Harley Davidson Exhaust Laws

What Is Harley Active Exhaust Control.

Harley davidson exhaust laws. Hyde Adapter Kit it is possible to add the typical Dr. Your choice of the exhaust can mean the difference between your bike sounding like a lawn mower to sounding like a monster. Fortunately the aftermarket is booming with replacement exhaust.

To get the most radical change in your Harley Davidson changing to a high-performance aftermarket exhaust system is the preferred way to get the sound you want. A question at the outset thus emerges. As a result much of the traditional pushrod V-Twin sound is muted and performance suffers.

Why does my Harley Davidson have an exhaust system. This electronic control unit is the brain of the product and contains software that reads CANBUS signals coming from the motorcycles ECU. It was 94db The Officer agreed with me and signed off my ticket.

Noise Emission Warranty Harley-Davidson warrants that these mufflers at the time of sale meet all applicable United States EPA. A few examples of this are the cylinder head handles and tank emblems. Those ultra-noisy Harleys you hear exist because their owners deliberately increased their sound level not because Harley-Davidson made them like that.

Expert Gear Advice From Riders. DS Harley Davidson a dealer in Phoenix Oregon has its own blog and recently they addressed a popular question. 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.

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. To reduce sound and noise emissions produced by their line of motorcycles the Active Intake Control AIC system is an electronically controlled servo that opens and closes a valve in the intake chamber according to preset engine speeds. Federal Noise and Emissions standards.