YotaTech Forums - Airbox Resonator

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rk2runner

09-05-2007 03:04 PM

Airbox Resonator

My 1990 4Runner has (what the manual calls) a resonator. It is the black plastic box located next to the airfilter box. What is its purpose or what does it do?

86tuning

09-05-2007 03:14 PM

Quote:

Originally Posted by rk2runner (Post 50608605)

My 1990 4Runner has (what the manual calls) a resonator. It is the black plastic box located next to the airfilter box. What is its purpose or what does it do?

It reduces intake noise for a quieter truck.

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