Skip to product information
1 of 8

aFe 2.5" Aluminum Hot Charge Pipe Red | Subaru WRX H4-2.4L (22-23) (46-20668-R)

aFe 2.5" Aluminum Hot Charge Pipe Red | Subaru WRX H4-2.4L (22-23) (46-20668-R)

SKU:46-20668-R

In stock

Regular price $295.53 USD
Regular price $314.00 USD Sale price $295.53 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The aFe BladeRunner 2-1/2 inch Aluminum Hot Charge Pipe is a high-performance upgrade designed to enhance the intake system of the 2022–2023 Subaru WRX with the H4 2.4L turbocharged engine. Constructed from mandrel-bent aluminum, this charge pipe ensures smooth airflow transitions that reduce turbulence and minimize pressure loss, resulting in increased horsepower and torque. The pipe is finished with a durable textured red powder coating for corrosion resistance and aesthetic appeal. Included in the kit are stainless-steel SmartSeal clamps and a heavy-duty, 5-ply polyester reinforced silicone coupling, providing a secure and leak-free connection. A factory-style billet aluminum quick-connect adapter with an O-ring seal further guarantees a tight, durable fit.

This charge pipe is specifically engineered for the 2022–2023 Subaru WRX models equipped with the 2.4L turbocharged flat-four engine. It serves as a direct replacement for the factory hot charge pipe, offering a bolt-on installation that requires no modifications. The kit includes all necessary clamps, couplings, and the quick-connect adapter for a complete upgrade. Ideal for street and performance driving, this charge pipe enhances throttle response and overall engine efficiency while maintaining OEM-level reliability and fitment.

Overview

aFe Aluminum Hot Charge Pipe

Fitment: 2022-2023 Subaru WRX H4-2.4L

Part #: 46-20668-R

Overview

The aFe BladeRunner 2-1/2 IN Aluminum Hot Charge Pipe is a high-quality upgrade designed to enhance the intake airflow system of your 2022-2023 Subaru WRX with the H4-2.4L engine. Crafted to replace the factory charge pipe, this component is intended for enthusiasts seeking improved throttle response and reduced pressure loss in their turbocharged setup. Its smooth mandrel-bent aluminum construction minimizes turbulence, helping to support increased horsepower and torque while maintaining durability and reliability under demanding conditions.

Finished in a textured red powder coating, this charge pipe not only delivers functional benefits but also adds a striking visual upgrade under the hood. It is ideal for Subaru WRX owners looking to optimize their vehicle’s performance and engine bay aesthetics with a durable, precision-engineered component.

Key Features

This charge pipe kit includes everything needed for a secure and efficient installation:

  • Mandrel-bent aluminum pipe designed for smooth airflow and minimal pressure loss
  • Heavy-duty, 5-ply polyester reinforced silicone coupling for reliable sealing and flexibility
  • High-quality stainless-steel SmartSeal clamps that ensure a tight, leak-free connection
  • Factory-style billet aluminum quick-connect adapter with an O-ring seal for superior strength and durability
  • Textured red powder coat finish for corrosion resistance and enhanced engine bay appearance

Construction & Design

The charge pipe is constructed from mandrel-bent aluminum, which provides a smooth internal surface to reduce airflow restrictions and turbulence. The use of a billet aluminum quick-connect adapter with an O-ring seal guarantees a secure, leak-free fit while maintaining structural integrity. The silicone coupling is reinforced with multiple layers of polyester to withstand heat and pressure, ensuring long-lasting performance.

Installation & Fitment

This charge pipe is designed specifically for the 2022-2023 Subaru WRX with the H4-2.4L engine. Installation involves replacing the factory hot charge pipe with this upgraded unit, using the included clamps and couplings for a secure fit. Fitment should be verified against your vehicle’s specifications and the part number to ensure compatibility.

View full details