What muffler will kill some noise, but not the turbo whistle? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 18 (permalink) Old 05-30-2018, 05:14 PM Thread Starter
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Question What muffler will kill some noise, but not the turbo whistle?

When I got my truck last December, the dealer has deleted the cat and muffler and installed a 4" turbo back exhaust....basically straight piped the thing.

I absolutely love the way it sounds......super quiet on the highway with the windows up (unless you get the gas hard then it's pretty loud), and when it's idling it's got a hell of a turbo whistle to it. I think it sounds just about perfect! With the RPMs under 2,000 or so.....you can't even hardly hear it. Around town with the windows down, it's got a pretty aggressive sound to it.

BUT....when ever I'm towing the boat or the camper......it can get a little annoying when I'm having to go up some big grades if the transmission has to shift down and the RPM's get up higher than around 2,500.

Is there a muffler I can install that will kill some of the volume of the exhaust, but will still let you hear that awesome turbo whistle?

Thanks!

2005 F250 6.0 PSD, ARP Studs, Felpro HG's, EGR Delete, IPR Coolant Filter, Bilstein 5100s, Blue Spring Mod, IDP Custom Tunes
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post #2 of 18 (permalink) Old 05-30-2018, 07:21 PM
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Re: What muffler will kill some noise, but not the turbo whistle?

I have this: AP Exhaust XS2772 Muffler

Purchased off amazon and sounds awesome.


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post #3 of 18 (permalink) Old 05-30-2018, 08:52 PM
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Re: What muffler will kill some noise, but not the turbo whistle?

Many like the FTE resonator.

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1979 chevy c30 dually, sm465, 373's? Converted to 6.2 diesel, pump turned up and advanced a hair.(wrecked)
1994 ford F350 dually 4X4: 7.3 powerstroke, 5 speed. 6637, straight pipe into dual stacks. Cooper discoverer at/3's.
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post #4 of 18 (permalink) Old 05-31-2018, 03:02 AM
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Re: What muffler will kill some noise, but not the turbo whistle?

Personally, I hate the whistle some of these things make. Sounds like a jet engine or something. Cummins are especially annoying.

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Ps...Im pretty frickin awesome!
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post #5 of 18 (permalink) Old 05-31-2018, 03:05 AM
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Re: What muffler will kill some noise, but not the turbo whistle?

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Originally Posted by jamiesaun View Post
Personally, I hate the whistle some of these things make. Sounds like a jet engine or something. Cummins are especially annoying.


You and I both. Some of the 6.0 love the whistle. It’s cool the first few times “my turbo works yay” but chit, every damn stop light is just as annoying as my wife.


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post #6 of 18 (permalink) Old 05-31-2018, 03:16 AM
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Re: What muffler will kill some noise, but not the turbo whistle?

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Originally Posted by ​ DieselDC View Post
You and I both. Some of the 6.0 love the whistle. It’s cool the first few times “my turbo works yay” but chit, every damn stop light is just as annoying as my wife.


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Ya I can third that, the flipping whistle sucks.....


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2004 F-250 Lariat 6.0L, crew cab, 2006 motor swap, white w/ gray interior, SCT X4, 4'' down pipe with 5'' to a stack, 325/65-18 nitto terra grapplers, air rad intake, egr delete, studded and deleted, FASS System ([email protected]) with sump, 190/100% Swamps Diesel Injectors, atlas 80 PHP FICM, RCD rods, DDPM lifters, Turbo Lab of America turbo.
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post #7 of 18 (permalink) Old 05-31-2018, 03:19 AM
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Re: What muffler will kill some noise, but not the turbo whistle?

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Originally Posted by 79jasper View Post
Many like the FTE resonator.

Sent from my SM-G892A using Tapatalk

I can second that FTE resonator.... I put the 5”x32” resonator on my truck and it still has the flipping whistle (not as bad though) idle sounds good, cruising around town is also good, then when you do get on her the growl is mean. Also the cab drone is non existent at 70mph.... I’ll never put a muffler on a vehicle ever again after using this resonator


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2004 F-250 Lariat 6.0L, crew cab, 2006 motor swap, white w/ gray interior, SCT X4, 4'' down pipe with 5'' to a stack, 325/65-18 nitto terra grapplers, air rad intake, egr delete, studded and deleted, FASS System ([email protected]) with sump, 190/100% Swamps Diesel Injectors, atlas 80 PHP FICM, RCD rods, DDPM lifters, Turbo Lab of America turbo.
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post #8 of 18 (permalink) Old 05-31-2018, 11:38 AM
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Re: What muffler will kill some noise, but not the turbo whistle?

Try a 40" plus Donaldson muffler from a semi
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post #9 of 18 (permalink) Old 06-01-2018, 10:10 PM
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Re: What muffler will kill some noise, but not the turbo whistle?

Walker BTM
https://blackclouddiesel.com/mufflers-walker-btm/

Matt
Early 1999 F250 4x4 Crew Cab 7.3 liter Lariet
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post #10 of 18 (permalink) Old 06-02-2018, 12:09 PM Thread Starter
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Re: What muffler will kill some noise, but not the turbo whistle?

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Originally Posted by Scherf View Post
I can second that FTE resonator.... I put the 5”x32” resonator on my truck and it still has the flipping whistle (not as bad though) idle sounds good, cruising around town is also good, then when you do get on her the growl is mean. Also the cab drone is non existent at 70mph.... I’ll never put a muffler on a vehicle ever again after using this resonator


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That's the one thing that drives me a little nuts....with my 4" straight pipe exhaust, right around 75mph...it starts droning in the cab. It would be nice to get rid of that....I will have to check out that resonator.

2005 F250 6.0 PSD, ARP Studs, Felpro HG's, EGR Delete, IPR Coolant Filter, Bilstein 5100s, Blue Spring Mod, IDP Custom Tunes
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