The Akrapovic SLIP-ON exhaust system is designed for riders who want to upgrade the looks and performance of their bikes at an affordable price, without making a major modification. The change will also be visual as our HEXAGONAL mufflers perfectly fit the exterior line of the aggressive roadster and add a clean racing image. System is not homologated and is developed only for race track use.  WARNING!  Akrapovic slip-on system Honda CB1000R 2008 MUST be used in combination with ECU fuel mapping enrichment, otherwise you risk severe engine damage!  PC III USB mappings available for HONDA CB1000R www.powercommander.com: M135-504 (with DB killer) M135-505 (without DB killer))