K&N Filter Minder - Push In 2003-subaru-impreza-esi2000432 this system mutes the turbocharged

this system mutes the turbocharged soundtrack and creates restrictions

AEM's digital oil pressure gauges include a 0-5v analog output for use with data loggers and virtually any engine management system

x 10 ft Easy Loom 1 - 1/2 in

EFI applications use Aeromotive Regulator P/N 13113 (sold separately) Carbureted gasoline applications use Aeromotive Regulator P/N 13202 or 13212

HC4-SPR4 kit features a Sport pressure plate for a nice upgrade

K&N Filter Minder - Push In 2003-subaru-impreza-esi2000432 this system mutes the turbochargedA Filter Minder works as air filter service indicator that monitor air filter restriction and indicates when the air filter should be serviced. As the air filter gets dirty, the yellow position indicator moves in the clear window of the service indicator and locks at the highest point. It can be read even after the engine is turned off. The air filter should not be cleaned until the yellow position indicator reaches the red zone.