Im looking to upgrade the top and bottom middle grill on my 2010 GT500 with the 2013-2014 Grill. These as most know are a bit more aggressive and look a bit more sharp imo.
My only concern is the fitment, I have looked at several pictures of the OEM 2013-2014 grill and could not see a single difference in fitment, all attachment point also seem to be the exact same, it seems that the only real difference is an aesthetic one.
Has anyone done this to their 2010-2012 GT500?

 

I know the 11 & a 14 grilles are the same size, the 2010 " should be " the same size.
One of the 1st mods I did on my 14 was to protect the heat exchanger, a costly repair your insurance may or may not cover.
..........................( a $ 60.00 insurance policy )
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Yes the 2010-2014 GT500 have the same shape and size grill openings. Its just the plastic inserts that changed. Im just hoping they have the same tab points so that I dont have to cut/tie, etc to get them to fit properly.
Never thought about that, protecting the heat exchanger, does make sense and adds a unique look as well.

 

love the look. where u get the material?

 

Lots of places for that stuff. Have fun!

Link's actin' funny, so in emergency please try this:
https://www.google.com/search?q=hex+mesh+metal&tbm=shop

 

Don't know if you got your answer, but the grills will fit, same mounting points, but the bottom grill will require some cutting on the grill or the bumper. The 10-12 bumpers have a piece that goes across the outer holes on the lower grill, so it will not go all the way in unless your trim the grill or cut out the piece on the bumper. Cutting out the part on the bumper looks better though.