| Summit Racing | KLN-HK5 | 449.95 | 1 | In Stock | | Kleinn Air Horns | | 449.95 @ 1 |
| JC Whitney | KLEHK5 | 449.95 | 1 | In Stock | | Kleinn Horns | | 449.95 @ 1 |
| Auto Parts Warehouse | KLEHK5 | 449.95 | 1 | In Stock | | Kleinn Horns | | 449.95 @ 1 |
 | truckandgear.com | HK5 | 544.45 | 1 | In Stock | | Kleinn Automotive Air Horns | | 544.45 @ 1 |
 | primebuy.com | HK5 | 545.0 | 1 | In Stock | | Kleinn Air Horns | | 545.0 @ 1 |
 | xtremediesel.com | KLHK5 | 549.95 | 1 | In Stock | | Kleinn HK5 Black Dual Train Horn Kit | 23.0 | 549.95 @ 1 |
 | Zoro | G3430031 | 549.95 | 1 | In Stock | 7 | Kleinn Air Horns | | 549.95 @ 1 |
| Jegs | 623-HK5 | 549.95 | 1 | In Stock | | Kleinn Automotive Accessories | | 549.95 @ 1 |
 | tweetys.com | N71-3349 | 557.69 | 1 | In Stock | | Kleinn | | 557.69 @ 1 |
