Cobb Subaru EJ Stock Turbo Blanket

The COBB Subaru EJ Stock Turbo Blanket does not have enough exact application evidence to assign safe vehicle YMM. Match manufacturer part number 821655, complete vehicle, engine and transmission configuration, factory equipment, required calibration, emissions eligibility, interfaces, and every product note before ordering.

Key Features

• Stainless Steel Outer Shell: Withstands 1800F, provides rugged barrier against physical damage and abrasion.
• Easy-Fit Design: Wrap-around style with stainless steel wire ties and pull-tabs secures in minutes over stock turbo housing.
• 28 Layers of Volcanic Glass Fabric: Rated to 1200F continuous for effective heat containment without degradation.
• Reduces Underhood Temps: Cuts radiant heat by up to 70%, lowering A/C intake temps and protecting wiring, hoses, and fuel lines.
• Improves Airflow Efficiency: Keeps turbo housing cooler for consistent boost response and lower exhaust gas temperatures.
• Includes stainless ties compatible with all EJ stock housings torque to spec per COBB guide.

Fitment

Specifications

What’s Included

One new COBB product in the exact configuration and quantity identified by manufacturer part number 821655. Calibrations, hardware, hoses, clamps, gaskets, adapters, wiring, fluids, tools, and companion components are included only when expressly stated for this exact part number.

About COBB

COBB develops engine-management, intake, cooling, exhaust, drivetrain, suspension, and vehicle-accessory products for supported performance platforms. Correct selection remains exact-vehicle, exact-configuration, exact-interface, and exact-part-number specific.

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Browse the COBB collection for related tuning, intake, cooling, exhaust, drivetrain, and chassis products.

Frequently Asked Questions

Why is fitment verification required for this COBB product?
Exact vehicle application evidence is not complete enough for safe YMM. Confirm the vehicle, drivetrain, factory equipment, calibration, emissions eligibility, interfaces, and exact part number before ordering.

Are all supporting parts included?
Only components expressly listed for the exact manufacturer part number are included. Tuning, hardware, hoses, clamps, gaskets, adapters, wiring, fluids, and companion components may be separate.

Is tuning or calibration required after installation?
Requirements depend on the exact product and vehicle. Intake, fuel, boost, turbo, and engine-management changes may require a compatible calibration before operation.

Installation Instructions

Follow the current COBB and factory service instructions for this exact part number. Verify fitment, factory equipment, emissions eligibility, required calibration, software and firmware, interfaces, hardware, fluid or electrical connections, and clearances before installation. Inspect the completed work and confirm safe operation before full-load use.