Upgrade the airflow, throttle response, and performance potential of your Mazda MX-5 Miata with the Bull Boost Performance Polished Aluminum Intake Manifold, designed specifically for the B6 1.6L engine found in the NA6CE Roadster.
This redesigned intake manifold features a high-capacity plenum, extended runners, and optimized internal velocity trumpets to improve airflow throughout the engine’s operating range. It is suitable for naturally aspirated and turbocharged applications, including vehicles equipped with an automatic transmission.
The Bull Boost Performance intake manifold uses internally angled trumpets to optimize incoming airflow and distribute air evenly between all four cylinders. The oversized runners and high-capacity plenum help improve airflow velocity, engine response, and power delivery throughout the rev range.
On naturally aspirated applications, gains of approximately 4–10 horsepower may be possible when combined with supporting modifications such as performance camshafts, higher-flow fuel injectors, exhaust upgrades, and professional engine tuning. Actual results will vary depending on the vehicle setup and tune.
The fuel-rail mounting position is inverted, which may require the fuel line to be extended or rerouted. The use of an aftermarket fuel-pressure regulator is highly recommended.
MAF sensor wiring may also need to be extended or repositioned during installation. Professional installation and standalone ECU tuning are strongly recommended to achieve proper operation and the best possible performance.
Throttle body and fuel rail are not included.
Professional installation and tuning are recommended. Verify vehicle, engine, throttle-body, fuel-system, and accessory compatibility before ordering.