K&N Cold Air Intake Kit: High Performance, Increase Horsepower: Compatible with 2021 HYUNDAI Elantra, 69 5327TC

GUARANTEED INCREASE IN HORSEPOWER & TORQUE: K&N cold air intake systems provide a less restrictive path for airflow, increasing the volume of cool, oxygen-rich air into your engine an increase in horsepower and torque HEAR THE GROWL: K&N’s intake systems allow your engine to breathe and sound as it should- your engine will growl on acceleration and return to quiet once at speed BETTER TOWING: K&N’s cold air intake kit improves acceleration and uphill performance when towing by improving throttle response and overall horsepower and torque FEATURING K&N’s SIGNATURE, REUSABLE AIR FILTER: Combines 4 layers of pleated, breathable cotton with K&N’s red filter oil to absorb dirt and dust particles, allowing clean air to continue flowing into your engine, only needs cleaning every 100,000 miles