For 8K you could have a supercharger paid for and installed.
Before dropping that kind of cash take Pokey's advice.
Also consider that if you track the car the $$$s add up quickly in terms of track days, instruction. lodging, tires, brakes, and maintenance.
2007 Sapphire Black Z4M / LeatherZ Goodies / Turner Camber Kit / Clutch Stop / Ultimate Pedals / DIY Stubby / #1047
2012 Golf TDI (DD)