Bulletproof ficm, Scangauge II, Randy Ellis Design lightbar, Street Scene flares, Harpoon mod, Zoodad mod, LED 2010 taillights, Switchback LED front turn signals
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post #3 of 8 Old 03-11-2011, 07:27 PM Thread Starter
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Ok that's good news. I guess the thing I was worried about was back pressure with the turbo and everything. What's the difference in a turbo-back exhaust and deleting the cat and muffler? Could I get the sound I want with leaving the cat on and just deleting the muffler? I live in TN so there ain't many restrictions but really didn't want to remove the cat.
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post #4 of 8 Old 03-11-2011, 08:32 PM
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I would get rid of the cat, and leave the muffler....or get a straight through muffler....
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post #5 of 8 Old 03-11-2011, 10:47 PM
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If you have a 2003 you want to go complete straight pipe! You have that awsome turbo like me and you will love hearing that thing trust me! It never gets old!

2008 ccsb F250 lariat
SCT tuned by Gearhead Single 371, MPD CCV RCD pushrods ARPS

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post #6 of 8 Old 03-12-2011, 07:23 PM Thread Starter
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Yea man i love that turbo sound!! So with a complete straight pipe you wouldn't have to worry with the back pressure and all that stuff with the turbo or is that just complete BS to begin with? AND what does the cat actually do with a diesel?
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post #7 of 8 Old 03-12-2011, 07:25 PM
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u dont have to worry about back pressure, less is better....
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post #8 of 8 Old 03-13-2011, 11:54 AM Thread Starter
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Alright good deal. Thanks for the help guys.
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