The install was pretty easy. Not as bad as the header actually.I had a 1/2"w. X 5" long piece of universal slotted bracket. Cut off the tip to the opening and flexed the tip 1 up, 1 down, place the T bolt in side ways and straightened it up. Caught the bolt perfectly. Push it through the hole CAREFULLY, drop it through,grap the bolt tip and pull the metal out. I had to add 3 washers on the Y rear brace at the suspension sub frame for it to clear the brackets. Finished as directed on the install of this forum.
It really tightens up the car. Makes the steering heavier. Cuts out the "darting on tar strips. No clearance problems so far, stock suspension.

-- David R K., Rochester NY ( '13 MX-5 6MT PRHT ) September 2016

Attended MATGAP Tail of The Dragon with upgraded sway bars and full chassis braces. NO adverse highway ride, 400 miles of interstate. Felt really good doing the Dragon.

Thinking about upgrading front tower brace to get the tight feel my NA had with upper and lower braces.

-- Roger M., Fort Wayne, IN ( NC 2010 Miata ) August 2015

Import Doctors, Fort Wayne, installed frame braces for me today. Can feel the difference already, really stiffens the car.

Will report after a run on one of my favorite roads. The racing beat front and rear sway bars really work without harming the ride.

-- Roge M., Fort Wayne, IN ( 2010 MX5 ) April 2015

Parts came today, will install next Wednesday. First step was front and rear sway bars, Racing Beat. Can feel improvement and no ride issues.

-- Roger M., Fort Wayne, IN ( NC 2010 Miata ) April 2015

GWR chassis bracing kit
Very confidence inspiring.
The kit has provided a noticeably buttoned down feel to my '06 MX-5. Steering feel, with both input and feedback, is more precise, accurate. Instead of feeling like different areas of the chassis are responding slightly out of sync, the whole car reacts in unison. This is without any other modification to my car. The rest of the suspension is stock with 55,000 miles.
I went with chassis bracing first to more accurately see how much of a difference it would make. (I later added RX-8 anti-sway bars and the Kansei FSTB. Next up are Ohlins coilovers!)
Another benefit I noticed is that the tighter chassis makes for less wasted effort. The bracing makes me feel like I don't have to compensate as much as with a "looser" car, which makes the handling better AND more comfortable.
I can feel this affect at slower speeds, too. Higher speed transitions are even more relaxed and smoother. All this adds up to more enjoyment with less effort.
The pieces appear stout and nicely finished, very lightweight.
Installation was straightforward, but I highly recommend NOT using the bolt grabber Brian includes but instead wrapping the included bolts with flexible wire to fish through the frame rail, then removing the wire from the bolt once it is in place. This will more safely prevent you from losing the bolts in the frame rail.
Highly recommended addition!

-- John K., Central Coast, CA ( 2006 MX-5 ) February 2015