2019-2021 Subaru WRX STi 33 Series Panel Red Air Filter (9.063″ L x 8.406″ W x 1.563″ H) by K&N

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N’s No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N’s most popular product!

Features

• Filter Types: Direct Fit Filter
• Series: 33 Series
• Filter Shape: Panel
• Filter Style: Non-Flanged
• Filter Color: Red
• Filter Outside Width: 8.406″
• Filter Outside Length: 9.063″
• Filter Height: 1.563″
• Air Filter Material: Cotton Gauze
• Filter Re-Oiling Amount: 1.38 oz

Benefits

• Designed to boost horsepower and rate of acceleration
• Can be cleaned and used again
• High air flow with exceptional filtration
• Lasts up to 50,000 miles before cleaning is required depending on driving conditions
• Works with original equipment manufacturer vehicle electronics

Applications

• 2019-2021 Subaru WRX STi

What’s In The Box?

• 1 – Air Filter

References

• Air Filter Test Data

Warranty

• No-Hassle Lifetime Limited Warranty