K&N 06+ Civic Si Drop In Air Filter 2018-bmw-i3-esi1762038 We also took the liberty

We also took the liberty to replace the rubber in the stock kit with couplers constructed with 5 layers of durable silicone embedded with heat resistant fibers

Pro Series manifolds also incorporate an angled-runner design

and then redesigning the MAF housing to ensure an increased flow but also retain safe fuel trim perimeters and run check engine light free on the stock tune

1998-2003 Nissan Frontier 2

Includes all parts necessary for an easy bolt-in installation

K&N 06+ Civic Si Drop In Air Filter 2018-bmw-i3-esi1762038 We also took the libertyK&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