4" Turbo Back Exhaust Questions - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 8 (permalink) Old 02-10-2009, 09:05 PM Thread Starter
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4" Turbo Back Exhaust Questions

I did a search and could not find any results so here it is:

I have a couple of local Custom Exhaust Shops in the area...am I better having them bend me up a 4" turbo back exhaust or going with a bolt on kit?

Also what does my 03 7.3 have a 3" now?

Will the 4" inch loose me any low end torque? I realize it is supposed to lower the EGTs..

Also I dont want it ridiculously loud so I would put a muffler on it, but does that defeat the whole purpose?



Thanks

2003 F-350 XLT Supercab-Black 7.3/Auto

1990 Mustang 5.0-Black 308 TW Heads, Vortech S Trim, Meth Injection, 5-speed

2009 Harley Street Glide-Black 6 speed
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post #2 of 8 (permalink) Old 02-10-2009, 09:18 PM
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Re: 4" Turbo Back Exhaust Questions

Quote:
I have a couple of local Custom Exhaust Shops in the area...am I better having them bend me up a 4" turbo back exhaust or going with a bolt on kit?
Get a quote from them, then compare the price to those from some of the forum sponsors. My guess is that most exhaust shops will charge more for a custom built exhaust system than you would pay for a pre-made kit shipped to your door.

Quote:
Also what does my 03 7.3 have a 3" now?
A 3" downpipe to a 3 1/2" exhaust, and to a crappy ass muffler.

Quote:
Will the 4" inch loose me any low end torque?
No. You won't notice any difference in power. If you do, it's in your head.

Quote:
Also I dont want it ridiculously loud so I would put a muffler on it, but does that defeat the whole purpose?
Most kits come with a straight through muffler. It's nothing more than a 5" pipe with baffles along the side, and it flows just as much as a straight pipe. So no, you won't be losing anything when putting on a muffler. Some states inspect diesels and will require you have a muffler. Some people just prefer a nice quiet rumble rather than a loud straightpipe. If you aren't required to inspect your truck by the state, then your choice of having a muffler or no muffler is strictly your preference.

Have fun.

Curtis
2002 F-250 PSD
Gambling with 250/200's on PMR's.
478hp/851tq on Haller's dyno - 7/28/12
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post #3 of 8 (permalink) Old 02-10-2009, 09:29 PM
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Re: 4" Turbo Back Exhaust Questions

I just put this on my truck and love the fit and sound. The sound in the cab is just over stock. It was very easy to put on and fit like factory. There is no salt on the roads where I live so I got the aluminized if you have salt I would get the stainless. Beans was the best price I could find and is a sponsor.

http://beansdieselperformance.com/st.../prod_708.html

2001 Crew Cab Lariat F350 4x4 Auto 120k

Mods:
6637
Level kit
Ranch Hand brush guard
Gauges trans, boost, pyro
4" Exhaust
DP Tuner
Rebuilt trans at 92k Local rebuild twin disc

Future mods in order:
Trans cooler
6.0 Intercooler mabey
Stage 1 singles
38r
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post #4 of 8 (permalink) Old 02-10-2009, 09:57 PM
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Re: 4" Turbo Back Exhaust Questions

I suggest a full 4" turbo back, but if you are worried about losing some bottom end, stick with the 3.5" down-pipe. We have some stainless kits on special for $299 shipped right now. Installation is very straight forward, dont pay somebody to do it. If you are interested in a kit, let me know.
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post #5 of 8 (permalink) Old 02-10-2009, 09:58 PM
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Re: 4" Turbo Back Exhaust Questions

^^^ that's a smokin deal.





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post #6 of 8 (permalink) Old 02-11-2009, 12:49 AM Thread Starter
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Re: 4" Turbo Back Exhaust Questions

Thanks for the info...I would rather install myself anyway...

Seems like the MBRP system is pretty popular on here...

any benefit to going with the duals other than looks?

2003 F-350 XLT Supercab-Black 7.3/Auto

1990 Mustang 5.0-Black 308 TW Heads, Vortech S Trim, Meth Injection, 5-speed

2009 Harley Street Glide-Black 6 speed
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post #7 of 8 (permalink) Old 02-13-2009, 02:06 AM
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Re: 4" Turbo Back Exhaust Questions

Duals are mostly for looks, but they do sound a little more aggressive due to the shorter muffler.
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post #8 of 8 (permalink) Old 02-13-2009, 02:09 AM
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Re: 4" Turbo Back Exhaust Questions

Quote:
Originally Posted by DSTRBD View Post
Duals are mostly for looks, but they do sound a little more aggressive due to the shorter muffler.
Duals with an Aeroturbine right behind the downpipe sounds sick!!!!!!

Curtis
2002 F-250 PSD
Gambling with 250/200's on PMR's.
478hp/851tq on Haller's dyno - 7/28/12
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