• aFe Silver Bullet Throttle Body Spacer | Subaru Outback 09-23 (46-30003)
  • aFe Silver Bullet Throttle Body Spacer | Subaru Outback 09-23 (46-30003)
  • aFe Silver Bullet Throttle Body Spacer | Subaru Outback 09-23 (46-30003)
  • aFe Silver Bullet Throttle Body Spacer | Subaru Outback 09-23 (46-30003)
  • aFe Silver Bullet Throttle Body Spacer | Subaru Outback 09-23 (46-30003)
  • aFe Silver Bullet Throttle Body Spacer | Subaru Outback 09-23 (46-30003)
1 6

aFe Silver Bullet Throttle Body Spacer | Subaru Outback 09-23 (46-30003)

aFe Silver Bullet Throttle Body Spacer | Subaru Outback 09-23 (46-30003)

46-30003

In stock

$130.82 USD
$139.00 USD $130.82 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The aFe Silver Bullet Throttle Body Spacer for the 2015-2019 Subaru Outback with a 2.5L H4 engine is an aftermarket performance component designed to enhance engine airflow and overall throttle response. Featuring a serrated and helix design, this spacer creates intentional air turbulence within the intake manifold, which increases air pressure in the combustion chamber. The result is a noticeable boost in horsepower and torque, along with improved throttle responsiveness. Constructed from lightweight yet durable 6061-T6 billet aluminum, the spacer is precision machined for a perfect fit and finished with a black anodized coating to ensure corrosion resistance and a sleek appearance. Its design also helps reduce intake whistle noise common with other helix-only designs, providing a more refined driving experience.

This throttle body spacer is a direct bolt-on upgrade suitable for 2015 through 2019 Subaru Outback models equipped with the 2.5L H4 engine. It is intended for use in street performance applications, offering increased engine efficiency and responsiveness without requiring extensive modifications. The kit includes the machined spacer and necessary hardware for installation, making it a straightforward upgrade for enthusiasts seeking better engine performance. Compatible with stock intake systems, this spacer is ideal for daily driving, spirited street use, or mild performance tuning. Proper installation ensures optimal turbulence and pressure gains, contributing to a more dynamic driving experience.

Overview

aFe Throttle Body Spacer

Fits 2015–2019 Subaru Outback with H4 2.5L engine

Part #: 46-30003

Overview

The aFe Silver Bullet Throttle Body Spacer is designed to enhance your Subaru Outback’s intake system by creating controlled air turbulence within the intake manifold. Crafted from high-quality 6061-T6 billet aluminum, this spacer is precision machined for a perfect fit, lightweight durability, and a sleek finish. It is ideal for enthusiasts seeking to improve throttle response, increase horsepower and torque, and achieve a more responsive driving experience. The unique serrated and helix design helps optimize airflow, supporting better combustion efficiency and engine performance without compromising reliability or durability.

Key Features

This throttle body spacer features a carefully engineered design that promotes turbulence to improve air mixing and pressure in the intake manifold. Its key features include:
  • Constructed from durable 6061-T6 billet aluminum for strength and lightweight performance
  • Precision machined for a perfect fit and seamless installation
  • Serrated and helix design reduces intake whistle and enhances airflow
  • Black anodized finish for corrosion resistance and aesthetic appeal
  • Supports increased throttle response and engine torque
  • Helps optimize combustion efficiency for improved overall performance

Construction & Design

Manufactured from high-grade 6061-T6 billet aluminum, this spacer is designed for durability and precision. The serrated and helix pattern is machined to create turbulence that enhances airflow and combustion efficiency, helping your engine perform at its best while maintaining a lightweight profile.

Driving Feel & Feedback

Installing this spacer can result in a more immediate throttle response and a noticeable increase in torque, contributing to a more engaging and responsive driving experience. It helps your vehicle deliver power more efficiently across various driving conditions.

Installation & Fitment

The Silver Bullet Throttle Body Spacer is designed for straightforward installation on compatible Subaru Outback models with a 2.5L H4 engine from 2015 to 2019. Precise machining ensures a secure fit, and no additional modifications are typically required.

What’s Included

The package includes the machined billet aluminum spacer with the serrated/helix design, ready for installation. Hardware or additional components are not typically necessary.

Ideal For

This product is perfect for Subaru Outback owners looking to enhance throttle response, increase engine efficiency, and add a subtle performance upgrade without extensive modifications. It is suitable for daily drivers and enthusiasts seeking improved driving dynamics.
View full details