This is the reply i got when I asked Dr. Z the same question about 2005 SRT6 coupes.

Thank you for contacting the Chrysler Group Customer Assistance Center
regarding your Crossfire.

DaimlerChrysler produced 1,620 2005 Crossfires. No further information
is available.

Thanks again for your email.

Sincerely,

Lashon

Senior Staff Representative
Chrysler Group Customer Assistance Center

For any future communications related to this email, please refer to the following information:
REFERENCE NUMBER: 15651638
EMAIL CASE NUMBER: 1585769