Closed Box Air Intake (18634) 1999-2004 Toyota Tacoma, 1999-02 4Runner - Volant Performance

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Closed Box Air Intake (18634) 1999-2004 Toyota Tacoma, 1999-02 4Runner, 2000-03 Tundra 3.4L V6

10 reviews

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  • Volant air intake systems utilize a high-velocity venturi filter adapter which provides a smooth transition through the MAF sensor into the intake tube for a much needed airflow improvement over the factory rubber tubing and resonator box. Volant's Cool Air box is larger than the factory unit and incorporates a larger opening to collect a higher volume of colder ambient air.

    This model includes a MaxFlow 5 Oiled Filter for improved performance with the comfort of oiled filtration technology for those looking for horsepower.

    Filter Type
    MaxFlow 5 Oiled Filter
    Filter Part # 5129
    Pre-Filter Part # 51901
    Filter Maintenance 5100

Customer Reviews
3.4 Based on 10 Reviews
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    Volant Performance Closed Box Air Intake (18634) 1999-2004 Toyota Tacoma, 1999-02 4Runner, 2000-03 Tundra 3.4L V6 ReviewVolant Performance Closed Box Air Intake (18634) 1999-2004 Toyota Tacoma, 1999-02 4Runner, 2000-03 Tundra 3.4L V6 Review
    18 Dec 2023

    99 Toyota 4Runner

    Overall the item is well made, looks nice and performs well. The only thing I don't like about it was the cheap flimsy plastic and screws holding the MAF in. This should have come with some thicker plastic or metal inserts to prevent stripping or the MAF accidentally getting pulled out when changing the filter media.

    Garret D.
    United States United States
    18 Apr 2023

    Build quality lacks

    I installed it last weekend. The build quality is pretty bad. The filter tube is too long and a bunch of mounting hardware was missing. Pretty disappointed in a product that wasn’t cheap.

    Martin P.
    United States United States
    06 Apr 2022
    Gabriel M.
    United States United States
    04 Apr 2022


    I know this isn’t supposed to be for 1996-1998, but with some extra work and parts it works flawlessly! I put this in my 1998 Toyota 4Runner, The only other part you’ll need is a 1999-2002 MAF sensor. And the only other tool you’ll need is a pick set. There’s a bunch of fourms with how to do it, but basically you just need to re wire the connection, and it works amazing. Great upgrade, Absolutely worth the time and money!

    Mason T.
    United States United States
    12 Jan 2022

    Toyota Tacoma filter

    Great product, can feel the power difference right away. Fit and finish was good, rubber liner for enclosed air box was a pain to put in but like the product.

    matt a.
    United States United States
    22 Dec 2021

    Took a long time and doesn’t fit my truck

    Took almost two months to get and then when I got it I find out the air tube doesn’t fit my map sensor. Now I have to try and return it.

    Jeffory G.
    United States United States
    10 Aug 2021

    Want to return

    So far horrible. The box won’t fit and the pipe coming from throttle body is all wrong. Talked to warranty person about it and decided to return the item, but can’t get anyone to respond to my emails about getting the product returned. Would not buy if you have a 2002 Toyota tacoma with 3.4L V6.

    Cory H.
    United States United States

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