Getting rid of whistle

jeremiahmercier · Nov 23, 2016

Well, after several longer road trips with the camper I've decided to install my old FTE 4" resonator to get rid of the drone when going up the mountains, but what muffler are yall using to quiet the whistle? It's awful when going through campgrounds, everybody stares and it's just too disrupting, I'm ready to have it quiet. Right now it's 4" straight turbo back system, and the insanely loud power max drop in.

Sent from my SM-G930V using Tapatalk

mikeeg02 · Nov 23, 2016

I cant say about the whistle as I am a 7.3, but I put a donaldson M100465, and 4 to 5 inch adapters in both directions, and it got rid of all drone. I noticed with the FTE resonator, even with a muffler, above ~15 or so psi of boost, it made an awful whistle at the tail pipe, like the rice burners used to do on purpose. Pulling the FTE got rid of most of it. That was all with my old turbo. (38R) I put a different 4" (M085171) donaldson in, and I still had drone, and I put this M100465 in, and its super quiet, and no drone, and I can only hear a slight bit of turbine noise when going under a bridge next to the concrete or similar.

Ryder fleet has them super cheap too.

M100465 muffler

http://www.ryderfleetproducts.com/donaldson-m100465/muffler-5--x-45-p-w26-m100465

adapters

http://www.ryderfleetproducts.com/heavy-duty-exhaust-29-540a/reducer-5-odx4-id-p-s48-29540a

morefuel · Nov 23, 2016

The M100465 does nothing for whistle on a 6.0. It will be super quiet wop though. Seems almost like the more you push the throttle the quieter it gets.

jeremiahmercier · Nov 23, 2016

morefuel said:
The M100465 does nothing for whistle on a 6.0. It will be super quiet wop though. Seems almost like the more you push the throttle the quieter it gets.

That's the case now as for the whistle, only idle and lower rpm are loud, once you get going and get boost up, it not so noticeable. Only the drone gets really loud with a lot of throttle

Sent from my SM-G930V using Tapatalk

6.0 Tech · Nov 23, 2016

My buddy is running a flo pro muffler, but as stated whistle is still there, but it is quiet towing and driving. Whistle is less than my truck when i was running the stage 2 straight piped, but it is still pretty loud whistle wise at idle.

CyrusLoewen · Nov 24, 2016

I wish I could have cut the whistle that i had in the cab on my pickup. But like mr morefuel and I found out, you can take all the tone out and still be left with the whistle. Someone needs to come up with a setup that does muffle the 10 blade whistle...

superpsd · Nov 24, 2016

The Banks Monster is a very quiet very unrestricted muffler.

mikeeg02 · Nov 24, 2016

superpsd said:
The Banks Monster is a very quiet very unrestricted muffler.

I think The Brad has one of those and likes it too, though his is on a 7.3 also, and I cannot speak to its ability to quiet up whistle.

cjfarm111 · Nov 24, 2016

Yes the banks monster muffler helps

TyCorr · Nov 24, 2016

I had one of those and it helps. Mine fell apart though after three years of our weather.

cjfarm111 · Nov 24, 2016

Aren't they stainless?

TyCorr · Nov 24, 2016

The endcaps are. The tube isnt. Neither is the baffle portion. The caps are just friction fit so mine filled up with water over the winter and was rotting the inside out. I opened it up and it was just plain ol yellow fiberglas insulation inside it. About two gals of water in the fiberglas.

jrex2506 · Nov 24, 2016

I've got a 5" diamond eye muffler. it did nothing for the whistle. but I have an 03 turbo with a batmowheel.

sent while on on patrol.

jeremiahmercier · Nov 25, 2016

cjfarm111 said:
Yes the banks monster muffler helps

Are we saying it helps reduce whistle?

Sent from my SM-G930V using Tapatalk

jeremiahmercier · Nov 25, 2016

TyCorr said:
I had one of those and it helps. Mine fell apart though after three years of our weather.

Same, helped reduce whistle?

Sent from my SM-G930V using Tapatalk

TyCorr · Nov 25, 2016

Yea. Its a good muffler. Makes a 7.3 sound like a gasser big block.

superpsd · Nov 25, 2016

Yes with stock turbo or now my S369 I have no whistle with the banks muffler. I only paid 100$ for a 4" from a place that had them on closeout. So far it's holding up and looks new (almost 3 years) but we don't salt the roads here.

Merc82 · Nov 26, 2016

I run 2 dynomax bullets and run and open vane at idle tune, it helps, but definitely doesn't cut it.

JMart · Nov 26, 2016

Get rid of the Powermax turbo.

jeremiahmercier · Nov 26, 2016

JMart said:
Get rid of the Powermax turbo.

Not happening unless I get a KC stage 2, which is just as loud. This turbo tows great, spools fast and keeps egt's low enough I don't really have to pay attention to that Guage while towing my 13.5k fiver

Sent from my SM-G930V using Tapatalk