Lake_Header_Kit_Correct_Louvers_-_Copy-418x308.jpgThese weld up baffles are what you need for the lake type headers. Some measuring and welding needed, possibly some wool added depending on your sound level needs.....you can put a plug in the main outlet, or a restrictor, or run em open holed with the baffles to take some of the nasty out of em...they are out of Minneapolis.....Gear Drive Speed and Custom