The pulley is not step one on a 2009-2015 CTS-V. Heat, driveline, then grip — do those three and the LSA rewards you. Skip them and you're just making hotter air faster. Send this to the guy with a pulley in his cart and a stock twin-disc under the car. #ThreePieceUS #CTSV #LSA #Cadillac #supercharged #cars #wheels #carmods