• COBB Top Mount Intercooler Black | Subaru WRX (15-21) (B42405-BK)
  • COBB Top Mount Intercooler Black | Subaru WRX (15-21) (B42405-BK)
  • COBB Top Mount Intercooler Black | Subaru WRX (15-21) (B42405-BK)
  • COBB Top Mount Intercooler Black | Subaru WRX (15-21) (B42405-BK)
  • COBB Top Mount Intercooler Black | Subaru WRX (15-21) (B42405-BK)
  • COBB Top Mount Intercooler Black | Subaru WRX (15-21) (B42405-BK)
  • COBB Top Mount Intercooler Black | Subaru WRX (15-21) (B42405-BK)
  • COBB Top Mount Intercooler Black | Subaru WRX (15-21) (B42405-BK)
  • COBB Top Mount Intercooler Black | Subaru WRX (15-21) (B42405-BK)
  • COBB Top Mount Intercooler Black | Subaru WRX (15-21) (B42405-BK)
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COBB Top Mount Intercooler Black | Subaru WRX (15-21) (B42405-BK)

COBB Top Mount Intercooler Black | Subaru WRX (15-21) (B42405-BK)

B42405-BK

In stock

$985.00 USD
$985.00 USD $985.00 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The COBB Top Mount Intercooler Black is a high-performance upgrade designed specifically for the 2015–2021 Subaru WRX. This intercooler enhances airflow and significantly reduces charge air temperatures, contributing to increased engine power and efficiency. Featuring cast aluminum end tanks and a premium Garrett core, it delivers superior cooling performance compared to the factory unit. The core measures 15.75 inches by 9.65 inches by 3.9 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 the complexity of supporting a larger turbocharger.

This intercooler is engineered as a direct replacement for the top mount intercooler on 2015 to 2021 Subaru WRX models equipped with the VA chassis. Installation is straightforward, maintaining factory fitment and mounting points for a bolt-on upgrade. It is well-suited for street and light track use where improved cooling and airflow are desired without extensive modifications. The kit includes the intercooler assembly with cast aluminum end tanks and Garrett core, designed to integrate seamlessly with existing intake and charge piping. This product is ideal for drivers looking to enhance performance while preserving daily drivability and reliability.

Overview

COBB Top Mount Intercooler

Fitment: 2015-2021 Subaru WRX

Part #: B42405-BK

Overview

The COBB Top Mount Intercooler is a high-performance upgrade designed specifically for the 2015-2021 Subaru WRX. This intercooler is engineered to improve airflow and reduce charge air temperatures, which can support enhanced engine performance and efficiency. Ideal for WRX owners seeking better cooling without the need for a larger turbocharger, it offers a balance of increased power potential and reliable operation.

Featuring a large Garrett core paired with cast aluminum end tanks, this intercooler delivers superior heat dissipation and airflow management. It is well-suited for enthusiasts who want to optimize their vehicle’s forced induction system while maintaining a compact, top-mount design that fits seamlessly into the factory location.

Key Features

This intercooler combines advanced materials and design to provide effective cooling and durability. Key features include:

  • Largest core size available for the direct-injection turbo WRX (15.75" x 9.65" x 3.9") for maximum cooling capacity
  • Cast aluminum end tanks for strength and efficient airflow direction
  • High-quality Garrett core engineered for superior heat exchange and airflow
  • Black finish for a sleek, understated appearance under the hood
  • Designed to fit directly into the factory top mount location for straightforward installation

Installation & Fitment

The COBB Top Mount Intercooler is designed as a direct replacement for the factory intercooler on 2015-2021 Subaru WRX models. Installation typically involves removing the stock intercooler and swapping in the COBB unit without the need for extensive modifications. Fitment should be verified against your specific vehicle details and part number to ensure compatibility.

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