Perrin [04-07 STI, 02-07 WRX] Radiator Shroud - Neon Yellow | PSP-ENG-501NY Automotive Gauge While slight gains can be

While slight gains can be seen by pointing the velocity stack into oncoming air without the filter

delivering optimal performance on or off the track

Compatible With Honda S2000 (AP1/AP2) 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009

Built for both durability and practicality

Direct replacement for your factory control arm

Perrin [04-07 STI, 02-07 WRX] Radiator Shroud - Neon Yellow | PSP-ENG-501NY Automotive Gauge While slight gains can beThis shroud has been designed to improve the overall cooling efficiency by channeling the incoming airflow to make direct contact with the face of the radiator. Typically under driving conditions, the air would hit the face of the radiator and then get deflected in all other directions. The shroud prevents the air from getting deflected into the engine bay forcing more air to stay in contact with the radiator. Additionally, other benefits include