Harley Davidson Exhaust Laws

Use of a motorcycle with such a modified exhaust system is also prohibited.

Harley davidson exhaust laws. By Chris Gilliland Developed by Harley-Davidson Motor Co. A few examples of this are the cylinder head handles and tank emblems. 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.

Hyde red to the exhaust which fits perfectly with the original details. This electronic control unit is the brain of the product and contains software that reads CANBUS signals coming from the motorcycles ECU. What Is Harley Active Exhaust Control.

Those ultra-noisy Harleys you hear exist because their owners deliberately increased their sound level not because Harley-Davidson made them like that. As a result much of the traditional pushrod V-Twin sound is muted and performance suffers. 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.

Why does my Harley Davidson have an exhaust system. Is a Harley with an aftermarket or modified exhaust system still a Harley. According to DS Harley Davidson.

Ad Fast Free Shipping on Orders Over 40. Fortunately the aftermarket is booming with replacement exhaust. DD Performance Exhaust is known for its high performance Harley Davidson exhaust systems.

Hyde Adapter Kit it is possible to add the typical Dr. Noise Emission Warranty Harley-Davidson warrants that these mufflers at the time of sale meet all applicable United States EPA. Odds are it is stamped with a sticker like the ones seen here.