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Reload this Page Exhaust baffle/ box structure between cat and resonator?

Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.

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Old 04-25-2012, 02:57 PM   #15
robotvoice
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Quote:
Originally Posted by serialk11r View Post
Someone pointed out in an older thread that it looked like a Helmholtz resonator, I have no idea how noise suppression is usually carried out but I assume it's to tune some certain frequency band.
That's most likely what it is. The stock exhaust on the S2000s have this as well.
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