Megan Coilovers for 3.5 A/C?

[pakistani]

Hey guys, currently in the market for something to lower my 3.5 A/C.
I dont want to stance it or anything, just come down about 2 inches. I was looking into the megan coilovers because they cost about the same as springs + struts.

I was looking at these:
http://www.meganracing.com/product_deta ... 1&catid=31

i saw on their website that they R&D'd for the 2.5, not the 3.5 and that you will need "adjusted spring rates". does anyone have more info about this? Anyone rocking megan coils on their 3.5 coupe?

Thanks guys, appreciate the help.