K&N Replacement Air Filter for 19-21 STi (33-5092) Flex-A-Lite 1550-1580whp @ 40 PSI and

1550-1580whp @ 40 PSI and 1600whp+ above 40psi) PRO1900 1900+WHP PRO68 1900+WHP (Xona Based) PRO2100 2100+WHP (7275s) PRO2300 1900+WHP (7675s)

• Performance Stepped Pipe design utilizing 76MM and 60MM piping

Vibrant Heat Protect Sleeving is highly flexible and is engineered to protect hoses

Color: Part Number: Black NIS-035-Ti-BLK Blue NIS-035-Ti-BLU Gold NIS-035-Ti-GLD Polished NIS-035-Ti-POL Purple NIS-035-Ti-PRP True Burned NIS-035-Ti-TB Red (Discontinued) NIS-035-Ti-RED

What's the difference between Journal Bearing and Ball Bearing

K&N Replacement Air Filter for 19-21 STi (33-5092) Flex-A-Lite 1550-1580whp @ 40 PSI andK&N drop in factory style replacement panel air filter for the 2019 2021 STi. Designed to install easily into your stock air box and increase power. K&N filters are washable, reusable and engineered to last for the entire lifespan of your vehicle. Vehicle Fitment: 2019 2021 Subaru STi Includes: (1) Air Filter Replacement for these OEM Part Numbers: Subaru 16546AA180 33 5092 Specs: Air Filter Shape: Panel Filter Material: Cotton Gauze Washable: Yes