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  #1  
Old 07-19-2009, 05:50 AM
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Possible to have no exhaust?

I know this may sound stupid but i was wondering if you could still operate a vehicle with no exhaust i know you wont pass emissions but would you car be louder?And any dangerous issues?
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Old 07-19-2009, 06:00 AM
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Re: Possible to have no exhaust?

what do you mean 'no exhaust'? it is 100% IMPOSSIBLE to build a car without some kind of exhaust. i'm not sure if you worded that wrong or what, but every internal combustion engine has to have an exhaust system. did you mean no muffler or what?
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Old 07-19-2009, 06:47 AM
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Re: Possible to have no exhaust?

yea no muffler
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Old 07-19-2009, 07:20 AM
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Re: Possible to have no exhaust?

well it's totally doable, but as you mentioned you'd fail smog, and its just illegal in and of itself. it would make your car a lot louder, but there would be no danger issues unless you consider tickets dangerous. if you got a wide enough straightpipe though you could make it look sorta like a muffler and maybe solve some of those issues. you'd also probably need a resonator or something to make it not sound like crap. there's no point though really. just get a muffler thats a straight canister
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Old 07-19-2009, 11:19 AM
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Re: Possible to have no exhaust?

Its not worth it. I had to run with no muffler for a few weeks and it was insanely loud.
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Old 07-19-2009, 04:20 PM
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Re: Possible to have no exhaust?

i run with no muffler, but witha big resonator only. that full straight pipe from the heads to the rear
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Old 07-19-2009, 06:03 PM
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Re: Possible to have no exhaust?

Mmmm, I like TT open downpipes with no kitties.
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Old 07-20-2009, 12:11 AM
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Re: Possible to have no exhaust?

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Originally Posted by SL3000gt View Post
Mmmm, I like TT open downpipes with no kitties.

Agreed. Turbo spools SO loud!
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Old 07-20-2009, 02:56 PM
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Re: Possible to have no exhaust?

There is a big difference in a Turboed car running without a Muffler and a NA car. The turbo's themselves Muffle the sound a lot! thats why turboed cars running open DP don't hurt your ears..

Also it is not impossible to build a car without exhaust. quite simply don't put it on.. lol problem is it would be insanely loud and you will burn up your Exhaust Valves.


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Old 07-20-2009, 05:45 PM
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Re: Possible to have no exhaust?

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Originally Posted by jason_bet View Post
Also it is not impossible to build a car without exhaust. quite simply don't put it on.. lol problem is it would be insanely loud and you will burn up your Exhaust Valves.


Jason
true, true. but he asked if you could operate a vehicle with no exhaust and you really couldnt. at least not for very long
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Old 07-20-2009, 07:28 PM
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Re: Possible to have no exhaust?

No exhaust manifolds or anything. I'll give it 20, maybe 30 seconds tops until your entire engine bay is engulfed in flames.
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Old 07-20-2009, 07:39 PM
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Re: Possible to have no exhaust?

It would not even start in the first place. ICE no exhaust= no start......
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Old 07-23-2009, 07:48 AM
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Re: Possible to have no exhaust?

^^^ what?

I ran open down pipe for ever it was louder but i loved it. Vert ran open turbo for months ... speaking of vert what happend to him or yogs, or musashi? ...
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Old 07-23-2009, 09:50 AM
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Re: Possible to have no exhaust?

its not safe to run open headers for a long period of time, especially open turbos, also the engine usually needs some backpressure
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Old 07-23-2009, 12:11 PM
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Re: Possible to have no exhaust?

Quote:
Originally Posted by quackmandude View Post
its not safe to run open headers for a long period of time, especially open turbos, also the engine usually needs some backpressure
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Backpressure is a myth.

The only problem with running open headers is the possibility for valves cracking due to heating and cooling.
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