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Driving without a muffler bad for the car?

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Old 09-02-2008, 11:06 AM
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Default Driving without a muffler bad for the car?

Hey guys, someone recently stole my Injen Exhaust and cut all the rubber hangers, so now I'm riding without a muffler (it sounds horrible too, BTW).

Anyway, is this going to damage the car in anyway until I can afford a new one?


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Old 09-02-2008, 11:14 AM
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Shouldn't cause too many issues that I know of... except be moderately annoying for a while.
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Old 09-02-2008, 01:47 PM
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nope not harmful, just loud and annoying.. haha my spipe is disconnected right now and its crazy loud! im a ricer for now lol
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Old 09-02-2008, 01:48 PM
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I drove without a muffler for 3 months. Won't do anything other than make noise.
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Old 09-02-2008, 01:50 PM
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with my exhaust disconnected on the spipe part, im only gonna be poisoned by the fumes lol
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Old 09-02-2008, 01:52 PM
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Yeah, I started the car when I pulled my mid-pipe off and wow, lol.
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Old 09-02-2008, 01:55 PM
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^^ its like having a huge 2.5 dump tube constantly blowing haha
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Old 09-02-2008, 02:13 PM
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wow that sucks, freakin thieves....
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Old 09-02-2008, 04:18 PM
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This is ridiculous! we need to start making a list of all the bad areas that people are having things stolen from so the heads up is giving not to move there.

I can see rims or whatever, maybe a spoiler being ripped off.... but someone cutting off an exhaust?!?!

That's just downright insane

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Old 09-02-2008, 04:32 PM
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Your all good, should rock it like this though.

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Old 09-02-2008, 04:41 PM
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That is news to me that you can drive without muffler/pipe etc.
It was my understanding that the motor is tuned to expect some back pressure caused by the pipe and driving without that backpressure will cause valves to burn/overheat and eventually fail.
While I have not seen that on a car, I have personally seen it on a motorcycle with straight pipes. I have also seen pistons burned by too little back pressure. Hi flow pipes do help the motor as stock pipes are very restrictive, but some back pressure is needed.
My personal opinion is that I would definitely recommend against it. You should be able to pick up a stock pipe fairly cheap on the forums or ebay as many have removed them and I would advise that you install one of those rather than ride without.
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Old 09-02-2008, 04:46 PM
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you have enough cats in the setup that you don't have to worry about it.

that's halarious though wth. sombody just stole your exhaust
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Old 09-02-2008, 05:37 PM
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Originally Posted by aen
you have enough cats in the setup that you don't have to worry about it.

that's halarious though wth. sombody just stole your exhaust
In SoCal, people steal Catalytic converters! lol! And where I was from before I moved here, people steal sideview mirrors (and just the mirrors--popped with a screwdriver!).

Anyway, people stealing mufflers now, huh? w-t-h! (Sigh.)
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Old 09-02-2008, 05:44 PM
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^^ I hear cats have like platnium or something like that in them that makes them valuable or something.
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Old 09-02-2008, 05:49 PM
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They do. Palladium/Platinum and other lesser valuable ones...amount too small so you'd need to steal a number of them. Oh well. I can understand brand-name mufflers being stolen, but going all that trouble just to steal the cat? Some people are desperate.
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Old 09-02-2008, 06:04 PM
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A cat is probably worth more as a cat than it is as melted metals.
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Old 09-02-2008, 07:40 PM
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There should be a KoS on thieves
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Old 09-03-2008, 02:34 AM
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people are ghetto.
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Old 09-03-2008, 04:43 AM
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People steal the cats to resell.......we get a lot of them stolen off SUVs and such wehre they can jsut lie under it and unbolt it.......sad world we live in today.
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Old 09-03-2008, 12:44 PM
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Man we had this problem on campus but it was cats and gps's hahah there was like some 48 stolen in 2 days....Now there is round the clock popo

I pray no one will boost my HKS : (
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