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post #1 of 17 Old 12-16-2011, 06:15 PM Thread Starter
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Opinions on exhaust please

So.. back in june i bought my truck and just recently started lookin into my exhaust. Its hard to decide what to do there are honestly no OBS 7.3s around here with exhaust so idk what sounds good or not. I'm Basically looking for a deep loud exhaust.. i've heard 5" or 4" but i'm not gonna run stacks just gonna route it like the stock exhaust idk... any suggestions and opinions would be greatly appreciated. thanks
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post #2 of 17 Old 12-16-2011, 07:05 PM
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I just installed a 4 in MBRP, turbo back, cat delete system on my 97 7.3. It sounds good, but I was looking more to open up the exhaust system because of the extra fuel burning when I installed my chip. I wasn't really looking for a deep sound, just performance, but it does sound better than the stock system and breathes a whole lot better. I've heard the 5 inch on other 7.3's and it sounds a little deeper to me. I am happy with my 4 though.


97 F350 CC long bed, MBRP 4 in turbo back exhaust, Napa 6637 DIY intake. 17+ MPG average
85 Bronco (Sold)
89 F250 7.3 (Sold)

02 Jetta TDI
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post #3 of 17 Old 12-16-2011, 09:09 PM
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+1 on the MBRP system.
I'm running a 4" system to 5" tip on my truck with the cat delete. Sounds great. Looks great. No complaints.
Thinking about deleting the muffler here in a couple weeks.
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post #4 of 17 Old 12-17-2011, 09:39 AM
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I run 3in down pipe to 4in to a 7in stack.... Sounds good deep sound very free flowing exauste. Told by many ppl it sounds good doin drive by

97 f350single cab auto
4:10 axles spooled front axle
3in down pipe to stack
Intake 6637
140v idm mod
Efuel all built In house
II s475 .90 turbine spool....
Irate T4 304ss up pipes
T500 with gen3 pump
450/400s hush power
Comp built Trans 2100 stall converter
Gearhead tunes

531/1080 on 250/200s

www.73performance.com

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post #5 of 17 Old 12-17-2011, 10:16 AM
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The Diamond Eye exhaust systems seem to be holding up very well. They are inexpensive as well.

a 5" kit isnt needed, it wont provide anything except a small exhaust note change.

Paul @ Complete Performance can hook you up with anything you need.

Ill be going with the 5" Diamond Eye on my truck when the time comes.

-Garrett


Too many projects. Too little time...
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post #6 of 17 Old 12-17-2011, 02:05 PM
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Hi,
I just put on a diamond eye exhaust this week. It does require some cutting and the bending of the fire wall weld. It takes patience and tools. The spare tire will need to be adjusted.
As stated already pretty good value.
FYI i installed a 3" down pipe and 4" exhaust not straight piped re used the stock converter not sure of correct name for it on a diesel.
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post #7 of 17 Old 12-17-2011, 02:22 PM
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I have 5" and it has a really deep sound, I love it. Then on my dad's truck we have a 4" Diamond Eye with a muffler and no cat since it is a work truck and it is actually really quiet. I really prefer the 5" though, you can really hear the turbo whistle with it. The only downfall with 5" is that it is a little loud in the cab, not too bad though.

My Truck
97' F-250HD. ECLB. 66,000 miles. 7.3. E40D. 6637 Filter. 5" Exhaust. Deleted EBPV. CCV mod. 45 gal. Transferflow Rear Tank. Stock for now. Dana 60 in the works.
My Dad's
97' F-250HD. ECLB. 18x,xxx miles. 7.3. E40D. 6637 Filter. 4" Exhaust. TW Tunes. Work Truck.
97' F-250HD. ECLB. 150,000 miles. 7.3. E40D. 4" Exhaust. Work Truck.

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post #8 of 17 Old 12-17-2011, 03:05 PM
DERAIL MOD!!!


 
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5" is a sweet deep whistle, 4" is the same, just not as deep

-Kris-
2011 f150 ecoboost 4x4 323/452 on php dyno 11/16/13
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked


Quote:
Originally Posted by marine5811
The stock downpipe in an OBS is flat because I'm a ginger.
Quote:
Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
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Originally Posted by JJFLASH
Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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post #9 of 17 Old 12-17-2011, 04:11 PM Thread Starter
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Thanks for all the info i think i'll probably end up with a 5" just for the simple fact that i am looking for that deeper tone and my turbo and injectors as well as a few other performance mods are in the near future anyways i'm sure nothing crazy enough for 5" but oh well we'll see how it goes haha
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post #10 of 17 Old 12-17-2011, 04:19 PM
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Just want to point out the 4" MBRP kit I'm running let me leave my 35" spare in the stock location. Something to think about when considering the diamond eye, as relocating a spare can be a PITA.
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