Originally Posted by tranceformer

The motor rev's a lot quicker because a significant amount of weight was removed from the flywheel. It really wakes up the car. And as a result SRM works a lot better too. Not that expensive for the part itself, maybe $400 or so depending on which one you get. Only downsides are the noise at low rpm's & idle, that and it might be difficult or pricey to install because the transmission has to be dropped to install it.