• COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)
  • COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)
  • COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)
  • COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)
  • COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)
  • COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)
  • COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)
  • COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)
  • COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)
  • COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)
  • COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)
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COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)

COBB Top Mount Intercooler Black w/ Charge Pipe Kit | Subaru WRX (15-21) (B42400-BK)

B42400-BK

In stock

$1,205.00 USD
$1,205.00 USD $1,205.00 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The COBB Top Mount Intercooler Black with Charge Pipe Kit is a high-performance upgrade designed specifically for the 2015 to 2021 Subaru WRX. This intercooler enhances airflow and significantly reduces charge air temperatures, which helps increase engine power and efficiency. Featuring cast aluminum end tanks and a premium Garrett core, it offers superior cooling performance compared to stock units. The intercooler core measures 15.75 inches, making it the largest available for the direct-injection turbocharged WRX. Its robust construction ensures durability and consistent performance under demanding conditions, making it an ideal choice for enthusiasts seeking reliable power gains without upgrading to a larger turbocharger.

This intercooler kit fits 2015–2021 Subaru WRX models equipped with the factory turbocharged engine. It is designed as a direct replacement for the stock top mount intercooler, providing a bolt-on installation process. The kit includes the intercooler and a charge pipe, ensuring compatibility and ease of installation. Suitable for street and light track use, this upgrade supports enhanced cooling for improved throttle response and sustained performance during spirited driving. It is an excellent option for daily drivers and enthusiasts looking to optimize their WRX’s charge air cooling without extensive modifications.

Overview

COBB Top Mount Intercooler Black w/ Charge Pipe Kit

Fitment: 2015-2021 Subaru WRX

Part #: B42400-BK

Overview

The COBB Top Mount Intercooler with Charge Pipe Kit is designed specifically for 2015 and newer Subaru WRX models. This upgrade focuses on improving airflow and reducing charge air temperatures, which supports enhanced engine performance and efficiency. Ideal for enthusiasts seeking better cooling without the complexity of upgrading to a larger turbocharger, this intercooler balances performance gains with practical installation.

Featuring cast aluminum end tanks paired with a high-quality Garrett core, this intercooler delivers superior heat dissipation and airflow management. The design targets drivers who want to optimize their vehicle’s charge air cooling system for more consistent power delivery and improved throttle response during spirited driving or track use.

Key Features

This intercooler kit offers a range of technical benefits that enhance your WRX’s performance and reliability:

  • Largest core size available for the direct-injection turbocharged WRX, measuring 15.75" x 7.5" x 3"
  • Cast aluminum end tanks engineered for durability and efficient charge air flow
  • High-quality Garrett intercooler core designed to maximize cooling capacity
  • Includes a matched charge pipe kit to optimize airflow and reduce pressure drop
  • Black finish provides a sleek, aggressive look under the hood
  • Designed to fit directly into the factory top mount location for straightforward installation

Construction & Design

The intercooler’s construction combines robust cast aluminum end tanks with a precision-engineered Garrett core, ensuring both strength and optimal thermal management. This design supports consistent charge air temperatures, which helps maintain engine performance during extended periods of high load. The black finish not only enhances corrosion resistance but also adds a refined aesthetic to your engine bay.

Installation & Fitment

Designed as a direct replacement for the factory intercooler, this kit fits the 2015-2021 WRX models without requiring modifications. The included charge pipe is engineered to work seamlessly with the intercooler, simplifying installation and ensuring proper airflow dynamics. Fitment should be verified against your vehicle’s specifications and the part number to ensure compatibility.

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