Muffler or No Muffler? - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 15 Old 02-02-2010, 05:42 PM Thread Starter
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Muffler or No Muffler?

Hey guys, I am planning on buying a full 4" turbo back exhaust from Diamond Eye, but I can't decide... muffler or no muffler?

I really want it to be loud at WOT, but I really could go without the hair dryer sound at idle... Any suggestions?

Post your sound clips/videos if ya got 'em

THANKS

Blake

2013 F-150 CCSB Oxford White FX4 EcoBoost
Loaded with every option...

2008 F-250 CCSB Dark Copper King Ranch 6.4L FX4
4" MBRP Exhaust w/ Muffler (DPF/DOC Delete), Modded Stock Intake, H&S XRT Pro
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post #2 of 15 Old 02-02-2010, 05:58 PM
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On my truck I went with no muffler, but mines an 05 that doesnt have the whistle-o-death charger like yours, and it sounds good at any RPM. Guy at work here has an early build 04 with a 4 inch kit and a muffler and its pretty loud at WOT without the "hair dryer sound at idle".

2005 F250
AEM Brute Force Intake
MKO Power 5" TB exhaust
DiPricol Gauges.
SCT Xtreme Street.
Hi-Idle Mod.
285/70/17 Nitto's (Soon To Be 35/12.50/17)
CFM+ Large Mouth
AEM Water/Meth
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post #3 of 15 Old 02-02-2010, 05:58 PM
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Go without cuase you'll end up taking it out if you get one.

2000 F-250 216k- smoke much?


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post #4 of 15 Old 02-02-2010, 06:02 PM
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I just had mine cut out from the stock pipe the other day along with some gutting of the kitty. I enjoy driving the truck again. It does not sound much different unless you get on it then you get the nice growl!!!!! I say go without the muffler

2006 F250 6.0 Crew Cab King Ranch 4x4
SCT XCAL2
Edge Insight
Kitty ran away
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post #5 of 15 Old 02-02-2010, 06:04 PM
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Yeah thats what i did, i had the new system on for about 6 months then got a pipe put in... mines on a OBS so it'll sound alot different than the 6.0 but i love it straightpipped.
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post #6 of 15 Old 02-02-2010, 08:59 PM
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I have the MBRP 4 inch turbo back with kitty delete, muffler on. I love the sound of it, the muffler is a free flow and still is very loud at wot.

2005 F350 Kingranch FX4 Dually
6.0L Diesel,
Elite/Liberator EGR Delete.
K&N Stage II Intake.
4" MBRP Turbo Back Exhaust, Kitty Gone
2003 International Turbo.
SCT X3 SRL Tune by Matt @ Gearhead and ID's tow and street via Adam.
3 Gauge pillar W/pyro, trans and Boost
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post #7 of 15 Old 02-02-2010, 09:04 PM
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No muffler, period. End of discussion.

Nick, BPS Historian
1995 F-250 4x4 7.3 Powerstroke
Isspro Gauges, Tony Wildman Tunes, PSGH Stage 1 Injectors, Early 99 Intercooler, ATS Stage 6 E4OD, TCI Tranny Cooler, Snow Water/Meth, Traction Bars, EBPV Brake, TC Lockup Switch, Spray-on Liner, K&N Intake w/ NAPA 6637 Filter, 3" downpipe, 5" mitre stacks.
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post #8 of 15 Old 02-02-2010, 09:26 PM
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Quote:
Originally Posted by Tony V View Post
Go without cuase you'll end up taking it out if you get one.
I got a muffler and its still in.

The Mullet Mod
Stock 2005 F-350 4x4
*Afe Intake
*4" TB Exhaust
*Scangauge
*SCT
*Bulletproof Diesel oil bypass
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post #9 of 15 Old 02-02-2010, 09:44 PM
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I had an MBRP 4" TB kit WITH muffler.

I think

(1) you will like how it sounds at idle, slow speed driving and cruising speed
(2) you will LOVE how it sounds at WOT (or anywhere close to it)
(3) you WILL get curious and at some point remove the muffler
(4) you will love how it sounds at idle, slowspeed driving and cruising speed
(5) you will REALLY LOVE how it sounds at WOT
(6) you will not put the muffler back on

I say skip 1-5 I followed the steps above, and then started hacking at the "nice new(ish) exhaust system" until in its current state..... downpipe, cat delete pipe, 45* turn out infront of tire. I'd make it shorter if it would look OK.

Duane
2007 - F-250 Lariat OUTLAW
1983 - MERCEDES-BENZ 300D




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post #10 of 15 Old 02-02-2010, 10:55 PM
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Quote:
Originally Posted by Gforce33 View Post
I have the MBRP 4 inch turbo back with kitty delete, muffler on. I love the sound of it, the muffler is a free flow and still is very loud at wot.
What he said I have the same setup and it's reasonable at idle/cruising on an 05 and rumbles at wot!
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