aFe Silver Bullet Throttle Body Spacer

2007–2012 Dodge Ram 1500 4.7L V8

Part #: 46-32009

Overview

The aFe Silver Bullet Throttle Body Spacer is a precision-engineered performance upgrade designed specifically for the 2007–2012 Dodge Ram 1500 equipped with the 4.7L V8 engine. This throttle body spacer enhances your truck’s throttle response and overall engine performance by optimizing airflow into the intake manifold. Ideal for enthusiasts seeking a reliable and effective way to boost power without extensive modifications, the Silver Bullet spacer improves combustion efficiency and delivers a noticeable improvement in drivability.

By creating controlled turbulence in the incoming air stream, this spacer promotes better fuel atomization and a more complete combustion cycle. This results in increased horsepower and torque, making it a practical upgrade for daily drivers and performance seekers alike.

Key Features

The Silver Bullet Throttle Body Spacer incorporates advanced design elements and high-quality materials to maximize performance gains and durability. Key features include:

• CNC-machined from durable 6061-T6 billet aluminum for strength and lightweight construction
• Unique serrated/helix entry design that creates intake air turbulence to improve combustion
• Reduces intake whistle noise commonly associated with helix-only designs
• Increases air velocity entering the engine, enhancing throttle response and power delivery
• Lengthens the intake tract to optimize airflow dynamics
• Precision fitment ensures compatibility with factory throttle body mounting locations
• Designed exclusively for models equipped with Electronic Throttle Control (ETC)

Construction & Design

The Silver Bullet Throttle Body Spacer is crafted from premium 6061-T6 billet aluminum, a material known for its excellent strength-to-weight ratio and corrosion resistance. Each spacer is CNC-machined to exacting tolerances, ensuring a perfect fit and finish that matches the quality standards expected by Dodge Ram owners.

The innovative serrated and helix entry design disrupts the airflow just before it enters the intake manifold, creating beneficial turbulence. This engineered airflow pattern breaks up fuel droplets more effectively, promoting a more complete and efficient combustion process. Additionally, the design minimizes the intake whistle noise that can occur with other spacer styles, providing a quieter and more refined driving experience.

Performance & Sound

By increasing the speed and turbulence of the intake air, the Silver Bullet Throttle Body Spacer enhances throttle response and helps unlock additional horsepower and torque from the 4.7L V8 engine. Drivers will notice a more immediate and crisp throttle feel, improving acceleration and overall engine responsiveness. The reduction in intake whistle also contributes to a cleaner engine sound, maintaining a factory-like acoustic profile while delivering performance benefits.

Installation & Fitment

Installation of the aFe Silver Bullet Throttle Body Spacer is straightforward and requires no modifications to your vehicle. It utilizes all factory mounting points, ensuring a secure and stable fit. The spacer is designed exclusively for Dodge Ram 1500 models from 2007 to 2012 equipped with the 4.7L V8 engine and Electronic Throttle Control (ETC). Models with a throttle cable require a different part number (46-32004).

Typical installation can be completed with basic hand tools in under an hour, making it an accessible upgrade for both professional installers and experienced DIY enthusiasts.

What's Included

• One aFe Silver Bullet Throttle Body Spacer (6061-T6 billet aluminum)
• All necessary mounting hardware for installation
• Installation instructions

Ideal For

This throttle body spacer is ideal for Dodge Ram 1500 owners looking to improve engine performance and throttle response without extensive engine modifications. It suits daily drivers, weekend warriors, and performance enthusiasts who want a reliable, bolt-on upgrade that enhances power delivery and driving enjoyment. It is also a great choice for those seeking to reduce intake noise while gaining performance benefits.

Emissions Note

This product is not currently CARB exempt and is not legal for sale or use in California or in any state that enforces California emissions regulations. Please verify local regulations before purchasing.

aFe POWER (Advanced FLOW Engineering) offers dyno-proven intake, filtration, and exhaust upgrades aimed at measurable performance gains. The brand’s lineup is geared toward enthusiasts looking for better airflow, improved sound, and durable materials—from cold air intakes to stainless exhaust systems for street and track applications.