• Cold Air Intake for Toyota Tacoma (1999-2004) 3.4L V6 Engine
  • Cold Air Intake for Toyota Tacoma (1999-2004) 3.4L V6 Engine
  • Cold Air Intake for Toyota Tacoma (1999-2004) 3.4L V6 Engine
  • Cold Air Intake for Toyota Tacoma (1999-2004) 3.4L V6 Engine
  • Cold Air Intake for Toyota Tacoma (1999-2004) 3.4L V6 Engine Default Title
  • Cold Air Intake for Toyota Tacoma (1999-2004) 3.4L V6 Engine

Cold Air Intake for Toyota Tacoma (1999-2004) 3.4L V6 Engine

$149.95
$149.95 $189.95
Free Shipping within USA.
  • Guaranteed Fitment
  • Performance Tested
  • Lifetime Warranty

Want it soon? Order within

I18n Error: Missing interpolation value "end_date" for "Ends on {{ end_date }}"
Up to 21% off

Toyota Tacoma (3.4L V6) Power-Enhanced Cold Air Induction

Maximize the output of your Tacoma's legendary 3.4L V6 engine with this high-velocity air induction system, specifically engineered for the 1999–2004 platform. By replacing the restrictive factory air box with a streamlined intake path and an integrated heat barrier, this kit allows your engine to draw in a larger volume of oxygen-rich air while effectively blocking engine bay heat. The result is a more energetic combustion cycle, providing crisper throttle sensitivity and more fluid acceleration whether you are navigating technical trails or cruising the highway.

This system provides a substantial mechanical upgrade that modernizes your engine bay. By maximizing intake volume and maintaining lower air temperatures, this kit enhances horsepower and torque, giving your Toyota the extra surge needed for towing, hauling, and off-road maneuvers. Beyond the mechanical gains, it grants your V6 a deeper, more authoritative growl under load, perfectly matching the rugged and capable character of the first-generation Tacoma.

Key Features

  • Integrated Heat Barrier: Specifically designed to isolate the air filter from radiant engine heat, ensuring a consistent supply of dense, cool air.
  • Optimized Power Output: Enhances combustion efficiency to provide a noticeable boost in both horsepower and torque across the RPM range.
  • Immediate Throttle Response: Reduces intake lag and air turbulence to ensure power is delivered the moment you step on the gas.
  • High-Flow Filtration: Includes a premium reusable filter that offers engine protection while allowing for maximum air volume.
  • Direct Bolt-On Design: Engineered to fit perfectly within the Tacoma engine bay using existing mounting points for a straightforward installation with no tuning required.

Vehicle Fitment

1999–2004 Toyota Tacoma (3.4L V6 Engine)

Fits all trim levels equipped with the 3.4L V6 gasoline engine for the model years listed.

Product Specifications

  • Engine Application: 3.4L V6
  • System Type: Air Induction with Heat Shield
  • Shield Finish: Heat-resistant coating for durability
  • Installation: Bolt-on design utilizing basic hand tools
  • Maintenance: Washable and reusable performance air filter
  • Design: Streamlined ducting to eliminate factory air-flow restrictions

What's Included

  • High-flow intake induction pipe
  • Heavy-duty thermal heat shield
  • Premium washable performance air filter
  • Reinforced silicone couplers
  • Stainless steel clamps and all necessary mounting hardware

Installation Tip:

Disconnect the NEGATIVE GROUND CABLE from the battery before starting the installation. This allows the engine's computer to reset and calibrate for the increased airflow and cooler intake temperatures. Always ensure the engine is completely cool before beginning work.

Engine Safety Rating
Difficulty 

Fitment

Make

Toyota

Engine Size
  • 3.4L

Year
  • 1999
  • 2000
  • 2001
  • 2002
  • 2003
  • 2004

Installation & Tools

The Wrench Time

  • Estimated Time: 60-90 Minutes
  • Difficulty: 3/10 - [Straightforward bolt-on, but requires patience with vacuum lines.]

