GrimmSpeed Dry-Con Performance Panel Air Filter Subaru Models (inc. Forester 2004 - 2008)

WHY CHOOSE GRIMMSPEED?

Filter design is a delicate balancing act, the overall goal of creating a good air filter is to find the ideal combination of flow, filtration efficiency and holding capacity. There IS a difference between simply making a unit that fits in a factory intake box and engineering a performance air filter.

Some air filters are constructed with a cotton or synthetic media combined with an oil to increase filtering ability. This can increase flow, however it also means more difficult filter maintenance because of the need to properly re-oil the filter. We decided to use a dry-construction media, utilizing two different layers of synthetic material with varied filtering and flow abilities, resulting in very similar flow capability to the oiled media while maintaining the same filtering efficiency. Since other important variables in air filter design including the pleat pitch, count and depth can make or break the performance of a filter, extensive testing was required.

CONCLUSION
The GrimmSpeed Dry-Con Air Filter flows an amazing 62% better than OEM, features a 99.2% efficiency and is easy to service without the added hassle of proper re-oiling. Through testing, we saw an increase of 9 ft/lbs of torque and 6 whp at the top end of the RPM range with no engine tuning involved.

FITMENTS:

• 19-20 STI (060089)
• 08-20 WRX, 08-18 STI, 09-13 Forester, 13-17 Xtrek, 05-17 Legacy/Outback* (060091)
• 93-07 WRX/STI, 04-08 Forester XT, 90-04 Legacy/Outback* (060092)
• 17-20 BRZ/86 Manual trans and metal IM only (060093)
• 12-20 BRZ/FRS/86 Auto trans and plastic IM for 17-19 (060094)

*May not fit all trim models within year range