COBB EJ Turbo Blanket Black Lava (821660) | Subaru WRX 2002-2014 / STI 2004-2021
Description
Description
The COBB EJ Turbo Blanket Black Lava offers enhanced thermal insulation for EJ-powered Subaru WRX and STI models by utilizing a premium Black Lava material designed for extreme temperature environments. This upgraded blanket helps the turbocharger retain heat energy for improved spool while significantly reducing radiant temperatures within the engine bay.
KEY FEATURES
- Premium Black Lava outer layer provides increased thermal resistance compared to standard materials
- Improves turbocharger efficiency by retaining heat within the turbine housing
- Reduces radiant heat in the engine bay, protecting hoses, sensors, and surrounding components
- Helps stabilize intake and intercooler temperatures to support consistent performance
- Direct-fit design for EJ-series turbo applications
- Ideal upgrade for stock, tuned, or aftermarket turbo setups
TECHNICAL SPECIFICATIONS
- High-temperature Black Lava fabric engineered for extreme heat durability
- Multi-layer internal insulation retains exhaust heat for more effective turbo operation
- Stainless steel anchoring springs maintain secure fitment under heavy vibration
- Shaped to conform to EJ-platform turbo housings for optimal coverage
- Designed to reduce heat soak affecting intercoolers, intake piping, and surrounding components
VEHICLE FITMENT
- Subaru WRX 2002–2014
- Subaru STI 2004–2021
COBB delivers proven, data-driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.



