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yes it needs back pressure to operate properly besides if the law is around it could be expensive lol

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Q: Is it bad to run a 7.3 diesel without muffler?
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Is it bad to ride a dirt bike with no muffler?

It is not bad to run it without a muffler with a straight pipe. But remember the louder it is doesn't necessarily mean the better the performance.


How do the muffler make your car run?

The muffler makes your car run quiet


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Yes, wont hurt the car at all, you will lose some low end torque but gain top end power. You cannot legally run no muffler unless the car was made without one. The only recent car that was made without a muffler is a Dodge Neon SRT4, and its even legal in California, go Dodge!


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If fuel injected, yes. Plus it is illegal.


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It does not hurt an engine to run it with no exhaust muffler


Would having no muffler or pipes hurt performance on a truck Or be bad for the vehicle?

If you run the engine without pipes , you will inevitably start a fire under the hood from the flames shooting out of the exhaust ports


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you may burn up the exhaust valve.i would not do it.


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