COBB Front Mount Intercooler Hot/Cold Pipe Kit
The COBB FMIC Hot/Cold Pipe Kit, part 746550-PIPING, is the mandrel-bent piping component of COBB’s Front Mount Intercooler Kit for the 2022 and up Subaru WRX, routing charge air to and from the intercooler core.
Key Features
- Mandrel-bent 2 inch and 2.5 inch aluminum piping for smooth airflow transitions
- Designed as the piping component of the full COBB Front Mount Intercooler Kit
- Routes compressed charge air between the turbo, intercooler core, and throttle body
- Reduces flow restriction compared to the factory top-mount intercooler piping
- Part 746550-PIPING is engineered specifically for the WRX VB chassis
- Pairs with the COBB FMIC Core &. Bumper Beam for a complete intercooler upgrade
- Piping kit 746550-PIPING uses silicone couplers at each transition point
Fitment
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2022+ | Subaru | WRX | FMIC Hot/Cold Pipe Kit |
Specifications
| Detail | Value |
|---|---|
| COBB Part Number | 746550-PIPING |
| Material | Mandrel-bent aluminum |
| Pipe Diameter | 2 inch and 2.5 inch sections |
| Fitment | 2022+ Subaru WRX (VB chassis) |
What’s Included
- Hot side and cold side intercooler piping
- Mounting hardware and couplers
About COBB Tuning
COBB Tuning has engineered performance electronics, intakes, exhausts and suspension components for turbocharged platforms since 2003, building its Accessport ECU flashing device alongside record-tested bolt-on hardware for Subaru, Ford, Honda, Toyota and more.
FAQ
What vehicles does this fit?
It fits the 2022 and up Subaru WRX (VB chassis).
Is this a complete intercooler kit?
No, this is the piping component only. It pairs with the COBB FMIC Core &. Bumper Beam.
What material is this piping made from?
It is mandrel-bent aluminum piping in 2 inch and 2.5 inch sections.
Do I need to remove the front bumper to install this?
Yes, front bumper removal is required for access.
Is this CARB legal?
The full COBB Front Mount Intercooler Kit for this application has a CARB Executive Order. Verify current status before ordering in California.
Will this fit a 2021 or earlier WRX?
No, it is designed for the 2022+ WRX VB chassis with the factory top-mount intercooler location.
Is a warranty included?
Yes, it is covered by COBB’s Component Limited Warranty against manufacturing defects.
Do I need a tune after installing this?
A larger front-mount intercooler can change intake air temperature. Consult COBB or a tuner for recalibration.
Installation Instructions
- Disconnect the battery and remove the front bumper cover for access
- Remove the factory top-mount intercooler and associated factory piping
- Install the COBB FMIC core and bumper support beam in the front bumper opening
- Route and secure the COBB 746550-PIPING hot and cold side piping between the turbo, core, and throttle body
- Tighten all couplers and clamps to the manufacturer’s specification
- Reinstall the front bumper cover and inspect for boost leaks after startup
Prop 65 Warning
WARNING: California residents can view COBB’s Proposition 65 warning notice on the product listing page for specific chemical exposure information.
