aFe Silver Bullet Throttle Body Spacer Kit, Part Number 46-30001, for Mazda MX-5 Miata ND 2.0L

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while el iminating the annoying whistle found in other helix only throttle spacers. Silver Bullet Throttle Body Spacer Kit Mazda MX-5 Miata (ND) 16-26 L4-2.0L

• Helps Air/Fuel Charge Burn Completely
• Durable 6061-T6 Billet Aluminum
• 2 Year Limited Warranty
• Serrated/Helix Design
• Creates Turbulence

The aFe Silver Bullet Throttle Body Spacer Kit is designed for the 2016–2026 Mazda MX-5 Miata with the 2.0L inline-four engine. Its serrated and helix entry profile promotes controlled turbulence in the incoming air stream near the throttle body and intake manifold. This airflow strategy helps improve air and fuel mixing, throttle response, and combustion efficiency while eliminating the pronounced whistle often associated with helix-only throttle body spacers.

Manufactured from durable 6061-T6 billet aluminum, the aFe Silver Bullet spacer is engineered for reliable service in demanding under-hood environments. The precision-machined construction supports consistent airflow and long-term durability. The kit is intended as a direct-fit intake upgrade for compatible Mazda MX-5 Miata ND applications and is backed by a 2-year limited warranty.

Fitment: Compatible with 2016, 2017, 2018, and 2019 Mazda MX-5 Miata models equipped with the 2.0L inline-four engine. The product listing also identifies coverage through the 2026 model year; verify engine configuration and application details before installation. This product is not CARB approved, and applicable emissions requirements should be reviewed before use in regulated areas.

What's Included: One aFe Silver Bullet throttle body spacer kit with installation components as supplied by the manufacturer.

Product Specifications and Technical Data: Brand: aFe; Part Number: 46-30001; Product Type: Throttle body spacer kit; Application: Mazda MX-5 Miata ND; Engine: 2.0L inline-four; Construction: 6061-T6 billet aluminum; Airflow Design: Serrated/helix entry; Warranty: 2-year limited warranty.

Features:

• Airflow Turbulence: Creates controlled turbulence near the intake manifold to support improved air and fuel mixing.
• Throttle Response: Helps promote sharper throttle response and more efficient intake charge movement.
• Combustion Efficiency: Supports a more complete air and fuel burn for improved engine operation.
• Billet Aluminum Construction: Made from durable 6061-T6 billet aluminum for dependable under-hood performance.

Fitments:
2016 Mazda MX-5 Miata Club
2016 Mazda MX-5 Miata Grand Touring
2016 Mazda MX-5 Miata Sport
2017 Mazda MX-5 Miata Club
2017 Mazda MX-5 Miata Grand Touring
2017 Mazda MX-5 Miata RF Club
2017 Mazda MX-5 Miata RF Grand Touring
2017 Mazda MX-5 Miata Sport
2018 Mazda MX-5 Miata Club
2018 Mazda MX-5 Miata Grand Touring
2018 Mazda MX-5 Miata RF Club
2018 Mazda MX-5 Miata RF Grand Touring
2018 Mazda MX-5 Miata Sport
2019 Mazda MX-5 Miata Club
2019 Mazda MX-5 Miata Grand Touring
2019 Mazda MX-5 Miata RF Club
2019 Mazda MX-5 Miata RF Grand Touring
2019 Mazda MX-5 Miata Sport
2020 Mazda MX-5 Miata 100th Anniversary Special Edition
2020 Mazda MX-5 Miata Club
2020 Mazda MX-5 Miata Grand Touring
2020 Mazda MX-5 Miata RF 100th Anniversary Special Edition
2020 Mazda MX-5 Miata RF Club
2020 Mazda MX-5 Miata RF Grand Touring
2020 Mazda MX-5 Miata Sport
2021 Mazda MX-5 Miata Club
2021 Mazda MX-5 Miata Grand Touring
2021 Mazda MX-5 Miata RF Club
2021 Mazda MX-5 Miata RF Grand Touring
2021 Mazda MX-5 Miata Sport
2022 Mazda MX-5 Miata Club
2022 Mazda MX-5 Miata Grand Touring
2022 Mazda MX-5 Miata RF Club
2022 Mazda MX-5 Miata RF Grand Touring
2022 Mazda MX-5 Miata Sport
2023 Mazda MX-5 Miata Club
2023 Mazda MX-5 Miata Grand Touring
2023 Mazda MX-5 Miata RF Club
2023 Mazda MX-5 Miata RF Grand Touring
2023 Mazda MX-5 Miata Sport
2024 Mazda MX-5 Miata Club
2024 Mazda MX-5 Miata Grand Touring
2024 Mazda MX-5 Miata RF Club
2024 Mazda MX-5 Miata RF Grand Touring
2024 Mazda MX-5 Miata Sport
2025 Mazda MX-5 Miata 35th Anniversary
2025 Mazda MX-5 Miata Club
2025 Mazda MX-5 Miata Grand Touring
2025 Mazda MX-5 Miata RF Club
2025 Mazda MX-5 Miata RF Grand Touring
2025 Mazda MX-5 Miata Sport
2026 Mazda MX-5 Miata Club
2026 Mazda MX-5 Miata Grand Touring
2026 Mazda MX-5 Miata RF Club
2026 Mazda MX-5 Miata RF Grand Touring
2026 Mazda MX-5 Miata Sport

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1