K&N 33-3031 High-Flow Washable Engine Air Filter for Audi RS5 RS4 4.2L V8 (Left Side Airbox) | Reusable Performance Panel Filter

PRODUCT DESCRIPTION :

Enhance the performance of your Audi RS4 or RS5 with the K&N 33-3031 High-Flow Replacement Air Filter. Designed specifically for the left-side airbox of selected Audi 4.2L V8 models, this premium washable and reusable panel filter delivers increased airflow, improved throttle response, and superior engine protection.

Featuring K&N’s advanced multi-layer oiled cotton gauze filtration technology, the 33-3031 captures harmful contaminants while allowing significantly more airflow than conventional disposable paper filters. The result is improved engine efficiency, enhanced acceleration, and long-term savings through a reusable lifetime design.

Pre-oiled and ready to install, this direct-fit replacement air filter fits seamlessly into the factory airbox without modifications. With up to 99% filtration efficiency and K&N’s No-Hassle Lifetime Limited Warranty, it is one of the most effective upgrades available for Audi enthusiasts seeking performance and reliability.

Vehicle Compatibility :

• Audi RS5 4.2L V8 (2010-2015) – Left Side Airbox
• Audi RS4 4.2L V8 (2012-2015) – Left Side Airbox
• Audi A4 4.2L V8 (2013) – Left Side Airbox
• Audi A5 4.2L V8 (2013) – Left Side Airbox

Key Benefits :

• Increased horsepower and acceleration
• Enhanced airflow and throttle response
• Washable and reusable lifetime filter
• Up to 99% filtration efficiency
• Direct OEM replacement design
• Pre-oiled and ready for installation
• Premium cotton gauze filter media
• Reduces maintenance and replacement costs
• Backed by K&N Lifetime Limited Warranty
• Eco-friendly reusable construction

PRODUCT FEATURES :

• Brand: K&N Filters
• Part Number: 33-3031
• Product Type: High-Flow Replacement Panel Air Filter
• Air Filter Shape: Panel
• Filter Material: Premium Cotton Gauze
• Washable: Yes
• Reusable: Yes
• Filtration Efficiency: Up To 99%
• Airbox Position: Left Side Airbox
• Height: 1.5 in (38 mm)
• Length: 8.375 in (213 mm)
• Width: 6.375 in (162 mm)
• Direct OEM Replacement
• Improves Airflow and Engine Performance
• Pre-Oiled for Easy Installation
• Lifetime Serviceable Design
• No Modifications Required
• Package Quantity: 1 Air Filter