yes they are because a few years ago there was a plot to blow up the president by terrorists planting bombs in the pipes in the president's limo the next time it was taken to be repaired. but they found out about it and since straight pipes are illegal because bombs can't curve they are only straight
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The above is not correct. Straight pipes are illegal (in the U.S., at least), but they are illegal because of the loud noise they produce and because vehicles with straight pipes usually do not meet emissions standards.
yes
Yes straight pipes are illegal in north carolina. IF your car or truck has to pass and imissions inspection. But if you don't have to pass imissions the noise that comes from straight pipes is not a big deal. Atleast not it my hometown.
In Pennsylvania, it is illegal to operate a motor vehicle with a modified exhaust system that makes excessive noise or does not meet state regulations. This can include straight pipes that do not have proper mufflers or catalytic converters. Violating these laws can result in fines and penalties.
If your car and/or truck came with a Catalytic Converter from the factory then, yes. Vice Versa, if it did not, then no.
In Indiana, it is illegal to drive a motor vehicle on a public road with a modified exhaust system that exceeds the noise level permitted by law. Straight pipes exhausts are often louder than factory mufflers, so they may be considered illegal if they create excessive noise.
run straight pipes. illegal in many states. will lose torque, but will be very loud.
are straight pipes on 2500 duramax legal in ohio
No
no
5 inch straight pipes with no catylatic converters. If it is a diesel, DPF delete and 6 inch straight pipes.
The best way to clean out the inside of your custom motorcycle straight pipes is to remove the pipes and use a cleaning solvent and a rag with a long handled brush.
if u want ur truck to be very loud the straight pipes would be the way to go but if you just want a go sound than the flowmaster 40s would be the way to go but dont get wrong the straight pipes sound great