Tools You Will Need

  • 10mm Socket & Ratchet (Battery and most mounting hardware)
  • 12mm Socket (Stock airbox mounting bolts)
  • 6-inch Extension (To reach the lower airbox bolts)
  • Phillips Head Screwdriver (#2) (MAF sensor removal)
  • Flathead Screwdriver (Hose clamps)
  • Needle Nose Pliers (Factory spring clamps on vacuum lines)
  • Sensor Safe MAF Cleaner (Optional but highly recommended)
Mechanic’s Pro Tip (The "Gotcha"):
On the 5VZ-FE engine, the Mass Air Flow (MAF) sensor screws are notorious for stripping out because they seize in the plastic. Use a high-quality screwdriver and apply firm downward pressure. Also, ensure the rubber O-ring on the MAF sensor is perfect when transferring it. If it gets pinched or cracks, you will throw a P0171 (System Too Lean) code immediately.

Phase 1: Removing the Factory Airbox

  1. Disconnect the Battery: Start by disconnecting the negative battery terminal using a 10mm wrench or socket. This is critical on the 1999-2004 Toyota Tacoma 3.4L to reset the ECU fuel trims.
  2. Disconnect the MAF Sensor: Locate the MAF sensor on the intake tube near the air filter box. Unclip the electrical harness. Use a Phillips screwdriver to remove the two screws holding the sensor in. Gently pull the sensor out and set it in a safe, clean place. Do not touch the bulb/wires!
  3. Remove Vacuum Lines: Using pliers, pinch the spring clamps on the vacuum hoses connected to the intake resonator and air tube (PCV and Fuel Pressure Regulator lines). Slide the clamps back and twist the hoses off gently to avoid cracking the aged rubber.
  4. Remove the Intake Tube: Loosen the hose clamp at the throttle body using a 10mm socket or flathead screwdriver. Remove the bolts securing the intake resonator to the engine block (usually 10mm or 12mm). Pull the tube free from the throttle body.
  5. Pull the Airbox: Remove the three bolts securing the lower airbox to the inner fender using a 12mm socket with an extension. Lift the entire box assembly out of the truck. Note: You may need to tug firmly to disengage the snorkel from the fender wall.

Phase 2: Installing the Cold Air Intake for Toyota Tacoma (1999-2004) 3.4L V6

  1. Prepare the Housing: Install the provided edge trim onto the new heat shield or airbox. Secure the heat shield to the factory mounting points using the supplied hardware and a 10mm socket.
  2. Transfer the MAF Sensor: Install the factory MAF sensor into the new intake tube using the supplied screws. Do not use the old factory screws if new ones are provided, as the thread pitch may differ. Hand-tighten only—do not crack the plastic flange.
  3. Install Couplers: Place the silicone reducer coupler onto the throttle body and secure it with a hose clamp using a flathead screwdriver. Insert the new intake tube into the throttle body coupler, but do not fully tighten yet.
  4. Connect Vacuum Lines: Reconnect the PCV and vacuum lines to the nipples on the new intake tube. If the kit includes new vacuum hose, cut to length and install. Ensure there are no kinks in the lines.
  5. Finalize and Tighten: Install the cone filter onto the end of the tube inside the heat shield. align the tube so it does not rub against the brake master cylinder or radiator lines. Tighten all hose clamps firmly. Reconnect the MAF electrical harness.
  6. The Re-Learn: Reconnect the negative battery terminal with your 10mm wrench. Start the engine. Do not touch the gas pedal for 60 seconds. Let the 5VZ-FE idle so the ECU can calibrate to the increased airflow without triggering a check engine light.

Disclaimer: This is a general guide provided for the 1999-2004 Toyota Tacoma 3.4L V6. Always refer to your factory service manual for exact torque specifications and safety procedures.

Warranty

All products are backed by our Limited Lifetime Warranty. We stand by our quality. [See terms]
Cold Air Intake for Toyota Tacoma (1999-2004) 3.4L V6 Engine

$149.95