Air and Fuel› Air and Fuel Cooling Systems and Components

COBB

Cobb 15-18 Subaru WRX Top Mount Intercooler Kit - Silver

$1,205.00

SKU: C005 B42400-SL

In Stock
In Stock
Ships by Aug 2
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: B42400-SL

MIA's Description

The COBB Top Mount Intercooler Kit (silver) for 2015-2021 Subaru WRX features a larger core than OEM, increasing airflow by 31% and improving cooling. It includes cast aluminum end tanks, a heavy-duty mounting bracket, a COBB Thrust Tunnel, a 6061 aluminum charge pipe with billet transition, and 5-ply silicone couplers. Compatible with factory and COBB LF bypass valves and retains clearance for aftermarket radiators. CARB EO number: D-660-67.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandCOBB
Part NumberC005 B42400-SL

Videos

COBB Tuning Top Mount Intercooler - 15+ WRX Install

COBB Tuning Top Mount Intercooler - 15+ WRX Install
COBB Tuning - Product Highlight - Subaru Top Mount Intercooler WRX 2015+

COBB Tuning - Product Highlight - Subaru Top Mount Intercooler WRX 2015+
Subaru WRX Cobb Intercooler & Charge Pipe Plus Grimmspeed Turbo Inlet & Boost Control Solenoid

Subaru WRX Cobb Intercooler & Charge Pipe Plus Grimmspeed Turbo Inlet & Boost Control Solenoid
Cobb TMIC 2015+ WRX Dyno Testing

Cobb TMIC 2015+ WRX Dyno Testing
Cobb Top Mount Intercooler Install 22+ WRX

Cobb Top Mount Intercooler Install 22+ WRX
COBB Tuning - Subaru Front Mount Intercoolers

COBB Tuning - Subaru Front Mount Intercoolers
2022 WRX Cobb Top Mount Install

2022 WRX Cobb Top Mount Install
COBB Intercooler Installation Step by Step Guide for Subaru WRX 2022 2023 - Stage 2 Upgrade Part 1

COBB Intercooler Installation Step by Step Guide for Subaru WRX 2022 2023 - Stage 2 Upgrade Part 1
Cobb TMIC Install | Rebuilding the WRX EP.4

Cobb TMIC Install | Rebuilding the WRX EP.4
Bob's WRX : COBB Tuning Front Mount Intercooler Installed

Bob's WRX : COBB Tuning Front Mount Intercooler Installed

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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