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+--- Thread: Interactive exhaust valve (/showthread.php?tid=5791)
RE: Interactive exhaust valve - lemontree_imp - 07-04-2015
Hi everyone I just bought a CB11 and was confused what the flap valved thing at the end of the exhaust did. Glad I stumbled onto this thread. Would it be the reason why I hear a different sound of air intake/exhaust at different throttle openings? It is noticeable on low to mid throttle openings in low speed. Thanks!