MORE DETAILS AND LINKS IN COMMENTS / DESCRIPTION:
If you have recently disconnected the Exhaust flapper Valve from the Servo motor (For a deeper, louder exhaust note and smoother low down throttle response) you should check for strange sounds as it may indicate a motor which could burn out from lack of tension. I think I may have found a fix. Use at your own risk
Step1: watch this, its basically the same: [ Ссылка ]
Step2: Google and Ebay product number from HealTech: ESE-HO4
Step3: [ Ссылка ]
Step4: [ Ссылка ]
Ещё видео!