*1319
*** see also notes on tuning. When using the optional cat-back muffler replacement pipe, the system must be tuned with a fuel management system. Open slip-on street legal with optional link pipe for Honda CB1000R 2008- MUST be used in combination with ECU fuel mapping enrichment, otherwise you risk severe engine damage! For Dynojet Power Commander users: PC III USB mappings for HONDA CB1000R available on PC III USB mappings available for HONDA CB1000R www.powercommander.com: M135-504 (with DB killer) M135-505 (without DB killer)