Reducers

5" ID to 4" ID Diesel / Race Exhaust Reducer / Adapter / Coupler

Upgrade or adapt your exhaust system with the AP Exhaust 8958 reducer coupler, designed to connect 5 inch outside diameter exhaust tubing to 4 inch outside diameter tubing. This reducer features a 5 inch inside diameter on one end and a 4 inch inside...

4" ID to 3.5" ID Diesel / Race Exhaust Reducer / Adapter / Coupler

Upgrade or adapt your exhaust system with the AP Exhaust 8957 reducer coupler, designed to connect 4 inch outside diameter exhaust tubing to 3.5 inch outside diameter tubing. This reducer features a 4 inch inside diameter on one end and a 3.5 inch inside...

4" ID to 3" ID Diesel / Race Exhaust Reducer / Adapter / Coupler

Upgrade or adapt your exhaust system with the AP Exhaust 8956 reducer coupler, designed to connect 4 inch outside diameter exhaust tubing to 3 inch outside diameter tubing. This reducer features a 4 inch inside diameter on one end and a 3 inch inside...

3.5" ID to 3" ID Diesel / Race Exhaust Reducer / Adapter / Coupler

Upgrade or adapt your exhaust system with the AP Exhaust 8955 reducer coupler, designed to connect 3.5 inch outside diameter exhaust tubing to 3 inch outside diameter tubing. This reducer features a 3.5 inch inside diameter on one end and a 3 inch inside...

3" ID to 2.5" ID Race Exhaust Reducer / Adapter / Coupler

Upgrade or adapt your exhaust system with the AP Exhaust 8953 reducer coupler, designed to connect 3 inch outside diameter exhaust tubing to 2.5 inch outside diameter tubing. This reducer features a 3 inch inside diameter on one end and a 2.5 inch inside...