Shortie Exhaust - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 24 Old 02-10-2010, 05:47 PM Thread Starter
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Shortie Exhaust

I'm also new to this forum and have spent many hours over the past few weeks reading all the cool stuff yall have to say about these diesels. I've owned an 03 6.0 and a true believer in Ford, except for all this DPF stuff. I'm in Cali so no mods for me except for chopping my exhaust before the rear wheel and adding a 5" tip. Can cutting the exhaust short like this remove backpressure and possibly lose power? I haven't noticed any loss, just wondering if anybody noticed this. My truck is a 2010 and haven't noticed any problem yet except for the lack of noise and bad fuel milaege. Thanks for your time. I can post pics if anyone wants to see the exhaust shortened using parts from the factory exhaust.
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post #2 of 24 Old 02-10-2010, 06:03 PM
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I'd just take that stuff off man! I live in cali to and I havnt run into any trouble up here in norcal atleast...Ive been pulled over several times and all the cops are not knowledgable enough to know that there is supposed to be a DPF in place the just tell me that I'm out of muffler compliance lol cutting the exhaust out isnt going to effect anything back pressure is a myth anyway its all down to resonation and exhaust flow at varying RPM..read up on it! its interesting stuff...

Ford F250 6.4 CC/SB, Spartan 350 w/TCM, Mag-Hytec deep pan, Flo-Pro 5 inch Exhaust, AFE stage 2 with ProDRy, 2.5 Readylift, ZEX Nitrous single stage, BD CAC pipe, ATS 5-star converter, elite egr delete/wastegate, ts mp-8 stacked, Procomp traction bars, locker, CFM plenum, ARP studs. Innovative tunes and Suncoast on the way!
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post #3 of 24 Old 02-10-2010, 06:11 PM
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I wouldn't mess with the stock exhaust a bit. Either get rid of it or leave it alone.

Jeff Dodd
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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 #4 of 24 Old 02-10-2010, 06:27 PM
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In a diesel engine, the turbo(s) will create all the backpressure an engine needs. In all realities, an engine can be run open turbo.

HI.....I'm Kyle
RIP: 1996 F-250 X-Cab Long Bed
Now: 2006 Ram 2500 CC SB SLT 6 Speed
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post #5 of 24 Old 02-10-2010, 06:49 PM Thread Starter
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Thanks guys. I'm just glad I didn't spend hundreds of dollars on a dpf back exhaust since it doesn't do anything except make your wallet skinnier.
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post #6 of 24 Old 05-16-2010, 07:14 PM
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my advise is dont do it, I did this to mine and it sounds awfull in the cab! I am now saving up for a new 5" system.
the truck looked very bare at the back with no exhaust also.
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post #7 of 24 Old 05-16-2010, 08:21 PM
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Old thread lol

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 #8 of 24 Old 05-16-2010, 09:02 PM Thread Starter
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I went with the short exhaust but eventually changed it out for the MBRB 5". Looks and works much better. Thanks
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post #9 of 24 Old 05-17-2010, 01:56 PM
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i ran a 4" dpf doc delete and picked up a 4" dynomax glasspack style resonator from the local napa stuck that and a 4" 45 on it and it turns down right before the axle . the resonator cuts out the whoooshing crap and it really turns heads when i stomp on it !
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post #10 of 24 Old 05-17-2010, 05:09 PM
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Quote:
Originally Posted by farmerhurd View Post
i ran a 4" dpf doc delete and picked up a 4" dynomax glasspack style resonator from the local napa stuck that and a 4" 45 on it and it turns down right before the axle . the resonator cuts out the whoooshing crap and it really turns heads when i stomp on it !
It would be awesome if you could get a sound clip of that

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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