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Are Straight Pipes Legal?

Are Straight Pipes Legal?

Postby 03NebSilverado [OP] » May 04 2012, 12:20pm

Was thinking bout getting straight pipes for my 5.3. Have a bunch of friends that have this and have never got pulled over, im still not sure if theyre legal. Is it a secondary offense?
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Re: Are Straight Pipes Legal?

Postby HartskiHartski is online! » May 04 2012, 12:25pm

Depends on the laws in your state. Check with some local muffler shops. They might be able to help.
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Re: Are Straight Pipes Legal?

Postby Explorer » May 04 2012, 12:31pm

Individual state inspection laws will be in effect. Contact them. Here, a muffler shop will not remove a cat converter, this I believe is Federal law.
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Re: Are Straight Pipes Legal?

Postby HartskiHartski is online! » May 04 2012, 12:39pm

The thing to do is put dual high flow cats on it, then straight pipes. Then the only laws you'd break would be local noise ordinances.
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Re: Are Straight Pipes Legal?

Postby rodcheapo » May 04 2012, 9:30pm

I would put the cats on anyways....true straight pipes are actually quite painful to listen to, especially when header back pressure causes the gun-shot like pop. Sure it's great on a drag car, but I wouldn't want to scream along without something restraining the noise.

To answer your question though...I believe it varies as with jurisdiction, and then of course you have to take the 'friendliness' of the police into account.
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Re: Are Straight Pipes Legal?

Postby 03NebSilverado [OP] » May 05 2012, 12:10am

Im keepin the cats on anyway, so if i just get rid of the muffler, it should be okay?
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Re: Are Straight Pipes Legal?

Postby rodcheapo » May 05 2012, 2:13am

I'd call the DOT in Nebraska and find out....I'd get pulled over in a second in Cleveland, even if it is legal with cats in Ohio (about 85% sure of this). The DOT will have rules based on emissions, so I'd think you'd be fine if you kept the cats. I don't see a plains state being too hard on noise level.
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