Description Directly from K&N Filters Website:
K&N’s Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16″ (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.
- Designed to increase horsepower and acceleration
- Hundreds of sizes and shapes for most applications
- High air flow with excellent filtration
- Clamp-on washable and reusable air filter
- Malleable flanges
- Not legal for highway use in states adopting California emission regulations
P&L Motorsports Application:
- 02-07 WRX/STI Turbo Kits with 4″ Intake option.
- 08+ WRX/STI Turbo Kits with 4″ Intake option.