GFB Accessories Mach 2 Atmosphere Conversion Kit for Subaru Impreza WRX STi GDGDB 2.0 WRX STi AWD (GDB) Sedan AWD 2001-11-2005-9

MACH 2 ATMOSPHERE UPGRADE KIT TO CONVERT T9103 & T9133 FROM RECIRCULATING TO ATMOSPHERE VENTING BOV.
CONSISTING OF TRUMPET, SPRING AND PLUG.
The spring used in these kits is harder, as the valve needs to remain closed at idle when venting to atmosphere, this prevents stalling and backfiring.

ADDITIONAL DESCRIPTION

Vehicle applications:

SUBARU IMPREZA 2001 2002 2003 2004 2005 WRX STi GD,GDB 2.0 WRX STi AWD (GDB) EJ207 2001 - 2005

Part Number: 5933