Doesnt the cut-off get its information from the speedometer? I dont see any other way the cut-off would know to do it, unless it sticks out a finger and tests wind speeds.
Edit: Specific rpm in 4th gear maybe?
2001 BMW 325i Sport, Stickshift
'96 Mercury Mystique V6 *TOTALLED*
For sale:
Alpine CDA-9811
Eclipse Amplifier
Pioneer Tweeters
