Airstrip Attack: C6 Z06 Bolt ons (570HP) vs C6 ZR1 Stock (638HP) by shift-s3ctor | Apr 8, 2013 | Videos | 0 comments C6 Z06: Bolt ons and heads. C6 ZR1: Stock. Related Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email. Δ