An Induction kit by Pipercross replaces the restrictive O.E airbox with a hi-flow, increased air capacity induction system that improves horsepower. All Pipercross Induction kits are developed and tested purely to strengthen performance via airflow. The first step in engine tuning is with an induction kit. If you have any questions related to Fiat 500 Pipercross Induction Kits just ask!