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  #25  
Old 04-24-2015, 11:34 PM
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Re: Turbo whistle

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Originally Posted by HAASPORT View Post
This silencer (aka fun killer) has got to go!

I removed it today just to scope it out. The ends are sonically welded so removing the internals is not an option.

The internal structure is very cool (similar to the inside of a muffler), but it takes all the fun out of hearing the turbo do its thing.

The unit is attached to the frame due to weight alone via a removable frame / cage. The darn thing is heavier than I expected...all due to the internals.

If a straight through pipe is added, the existing frame / cage could be used to secure it.

The inlet (turbo in) side is 2 3/4 and the outlet (exit to intercooler) is 2 1/8. Both ends have a 1 1/8 lip and the overall length is 12 1/4.

I'll be working on a solution today for a bit.

Stay tuned......
Is the pipe not made of plastic? Even if it's not, couldn't the pipe internals be bored out at a machine shop? That way you could keep an OEM exterior look. May be important to some people

And maybe on a more technical note, there are a lot involved in turbo response and designing intercooler systems. Change of pipe sizing, types of intercoolers, how many 90 degree bends, all this stuff has an effect on the performance of the turbo system. I can't IMAGINE that a muffler on the output of a turbo is good. Obviously the engineers signed off that it wasn't DETRIMENTAL to the overall performance and having a quieter vehicle was of greater value than maximizing performance.

For me, there are zero drawbacks to boring out the silencer.

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  #26  
Old 04-25-2015, 07:51 AM
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Re: Turbo whistle

I think before anyone does any boring of the silencer, we should make 100% sure the removal of the silencer is not going to effect the engine in a negative way. These silencers are expensive to replace. I will put mine on a shelf and make a straight pipe for testing.
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  #27  
Old 04-25-2015, 11:01 AM
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Re: Turbo whistle

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Originally Posted by chadg2 View Post
I think before anyone does any boring of the silencer, we should make 100% sure the removal of the silencer is not going to effect the engine in a negative way. These silencers are expensive to replace. I will put mine on a shelf and make a straight pipe for testing.
Agreed, but LONG term I like the idea of stealth too.
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  #28  
Old 04-25-2015, 03:23 PM
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Re: Turbo whistle

Does a cold air intake make a considerable difference in sound (turbo whistle) in these vehicles?

First post here, the fiance just got a new Ecodiesel and I had to start checking out the Jeep forums. I come from a long line of Cummins powered Rams and am always on Cumminsforum learning new things. Hope to do the same here.
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  #29  
Old 04-26-2015, 09:54 PM
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Re: Turbo whistle

Also paying attention, was going to pull mine off today, and like above would rather just replace it with a straight pipe than gut it!
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  #30  
Old 04-27-2015, 08:06 PM
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Re: Turbo whistle

Pulled off the silencer yesterday and the insides and the rubber hoses were all coated with engine oil. I can't believe their is not a factory oil catch can mounted on these. This is going to be a mess going forward in the thousands of miles. Won't this oil plug the cooler off eventually? I'm going to ask to talk to a Diesel Mechanic at my Dealership next time I'm there about what he's seeing this oil do in the future of the turbo system. I can't find a oil catch can that is recommended for this engine. Any thoughts please?
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  #31  
Old 04-27-2015, 08:43 PM
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Re: Turbo whistle

I installed a standard catch can and continue to get the PCV disconnect engine light. It's not dangerous, just annoying. There is a RAM forum where a member has success running this BWW separator without any modifications to the vehicle: http://www.burgertuning.com/BMW_335_oil_catch_can.html

I have one arriving tomorrow and will let you know the result.

Here is the link to the RAM forum where he talks about his success using this oil separator:

http://www.ram1500diesel.com/forum/r...odiesel-7.html
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  #32  
Old 04-28-2015, 02:00 AM
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Re: Turbo whistle

I just purchased an AFE intake that I need to put on in the next week or so.
I would like to further replace the silencer. Keeping my eyes on this thread for progress of the silencer delete.
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  #33  
Old 04-28-2015, 05:27 PM
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Re: Turbo whistle

I was thinking about this more and I believe the biggest difference maker in hearing the whistle noise will ultimately be the intake. Removing the muffled pipe should further add audible noise
In all off the previous turbo cars that I have owned, replacing the intake is always the biggest difference maker.

It would be nice if AFE made aftermarket steel/aluminum intercooler piping for the GC as they currently make them for the Ram.
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  #34  
Old 05-04-2015, 01:35 AM
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Re: Turbo whistle

Quote:
Originally Posted by KiNg MaRtY View Post
I was thinking about this more and I believe the biggest difference maker in hearing the whistle noise will ultimately be the intake. Removing the muffled pipe should further add audible noise
In all off the previous turbo cars that I have owned, replacing the intake is always the biggest difference maker.

It would be nice if AFE made aftermarket steel/aluminum intercooler piping for the GC as they currently make them for the Ram.
Changing the intercooler piping material changes sound for sure. I've gone from plastic to aluminum on other turbo diesels and it definitely changes it. I'm a little reluctant going to an aftermarket CAI as I'm not convinced they add ANY power on a turbo diesel nor do I believe they filter as good as stock. Well, judging from the busted air filters we have, an aftermarket might not be that bad
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  #35  
Old 05-29-2015, 08:49 AM
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Re: Turbo whistle

Any updates??

Has it worked? Any issues/codes, hose pops etc?
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  #36  
Old 06-18-2015, 09:25 AM
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Re: Turbo whistle

bumppppppp.... still waiting for some updates!
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