Throttle Body Spacer for Toyota Tundra (2011-2014) 4.0L

Precision CNC Throttle Body Spacer for 2011-2014 Toyota Tundra

Direct Intake Upgrade: Increases intake plenum volume and stabilizes charge-air velocity between the electronic throttle body and intake manifold for improved off-idle throttle response and low-end torque.

The Stock Tundra Airflow Disruption

The factory 4.0L intake tract encounters localized turbulence directly downstream of the throttle plate. Under partial-throttle transitions, abrupt geometric transitions into the intake manifold create shearing and boundary-layer separation. This fluid instability impedes intake velocity, introducing off-idle hesitation and diminished torque recovery during low-RPM towing or heavy-load acceleration cycles.

The Engineering Solution

CNC-machined from billet 6061-T6 aluminum, this hardware spacer lengthens the intake runner tract and incorporates an optimized bore profile to smooth incoming airflow. The extended runner geometry acts as a velocity transition zone, reducing pressure drop across the throttle plate and maintaining laminar flow directly into the intake plenum. Surface-treated with a hard anodized finish to resist heat soak, corrosion, and continuous engine bay thermal cycling, this bolt-on unit installs between the throttle body and intake without requiring ECU recalibration.

Technical Specifications

Compatibility

• 2011-2014 Toyota Tundra Base Regular Cab 4.0L V6
• 2011-2014 Toyota Tundra Base Double Cab 4.0L V6
• 2011-2013 Toyota Tundra SR5 Double Cab 4.0L V6

The Toyota Workhorse Standard

Engineered to handle severe duty cycles and continuous towing strain, this solid aluminum spacer delivers rugged mechanical reliability without triggering check engine lights or skewing factory mass airflow readings.