K&N Replacement Air Filter 10-13 Audi A8 Quattro 4.2L V8 (2 required) 'Exhaust' adding nearly 7 decibels to

adding nearly 7 decibels to the TRX's roar

restrictive factory mufflers also has a pleasing effect on the engine note

Simple peel & stick installation

Available in 5 pre-designed color combinations

This exhaust focuses on enjoying the trails and delivering a balanced tone

K&N Replacement Air Filter 10-13 Audi A8 Quattro 4.2L V8 (2 required) 'Exhaust' adding nearly 7 decibels toK&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 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your