Jacobs Extarder is an exhaust brake (butterfly type) specifically designed to control vehicle operation during downhill operation. The Extarder can harness your engine's positive power and use that to help stop your vehicle.
Jacobs Extarder is custom designed and developed in cooperation with the world's largest engine manufacturers including Cummins, Caterpillar, Detroit and Mack.
Cummins B5.9 and C8.3 engines are commonly fitted with this product.
For full information on the Jacobs Exhaust Brake system visit the manufacturer website
Torquepower stocks Extarder kits and parts and would be pleased to help you with any service issues you may encounter.