K&N Air Filter

2008–2015 Scion xB (xB2)

33-2326

Overview:

The K&N Air Filter 33-2326 is a high-performance replacement air filter designed specifically for the 2008 to 2015 Scion xB (xB2). Engineered to enhance your vehicle’s horsepower and acceleration, this drop-in filter provides superior airflow while maintaining excellent filtration to protect your engine. Ideal for enthusiasts seeking improved throttle response and long-term durability, the K&N air filter is washable, reusable, and built to last the lifetime of your vehicle.

With a focus on maximizing engine performance without compromising reliability, this air filter is a direct fit replacement that works seamlessly with your Scion’s existing air intake system and electronics. It offers an economical upgrade that will not void your vehicle’s warranty, making it a smart choice for daily drivers and performance-minded owners alike.

Key Features:

Designed with advanced filtration technology and durable materials, the K&N Air Filter delivers a balance of airflow and engine protection. Key features include:

• Increases horsepower and acceleration by allowing higher airflow
• Washable and reusable design for long-term use
• Lasts up to 50,000 miles before cleaning is required, depending on driving conditions
• Will not void your vehicle’s warranty
• Emissions legal in all 50 US states
• Constructed with multiple layers of oiled cotton gauze for superior filtration
• Environmentally friendly and economical alternative to disposable filters
• Compatible with vehicle electronics and original airbox design
• Backed by K&N’s Million Mile Limited Warranty

Construction & Design:

The K&N Air Filter features a unique construction of four to six layers of premium cotton gauze, sandwiched between two epoxy-coated aluminum wire mesh screens. This pleated design maximizes surface area, allowing for increased airflow while maintaining effective filtration. The cotton media is specially oiled to create a tacky surface that traps dirt and contaminants without restricting air intake.

Handmade in the USA and the United Kingdom using only the finest materials, this filter is engineered to withstand the rigors of daily driving and high-performance applications. The durable construction ensures consistent performance over the life of your vehicle, making it a reliable upgrade for your Scion xB.

Performance & Sound

By improving airflow to the engine, the K&N Air Filter can enhance throttle response and provide a slight increase in horsepower, typically ranging from 1 to 4 horsepower depending on the vehicle and conditions. The filter’s design also supports smoother engine breathing, which can contribute to improved acceleration. While the filter itself does not significantly alter engine sound, it supports the overall performance enhancements associated with a high-flow intake system.

Installation & Fitment:

The K&N Air Filter 33-2326 is a direct replacement for the factory air filter in the 2008–2015 Scion xB (xB2). Installation is straightforward and requires no modifications or special tools. Simply remove the existing air filter and install the K&N filter in its place, ensuring a secure fit within the original airbox. This drop-in design maintains factory fitment and compatibility with all vehicle electronics.

What's Included:

• One K&N High-Flow Replacement Air Filter (Part #33-2326)
• Installation instructions

Ideal For:

This air filter is perfect for Scion xB owners who want to improve their vehicle’s performance and efficiency without compromising engine protection. It suits daily drivers, enthusiasts looking for a simple upgrade, and those who prefer an environmentally friendly, reusable air filter solution. The K&N Air Filter is also ideal for drivers seeking a cost-effective alternative to disposable filters that require frequent replacement.

Emissions Note

This K&N Air Filter is emissions legal in all 50 US states, ensuring compliance with environmental regulations and compatibility with your vehicle’s emissions control systems.

K&N is one of the most recognized names in performance filtration, offering reusable high-flow air filters, cold air intakes, and related filters for street and motorsports use. Their products are designed to improve airflow and serviceability—ideal for enthusiasts who want performance-oriented filtration and easy maintenance.