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Cobb Subaru Turbo Blanket – 15-21 WRX

Cobb Subaru Turbo Blanket – 15-21 WRX


The COBB turbo blanket insulates the turbine housing offering multiple benefits. It prevents the dissipation of useful exhaust energy improving turbo RPM acceleration. This leads to faster turbo spool and getting to peak torque more quickly. It also helps limit heat soak to neighboring parts of the turbocharger.

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The COBB Turbo Blanket is designed to limit the amount of heat that is transferred from your turbocharger to your engine bay as well as keeping hotter exhaust gases that exit the system faster through decreased density. By limiting the amount of transferred heat, you extend the life of your under hood components, decrease intake temps, and improve the response from your car. Constructed with a fragmentized fire retardant volcanic rock outer layer (Rated 1500°F Direct Heat / 1800°F Radiant Heat) and internally insulated with high temperature calcium magnesium silicate wool (Rated 1800°F Direct Heat / 2300°F Peak Heat).


Subaru Turbo Blanket WRX 2015-2021

  • Compatible with 2015+ WRX Stock or Stock Replacement Turbochargers
  • Improves turbo acceleration
  • Prevents components near turbocharger from heat soak


Additional Information

Weight .8 lbs
Dimensions 8.2 × 7.5 × 3.4 in


  • 2015-2021 WRX


Installation Guide

Install Guide