STILO AE0304 Rally Earmuffs with speakers with earplug connector ymm_69 Red Line's Racing ATF is

Red Line's Racing ATF is full-synthetic product designed for use in racing automatic transmissions which need the positive shift of a Type F automatic transmission fluid

This in turn creates higher inlet air temps (IAT’s) due to the turbo creating more heat as it is over stressed and worked harder

Turbine Exducer: 62 mm

SUBARU LEGACY B4 (BL5) 2003-

STILO AE0304 Rally Earmuffs with speakers with earplug connector ymm_69 Red Line's Racing ATF isThe rally type speaker system gives an alternative option to using ear plugs. Stilo have built their high performance speakers into the earcups with a connection plug on the end allowing them to be used with any Stilo ST4F or ST4W race helmet. Plugs straight into the earplug socket. Prohibited for some FIA international events.