DON PERFORMANCE RACE EXHAUST FLAP CONTROLLER FOR JEKILL & HYDE

The DON PERFORMANCE RACE electronic exhaust flap controller is designed for Jekill & Hyde exhaust systems. Intended for racing or dynamometer testing, it keeps the exhaust flap fully open to maintain unrestricted exhaust flow and deliver a more pronounced exhaust sound.

Features:

• Electronic exhaust flap controller

• Designed for Jekill & Hyde exhaust systems

• Keeps the exhaust flap 100% open

• Plug-and-play installation with no additional modifications required when connectors are compatible

• Operates via the motorcycle’s original buttons

• Retains the functionality of the Dr. Jekill & Mr. Hyde mode button

• Developed for Harley-Davidson motorcycles from Euro 4 onwards

• Installation instructions included

Fits:
Harley-Davidson motorcycles from Euro 4 onwards equipped with Jekill & Hyde exhaust systems, subject to connector and wiring compatibility.

Important: the manufacturer states that Jekill & Hyde has been using new round connectors on its exhaust systems since August 2026. Check compatibility before ordering. This controller is intended for racing or dynamometer testing and is not approved for public-road use.