^^^Quite a bit but as with any car, it all depends on how deep your pockets are^^^
Looks good. Let me know how those Megans work out for you because I was thinking of putting some on the 400 but I've heard mixed reviews about them. And the wheels look good, I didn't know you polished them

...and far as the W58...you know you really want that Getrag

What year is your 400?
Repped