The K&N 33-5068 is a reusable panel-style replacement filter for the right-side airbox of the 3.3L twin-turbo V6 in the Kia Stinger GT, covering 2018 through 2026 per the manufacturer. It uses layered, oiled cotton gauze in a flexible frame, and K&N says the design is meant to increase airflow while still trapping contaminants. It is a drop-in part for the factory airbox, so no housing modifications are needed, which makes it a practical choice for a 3.3TT Stinger owner who wants a washable, lifetime-rated filter in place of a disposable paper element.
The real case for this filter is durability and long-term cost rather than a proven power number. The manufacturer publishes no horsepower figure for this part, and owners on user forums report no noticeable difference in back-to-back acceleration runs, with some also noting little change in intake sound. Buyers who want measurable gains usually look at a full cold-air intake, which forum members generally describe as the bigger change. If you want a reusable, cleanable filter that stays in the stock airbox and carries K&N's lifetime limited warranty, this is the stronger value. Search terms that match this product include 2018-2026 Kia Stinger GT right side airbox filter, 3.3TT drop-in air filter, washable twin-turbo V6 panel filter, and reusable Stinger air filter replacement.
The manufacturer lists 33-5068 as the right-side airbox filter for the 3.3L twin-turbo V6. Owners on user forums identify 33-5067 as the left-side counterpart, so confirm which airbox you are replacing before ordering.
The manufacturer says the media is designed to increase horsepower and acceleration, but it does not publish a specific gain for this part. Owners on user forums report no noticeable difference in timed acceleration runs, so treat it as a reusable replacement rather than a power upgrade.
The manufacturer's guidance is about 75,000 miles under normal highway driving. Details vary across sources, so confirm the interval with the manufacturer based on your own driving conditions.
This is a filter swap rather than an intake conversion: the factory airbox stays in place. Remove the airbox lid, pull the stock filter, and wipe the sealing surfaces clean. Seat the K&N filter in the groove on the lid, then set the lid squarely on the base before fastening the clips. K&N's general installation guidance warns that its filters can need more clip pressure than a foam-sealed factory filter, so if the lid resists or the box begins to bend, stop and recheck the alignment rather than forcing it. If the lid is hard to maneuver, K&N suggests the intake tube can be disconnected from the lid. Plan to clean and re-oil the filter with K&N's filter care kit at each service interval.
