Summit exhaust cutouts on a 1962 F100 unibody with stock 292 Y block. Sorry for the lousy audio sound it was windy that day. I will do a better video when I can, hard by self though..Start video and end with closed, open them up in the middle..Thanks Tim the Y Block guy for the tips on exhaust and Tri-power wich I still havent done.. Again sorry for the sound quality!

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