Exhaust Questions - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 01-29-2014, 10:13 AM Thread Starter
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Exhaust Questions

I just recently installed a DP Tuner on my '00 7.3 and I'm happy with the change from stock. After doing this I've been thinking about going ahead and adding the 4'' MBRP straight pipe exhaust but I'm not crazy about the look of the bolt on tips.

I was wondering does the MBRP exhaust clear the truck enough without the tip and if so is anyone running this exhaust without the tip?

If that's not a good option I figured I'd add a weld on tip and trim the exhaust back a tad if it's going to hang out too much.
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post #2 of 13 Old 01-29-2014, 10:18 AM
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yes you can run it without a tip... there are also cheaper alternatives if you just want a 4" straight pipe exhaust without a tip...
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post #3 of 13 Old 01-29-2014, 12:15 PM
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the diamond eye systems i have installed actually stick out too far, ive trimmed both mine and my dads down to a shorter length. just so the pipe isnt so far past the tire.

99.5 f250 7.3 4x4 258k
PHP Phoenix, S&B CAI, 4" TBE, Hpx, Stancor, RR Billet Wheel, AIH Delete, Autometer Gauges, Leveling kit, Transgo kit, Warn Hubs, Int'l Up-Pipes, RR IC Boots, Non-Ebpv Pedestal, High Flow Outlet, RR OCR, 08 Tow Mirrors.

Dad-2000 7.3 109k miles, Autometer Gauges, Superchips 1705, AIH Delete, 6637, 4" TBE, BD Billet Wheel, TruCool Max
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post #4 of 13 Old 01-29-2014, 03:44 PM Thread Starter
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Quote:
Originally Posted by Raul@Stealth Automotive View Post
yes you can run it without a tip... there are also cheaper alternatives if you just want a 4" straight pipe exhaust without a tip...
Do the Diamond Kits listed on the Stealth site come with hangers?

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Originally Posted by blue99stroker View Post
the diamond eye systems i have installed actually stick out too far, ive trimmed both mine and my dads down to a shorter length. just so the pipe isnt so far past the tire.
That would be something I'd have to watch for.

Let me raise this question as well. I want to improve the truck with exhaust but if I'm not trying to build a monster power wise, is the 4'' exhaust drastically better than running a muffler delete pipe on the stock exhaust?

Last edited by M3xpress; 01-29-2014 at 03:50 PM.
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post #5 of 13 Old 01-29-2014, 04:26 PM
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You can run a muffler delete and be ok. The only real differences are a little lower EGT's and better sound quality (if you care about that kind of thing)
Most folks prefer 4" because it's all you need if you want a more throaty sound and enough restriction reduced from the exhaust system.

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post #6 of 13 Old 01-29-2014, 05:23 PM
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straight piping the stock exhaust is good.

the downpipe is about 3 inches stock.

i bought my truck with 4 inch pipe after the stock downpipe, i switched to 4 inch all the way and noticed quicker spool up, about 50 degrees lower egts and more boost.

99.5 f250 7.3 4x4 258k
PHP Phoenix, S&B CAI, 4" TBE, Hpx, Stancor, RR Billet Wheel, AIH Delete, Autometer Gauges, Leveling kit, Transgo kit, Warn Hubs, Int'l Up-Pipes, RR IC Boots, Non-Ebpv Pedestal, High Flow Outlet, RR OCR, 08 Tow Mirrors.

Dad-2000 7.3 109k miles, Autometer Gauges, Superchips 1705, AIH Delete, 6637, 4" TBE, BD Billet Wheel, TruCool Max
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post #7 of 13 Old 01-29-2014, 07:30 PM
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It does come with hangers as I have the same kit. Fairly straightforward install. As for the is it necessary question, just lowers EGTs a bit and the downpipe is quite a bit larger than stock. The rest of the piping is also less restrictive but the downpipe will be your restriction point if you do just the muffler delete. I think you'll be fine either way. FYI, my kit didn't require any trimming near the exit only to cut down one pipe as kit is built for cclb and I have ccsb.

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post #8 of 13 Old 01-30-2014, 05:51 AM
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if your not looking for the sound and a bit lower egts you can just delete the muffler from the stock exhaust and you should be fine
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post #9 of 13 Old 01-30-2014, 07:35 AM Thread Starter
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I'd like to get a nice sound as well. For the price difference is the MBRP 4'' much better than the Diamond Eye?
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post #10 of 13 Old 01-30-2014, 11:46 AM
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id say worse.

it seems like a lot of people have had issues with mbrp's hangers, they have to end up modifying the hangers for it to sit right.

ive installed two diamond eye systems both were easy and all the parts were the exact same.

diamond eye 4" straight pipe is only 230 from alligator performance.

99.5 f250 7.3 4x4 258k
PHP Phoenix, S&B CAI, 4" TBE, Hpx, Stancor, RR Billet Wheel, AIH Delete, Autometer Gauges, Leveling kit, Transgo kit, Warn Hubs, Int'l Up-Pipes, RR IC Boots, Non-Ebpv Pedestal, High Flow Outlet, RR OCR, 08 Tow Mirrors.

Dad-2000 7.3 109k miles, Autometer Gauges, Superchips 1705, AIH Delete, 6637, 4" TBE, BD Billet Wheel, TruCool Max
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