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K&N Go Kart Airbox & Specialty High Flow Air Filters
- Many applications available depending on angle, offset, or diameter of intake
- Flanges can be stretched up to 1/16" (1.5mm) to fit in-between sizes
- Available in round, tapered and oval designs
- K&N Drycharger® available for extended service intervals
- K&N One Year Limited Warranty
Many sanctioning Go Kart organizations now require airbox/silencers due to noise restrictions. K&N's Go Kart airbox/silencer accommodates its legendary washable & reusable high flow air filter. Approved by the finest kart racing organizations, the K&N Go Kart airbox allows for use of a 2-1/2 inch inside diameter straight or 20° angled flange K&N high flow air filter.
K&N Airbox & Specialty Air Filters for the Go Kart
K&N Go Kart air filters are designed and manufactured for a wide variety of applications and horsepower requirements. Regardless of the mounting angle or offset diameter of the air intake, there is a K&N high flow air filter for your Go Kart. All K&N specialty air filters are constructed with ultra-strong molded and pliable rubber flanges, which absorb vibration and allow for secure attachment.
| Description | K&N Part# |
| K&N Kart Airbox w/ 23mm I.D. Restrictors | RK-1000 |
| High Flow Air Filter; Straight Flange | RU-5005 |
| High Flow Air Filter; 20° Flange | RU-5006 |
| K&N Airbox Restrictors; 29 mm I.D. | 85-2000 |
| K&N Airbox Restrictors; 23 mm I.D. | 85-2001 |
| The K&N Go Kart Airbox is designed to be mounted directly onto the carburetor. | |
SnowCharger® Filter Wraps
The prefilter answer to all the snow that wants to pack down into the pleats of your snowmobile air filter. SnowChargers are silicone treated polyester wraps that repel snow and water. Melting snow just beads off instead of soaking the filters.
- SnowChargers will stop small dirt particles, yet add little restriction to the airflow of your filter.
- Deflects grass, twigs, rocks and dust you encounter when grass track racing or crossing snowless trails.
- The SnowCharger is designed to be run dry and can be easily cleaned with K&N Filter Cleaner.
2-7/16" Flange Mount - Go Kart Air Filter & Wraps
| Mounting Flange Diameter/Length | Air Filter | PreCharger® |
| Centered, round 3 1/2"D x 4" | RU-0800 | RU-0500PK |
| Centered, round 3 1/2"D x 6" | RU-0820 | RU-0520PK |
| 20° angle, round 3 3/4"D x 4" | RU-1750 | 22-8011PK |
| 20° angle, round 3 3/4"D x 6" | RU-1770 | RU-1470PK |
| Centered, round 4 1/2"D x 4" | RU-0830 | 22-8012PK |
| Centered, tapered 4 1/2"D x 5" | RU-0840 | 22-8013PK |
| Offset, tapered 5 1/2-4 1/2"D (top) x 4" | R-1380 | - |
| 20° angle, oval 4 1/2"-3 3/4"D x 7" | RU-1390 | RU-1240PK |
1-11/16" Flange Mount - Go Kart Air Filter & Wraps
| Mounting Flange Diameter/Length | Air Filter | PreCharger® |
| Centered, round 3"D x 4" | RU-0200 | 22-8009PK |
| Centered, round 4"D x 2" | RU-0260 | - |
2-1/16" Flange Mount - Go Kart Air Filter & Wraps
| Mounting Flange Diameter/Length | Air Filter | PreCharger® |
| Centered, round 3 1/2"D x 4" | RU-0500 | RU-0500PK |
| Centered, round 3 1/2"D x 6" | - | RU-0520PK |
| Centered, tapered 3 1/2"-2"D x 4" | RC-1200 | RC-1200PK |
2-3/4" Flange Mount - Go Kart Air Filter & Wraps
| Mounting Flange Diameter/Length | Air Filter | PreCharger® |
| 10° angle, round 4"D x 5" | RU-1460 | RU-1460PK |
| Centered, round 4 1/2"D x 4" | RU-0900 | 22-8012PK |
| Centered, oval 6 1/4"-4"D x 5" | RU-1500 | - |
K&N Honda GX-160 Kart Engine Air Filter
| Description | Air Filter |
| Replaces Honda OE part #17210-ZEI-822 | HA-0201 |
K&N Airbox Adaptor
| Description | Air Filter |
| K&N Airbox Adaptor; Fits Spec plenum airbox | 85-8851 |
| High-Flow Air Filter; Stainless Steel Top | RC-5004 |
| High-Flow Air Filter; Rubber Top | RU-5004 |
The K&N Airbox Adaptor allows you to use the standard "spec" plenum airbox silencer with either "one, two or three" velocity tubes.
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These filters are legal ONLY for racing vehicles. Not applicable, nor intended for use on emission-controlled street or highway vehicles.
These filters are not applicable, nor intended for use on aircraft.
K&N Go Kart PreChargers®
- Features double stitched elastic openings to help keep the air filter wrap securely in place
- Custom fit to each application
- K&N DryChargers are the same as a Pre-Charger except DryChargers are water repellent
The K&N PreCharger is a specially designed filter wrap made to extend the service interval of your K&N Air Filter when used in severe conditions. Made from durable polyester material containing uniform micron openings, the PreCharger will stop small dirt particles, yet adds little restriction to the airflow of your filter. When being used in wet conditions, consider a K&N DryCharger. The PreCharger is designed to be run dry and can be cleaned with K&N Filter Cleaner. Elastic binders ensure that the PreCharger will stay in place. Check out our Filter Wrap page for filter applications.
