A lot of companies are using that type of resonator now, they don't usually have any electronics or valves. I know HKS has used them a while, I have it on my Z exhaust. They are called Helmholtz resonators. Helmholtz resonance is supposed to aide in exhaust gas scavenging for increased power.
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Originally Posted by FT-86GOD
Is the pipes running of the exhaust pictured here some type of electronic adjustable resonator or something?  |