Here is the info that I received from Kleemann:

Thank you for contacting KLEEMANN USA! I have attached a full price
list for your Chrysler Crossfire in Microsoft Word format. Our kompressor
system for your Crossfire is priced at $9,500.00 plus installation.
Installation typically runs in the $1300.0 range, depending on which
authorized dealer you choose. You can find a complete list of dealers on
our website at www.kleemannusa.com. Click on the contacts link, then USA.
The KLEEMANN kompressor will increase HP to 330 and torque to 325 lb/ft. We can further enhance output with stage 2 ($10,500.00) which also includes an ECU upgrade good for a total of 350 HP and 345 lb/ft. of torque. KLEEMANN offers a one-year, unlimited mileage warranty on all KLEEMANN components. Installation can take place at any one of our authorized KLEEMANN dealers.
Please review the attached information and let me know if you have any additional questions or concerns. Thank you again for contacting KLEEMANN USA!

Kind Regards,

Cory Umemoto
Technical Manager

KLEEMANN USA, Inc.
2845 Ore Mill Road
Suite 7
Colorado Springs, CO. 80904
Tel: 719.473.6441
Fax: 719.578.0345
www.kleemannusa.com