reduction

I am making my 1991 GT a complete custom in most every sence of the word. I want to install sound deadening material I have settled on FatMat for the install. Dynamat is just too expensive. I need to know how much I am going to need. I have the money to spend, but I am trying to keep cost to...

I did a little research on the reduction ratio and was surprised at the difference. This is for 2005 + Mustangs. Information was pulled from manufactures web site if available or retail advertisement. Stillen Short Throw - 60% reduction Roush Short Throw - 55% reduction MGW Short Throw...