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These changes optimize the airflow into the supercharger
Measuring 28” long x 9
* Does not fit Type RA models
As a testament to our commitment to quality
GrimmSpeed 1.3 Bar Radiator Cap - Subaru Universal PDM_interior These changes optimize the airflowGrimmSpeed 1. 3 Bar Radiator Cap Features: Raises system pressure to 1. 3 Bar for improved cooling efficiency Helps prevent coolant overflow during track or spirited driving Ideal for use with distilled water or water antifreeze blends Increases boiling point to maintain stable engine temps Direct replacement for factory 1. 1 Bar radiator cap Durable construction with upgraded materials Affordable performance upgrade Adds a clean, functional touch to