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+--- Thread: Performance Exhaust (/showthread.php?tid=6199)
Performance Exhaust - cbfan_imp - 09-29-2013
Has anyone installed performance exhaust such as Yoshimura and pulled plugs after several hundred miles to see how lean its running?
Just wondering if something like Power Commander is required to kept from running too lean and maybe doing engine damage.
RE: Performance Exhaust - FUZZY_imp - 09-29-2013
(09-29-2013, 01:04 AM)cbfan_imp Wrote: Has anyone installed performance exhaust such as Yoshimura and pulled plugs after several hundred miles to see how lean its running?
Just wondering if something like Power Commander is required to kept from running too lean and maybe doing engine damage.
Slip-on no, full exhaust yes you need a tuner. It will be lean.