Ultimate Racing by HRC
UR0551-1
Air Filter - 1/8 - ULTIMATE .12/.21 ON-ROAD - with silencer and foam
The Ultimate .12/.21 on-road air filter system with silencer and foam is designed for RC on-road engines, providing efficient filtration and excellent noise reduction without loss of power or performance.
The protector or silencer is EFRA / IFMAR approved (INS202601), making it suitable for competitive racing. Its design optimizes airflow to the carburetor while keeping the engine protected from dust and debris.
With a total weight of only 19 g, it is a lightweight and efficient air filter, ideal for competition use. Features the Ultimate logo on the cover, giving a high-quality, professional finish.
Filter oil not included.
Main Features
Complete air filter for RC on-road
Compatible with .12 and .21 engines
Includes protector and foam element
EFRA / IFMAR approved â?? INS202601
Reduces noise without power loss
Optimized airflow
Total weight: 19 g
Ultimate logo on the cover
Package Contents
Upper and lower plastic cups
Rubber base with foam element
Instruction sheet
4 countersunk screws 2.5 x 10 mm
| UR1108 | Fuel / Bottles / Tubes |
| Fuel tube silicone - 1m x 2.5mm x 6mm - clear | |
| UR1108-M | Fuel / Bottles / Tubes |
| Fuel tube silicone - 25m x 2.5mm x 6mm - clear | |
| UR0700-24M | Oils / Greases |
| Silicone Shock Oil - Oils Bag include 24x75ml Oils | |
| UR3401-MR3X | Nitro Engines |
| Internal combustion engine nitro class 21, 3.49 cm³ - ULTIMATE MXR v3 Ceramic TEAM Edition with Airmax filter | |
| UR3401-MR3C2 | Nitro Engines |
| Internal combustion engine-Nitro Engine - Class 21 3.49 ccm - ULTIMATE MXR v3 Ceramic with Airmax Filter + 2142 SUPERSONIC PIPE COMBO | |
| UR3401-MR3C1 | Nitro Engines |
| Internal combustion engine-Nitro Engine - Class 21 3.49 ccm - ULTIMATE MXR v3 Ceramic with Airmax Filter + 2141 SUPERSONIC PIPE COMBO | |
| UR3401-MR3 | Nitro Engines |
| Internal combustion engine-Nitro Engine - Class 21 3.49 ccm - ULTIMATE MXR v3 Ceramic with Airmax Filter | |
| UR0551-1 | Nitro Engines - accessories |
| Air Filter - 1/8 - ULTIMATE .12/.21 ON-ROAD - with silencer and foam | |
| UR0825 | Oils / Greases |
| Silicone Differential Oil - 25'000 cps (75ml) | |
| UR0817 | Oils / Greases |
| Silicone Differential Oil - 7'500 cps (75ml) | |
| UR8815 | Bags / Boxes |
| Bag - ULTIMATE Oils Bag (220x220x110mm) | |
| UR46143 | Wires - Connectors |
| Connector - Gold - 5.0mm - DUAL BATTERY PLUG (2pcs) | |
| UR8402-8T | Glue / Tape etc. |
| 1/8 Truggy Tire Mounting Bands (4pcs.) | |
| UR8402-10 | Glue / Tape etc. |
| 1/10 Buggy Tire Mounting Bands (4pcs.) | |
The photos, descriptions, dimensions and prices of the products are for illustrative purposes only. They are subject to change at any time. We cannot accept any liability for technical or typographical errors.