Now you can manually control the flow of your vehicle's exhaust either thru the stock exhaust system or straight out the pipe, with an exhaust cutout from Mr. Gasket. Made from durable cast iron, the exhaust cut-out will accept 2 inch OD exhaust pipes. It can be used on other size tubing thru the use of adapters and reducers (not included). Brazing is required. Each cutout is complete with a control cable and installation instructions. Product Features:Cast iron for strengthFlapper valve and cable included