OD-OD

4" to 3.5" Exhaust Reducer OD to OD Aluminized RJ435 Exhaust Reducers and Connectors for All makes and Models of Semi-Trucks, Medium Duty Trucks, and Pickup Trucks All Truck Exhaust Products are made in the USA by Riker Products in Toledo, OH. What...

5" to 4" Exhaust Reducer OD to OD Aluminized Exhaust Reducers and Connectors for All makes and Models of Semi-Trucks, Medium Duty Trucks, and Pickup Trucks All Truck Exhaust Products are made in the USA by Riker Products in Toledo, OH. What Exhaust...

6" OD to 5" OD Exhaust Reducer Aluminized Steel Pipe Exhaust Reducers and Connectors for All makes and Models of Semi-Trucks, Medium Duty Trucks, and Pickup Trucks All Truck Exhaust Products are made in the USA by Riker Products in Toledo, OH. What...