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Safe to remove muffler?

 
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Old 17 Aug 2016, 05:21 am
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Default Safe to remove muffler?

Never liked how quiet my cruiser was do today I did a muffler delete and im pretty with it.. It's not to loud and
And is pretty throaty!
Question is ..
Is it safe for the car
I have a 07 Base model PT
Thanks!
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Old 17 Aug 2016, 06:34 am
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Default Re: Safe to remove muffler?

Yes.

Lots of members have done this in the past with no ill effects.
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Old 17 Aug 2016, 08:53 am
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Default Re: Safe to remove muffler?

the question, Safe to remove muffler?

safe for the engine sure why not...

On a NA PT with a 2.4 you may have some loss in low end torque which will also mean loss in some MPG.

You may get an over loss in HP because of reduced exhaust temperatures at lower and normal engine operating speeds?

You may get a slight increase in WOT power?

You will annoy your friends and neighbors driving through residential area's and parking lots if you throttle up causing alarms to activate.



And I would not go into any state and especially Federal Parks without your muffler attached you might end up wear chrome bracelets.


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Old 17 Aug 2016, 09:05 am
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Default Re: Safe to remove muffler?

Wellllll...... if you look at the Neon SRT turbo, they didn't come with mufflers, the rear exhaust was actually just a resonator.

You should be fine running just the straight pipe after the cat or resonator. If there's a resonator on there, I'd probably leave that on but removing the muffler won't set off the CEL or anything.

You might, however, annoy your neighbours, but if there's a bunch of loud fart Hondas or straight pipe Harleys in your neighbourhood, I wouldn't lose sleep over it
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Old 17 Aug 2016, 10:03 am
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Default Re: Safe to remove muffler?

A resonator is a form of a muffler
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Old 17 Aug 2016, 10:50 am
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Default Re: Safe to remove muffler?

Quote:
Originally Posted by BoostedPTBruiser View Post
Wellllll...... if you look at the Neon SRT turbo, they didn't come with mufflers, the rear exhaust was actually just a resonator.

You should be fine running just the straight pipe after the cat or resonator. If there's a resonator on there, I'd probably leave that on but removing the muffler won't set off the CEL or anything.

You might, however, annoy your neighbours, but if there's a bunch of loud fart Hondas or straight pipe Harleys in your neighbourhood, I wouldn't lose sleep over it

There's no resonator. Most 2.4L PT Cruisers just have a catalytic converter and a muffler at the end of the exhaust. And since the muffler is at the end, removal doesn't seem to affect the oxygen level enough in the exhaust flow up where the oxygen sensors are.

With the muffler removed, the NA engine is fairly quiet at low speed but kind of a loud "fart like" sound (as you describe) during acceleration. There will also be a noticeable drone while cruising on the highway at speed. Adding a small aftermarket muffler at the end of the exhaust stream may help with the drone. It does on many other cars.

On the turbo PT I imagine that the turbo helps mitigates the drone as it does on many other turbocharged cars and trucks. But I haven't been around a turbo PT myself with the muffler removed. I liked the sound of mine as it was with the custom camshafts and Stage 1 PCM.

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Old 17 Aug 2016, 11:53 am
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Default Re: Safe to remove muffler?

Thanks for all the quick responses I live in a area where there are many and I mean many farty civics etc... My car isnt even as close to those cherrybombs haha.. may get tired of it and put it back on who knows!
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Old 17 Aug 2016, 12:49 pm
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Default Re: Safe to remove muffler?

Quote:
Originally Posted by PeetyThePT View Post
Thanks for all the quick responses I live in a area where there are many and I mean many farty civics etc... My car isnt even as close to those cherrybombs haha.. may get tired of it and put it back on who knows!
A Cherrybomb(TM) glasspack on a US Turbo model PT Cruiser sounds better then a stock system. Not loud as the stock system and NO drone.

Installing any muffler or resonator after removing the stock muffler (that has no problems) because of the level of noise sorta defeats the reason for removing the stock muffler?
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Last edited by NitroPT; 17 Aug 2016 at 12:52 pm.
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Old 17 Aug 2016, 01:05 pm
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Default Re: Safe to remove muffler?

Examples of out 2005 GT Turbo model with a custom CAT back commercially available Cherry Bomb glasspack in a 45 degree angled tail pipe turned down in front of the rear axle.










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Old 17 Aug 2016, 02:00 pm
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Default Re: Safe to remove muffler?

Has always worked ok for me.

Loud Pipes save lives.
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