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· Super Moderator
2019 CB1000R
2,021 Posts
If I kept the O2 sensors and the stock filter, I'd still need it mapped straight away?
Yup, because a full exhaust will run lean. You can damage pistons.
I had an Akrapovič open slip-on (CAT delete) on my 2014. An Akrapovič street legal slip-on alone requires no tune or ECU flash.
This can be found on their website, same type of warnings for full exhaust.

Akrapovič Slip-On with optional link pipe for Honda CB1000R 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 available for HONDA CB1000R
M135-504 (with DB killer)
M135-505 (without DB killer)
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