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Toyota 4Runner AEM Brute Force Intake System - 21-8406

643548
AEM designs its BRUTE FORCE intakes for popular trucks, SUVs and late-model, fuel injected musclecars, and dyno-tunes each system to produce more torque and horsepower for large displacement engines. AEM tests against the competition with the goal to outperform all other offerings.

AEM's mechanical engineers emphasize tuning the resonance properties of the inlet pipe to help carry more air to the intake valves. AEM routes the plumbing so that the filter draws air from the safest and coolest location, and provide a steel powdercoated heat shield to shroud the filter from engine heat and road dirt. Every BRUTE FORCE intake we make is guaranteed for life.

AEM's R&D testing procedures and quality-first manufacturing processes set these intakes apart. But what makes AEM's intakes better is that they make more torque and horsepower and deliver superior filtration and performance available through AEM's DRYFLOW Synthetic filter. Combine this with compete hardware in every kit, a steel heat shield, reinforced brackets, unmatched looks and a lifetime guarantee, and it's easy to see why BRUTE FORCE Intakes deliver the most "Air Power."

  • Manufactured and assembled in the USA
  • Dyno tuned to produce maximum horsepower and torque
  • AEM's lifetime DRYFLOW Synthetic air filter is up to 99.52% efficient in FINE DUST testing, filters dirt as small as one micron, and never needs filter oil!
  • Inlet constructed lightweight 6063 aluminum and mandrel bent for maximum flow
  • Reinforced TIG-welded brackets and fittings deliver added durability
  • Carbon-Black powdercoated steel heat shield included (when applicable)
  • Utilizes a complete hardware kit with soft mounts for a guaranteed perfect fit
  • Includes exclusive AEM Power Spacer to maximize performance (when applicable, noted in search results)
  • Comprehensive installation instructions, and decals included
  • Available in a gunmetal powdercoat or mirror-polished finish
  • Guaranteed for life!
  • Was: $561.99
    Sale: $400.99
    Qty:

    Description

    Dyno-Tuned for more Torque and Horsepower!
    Available in: Polished, Silver
    Fits: 2004-2006 Toyota 4 Runner 4.0L V6 F/I (All)

    Installation

    BRUTE FORCE intakes replace all of the factory components from the turbo inlet to the factory air box. This typically includes the stock airbox, stock inlet hose and stock breather hoses. In some cases AEM retains the factory breather hoses, as indicated in the instructions. AEM includes complete hardware and photo instructions for a trouble free installation.

    Toyota 4Runner AEM Brute Force Intake System - 21-8406 Fits:
  • 2004-2006 Toyota 4 Runner 4.0L V6 F/I (All)
  • Details

    Shipping Information

    • Item Requires Shipping
    • $24.99