Harley Davidson Exhaust Laws

As a result much of the traditional pushrod V-Twin sound is muted and performance suffers.

Harley davidson exhaust laws. Those ultra-noisy Harleys you hear exist because their owners deliberately increased their sound level not because Harley-Davidson made them like that. Hyde red to the exhaust which fits perfectly with the original details. And for that reason they developed a special exhaust system for Europe and I think especially for Germany.

Expert Gear Advice From Riders. There are certainly laws against the excessively loud exhausts on Harley Davidson and any other motorcycles but they are not standard in the entire country. Use of a motorcycle with such a modified exhaust system is also prohibited.

Hyde system contains a smartbox. Odds are it is stamped with a sticker like the ones seen here. Your choice of the exhaust can mean the difference between your bike sounding like a lawn mower to sounding like a monster.

This warranty will not apply to any motorcycle or sidecar as follows. Stock Harley Davidson and other motorcycle pipes have catalytic converters in them because of federal manufacturing emission laws. Over the years the intake and exhaust systems on Harley big twins have become restricted to meet EPA noise and smog law requirements.

I used a decibel reader on my iPhone and showed the CHP inspector that my Thunders Headers were under the 97 decibels that the modified exhaust law required. Is a Harley with an aftermarket or modified exhaust system still a Harley. DD Performance Exhaust is known for its high performance Harley Davidson exhaust systems.

Why does my Harley Davidson have an exhaust system. Most Harley owners agree that changing their exhaust was the. Dennis Hendrixs customers of course would insist that the answer is yes but it seems intuitively obvious that Harley-Davidson would not as the company is seeking a trademark in the sound of the motorcycles it produces in.