I was e-mailed about this new shaker hood that, if I am correct, is on the Mach 1 prototype. I thought the owners of the newer Mustangs might be interested.
https://www.gefracing.com/Merchant2/merchant.mv?Screen=PROD&Store_Code=GRPP&Product_Code=SHAKER&Category_Code=CLASSIC
https://www.gefracing.com/Merchant2/merchant.mv?Screen=PROD&Store_Code=GRPP&Product_Code=SHAKER&Category_Code=CLASSIC