FOR MANUAL TRANSMISSIONS RPMS REMAIN HIGH EVEN AFTER FOOT IS OFF THE GAS PEDAL CONSEQUENTLY MAKING IT IMPOSSIBLE TO MATCH RPMS AND CAUSING PREMATURE FAILURE TO FRICTION DISKS (CLUTCH). UN NECESSARY WEAR CAUSING 1200+ IN REPAIRS. BRAKES LOCKED UP ON HIGHWAY.. LOST CONTROL SPUN 5 TIMES AND EVEN AFTER NEW ALTERNATOR.. THE RPM NEVER REDUCES PROPERLY.. HAD IN SHOP 3 X'S SET AT YOUR SPEC IS WRONG TO MAKE BRAKE ELEASE JERK, CAR SHAKE AT LIGHTS AND CAUSES ME TO REAR END ANOTHER CAR. 2/6/16