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Discussion Starter #1
I am going to replace the stock filter on a new one. But I have a question: on the pipe from engine to the filter there is a box. I don't know what it is, because there is nothing written on it and the manual for my car was lost. So, please answer 2 questions:
1. What is this box for?
and/or
2. Can I download any manual or something for my Rav4.1
 

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Re: Need help!

You are probably refering to the resonance chamber on the intake elbow, and empty plastic box that seems to have no purpose. It supposedly provides a cushion of air for when the intake valve is suddenly closed, prevening back presure that would interupt airflow.
 
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Thank you, tankd0g! You information really helped me
 

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Looking for a 2000 sales brochure

Anyone have one kicking around or that is downloadable (for a 2000 4.1 4 door ) ?
 
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