K&N High-Flow Air Filter 33-5092 for 2019-2021 Subaru WRX STI - Panel Replacement Filter

K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.

Key Features:

• 4 layers of premium cotton gauze treated with a specially-designed tacking agent
• Clean once every 75,000 miles under normal highway driving conditions
• Pre-oiled and ready to drop into your factory air box for easy installation
• Engineered to increase horsepower and acceleration
• Reduces waste compared to disposable filters
• Reusable K&N filter saves money over time
• Rugged construction for lifetime use
• No-Hassle Lifetime Limited Warranty

Specifications:
Air Filter Material: Cotton Gauze | Air Filter Shape: Panel | Filter Re-Oiling Amount: 1.38 oz (41 ml) | Frame Design: Flexible | Height: 1.031 in (26 mm) | Outside Length: 9 in (229 mm) | Outside Width: 8.406 in (214 mm) | Overall Filter Efficiency: Up To 99% Efficiency | Washable: Yes | Weight: 1.3 lb (0.6 kg)

WARNING: Cancer and Reproductive Harm