Couldn't be happier with this kit. I had the Stillen Supercharger installed on my 2013 G37 Sport 6MT just last Friday and she's running amazing. Currently I have the Stillen SC with a 9PSI pulley/Stillen Oil Cooler/Fast Intentions Resonated HFC's and GTHAUS CBE. She put down 422 RWHP on a Mustang dyno and the car is a blast to drive. Currently I'm on the stock clutch/flywheel but that will be my next mod to swap it out for somthing better. So far so good