Air Intake Reducer Insert

5.5" ID to 4" Rubber Reducer Insert Sleeve OD RS554 Air Intake Exhaust including Rubber Elbows and Reducers 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...

7" ID to 6" Rubber Reducer Insert Sleeve OD Air Intake Exhaust including Rubber Elbows and Reducers 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,...

6" ID to 5" Rubber Reducer Insert Sleeve Air Intake Exhaust including Rubber Elbows and Reducers 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...

5.5" ID to 5" Rubber Reducer Insert Sleeve OD Air Intake Exhaust including Rubber Elbows and Reducers 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...