• Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL
  • Cobb [15 - 18 WRX] Top Mount Intercooler Silver - JDMuscleIntercoolerscobbB42405-SL

COBB Tuning

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Top Mount Intercooler - Silver

Fits: 15-21 WRX

$98500
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Pay over time available · Est. $30.78/payment
ⓘ

Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

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COBB Tuning Top Mount Intercooler - Silver
Fits: 15-21 WRX
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Other intercoolers for 15-21 WRX

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Fitment

Please Note: Official COBB application for B42405-SL: 2015–2021 Subaru WRX. The current manufacturer page confirms the 2015–2021 range; COBB Charge Pipe Kit is required for installation. CARB Executive Order D-660-69 applies when used according to the application guide.
  • 2015–2021 Subaru | WRX

Description

The COBB Top Mount Intercooler for the 2015–2021 Subaru WRX increases airflow and cooling efficiency while retaining quick transient response. Cast-aluminum end tanks, a large Garrett core, a heavy-duty mounting bracket, vibration-isolating bushing, reinforced couplers, and the COBB Thrust Tunnel create a high-flow installation that works with the required COBB Charge Pipe Kit.

  • Official application: 2015–2021 Subaru WRX
  • 15.75 × 9.65 × 3.94-inch Garrett core
  • Cast-aluminum end tanks
  • Heavy-duty passenger-side mounting bracket with vibration-isolating bushing
  • Reinforced black silicone couplers
  • Wrinkle-black aluminum COBB Thrust Tunnel
  • 31% airflow increase over the stock intercooler
  • COBB Charge Pipe Kit required for installation
  • Silver finish
  • CARB Executive Order D-660-69; legal for sale and use in all 50 states when used according to the application guide
  • Product code: B42405-SL
  • Official availability: ships in 24 hours

References: COBB Tuning product page · CARB EO D-660-69

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