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RoadsterSport 6 Piece Complete Underbody Brace Kit for MX5
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RoadsterSport 6 Piece Complete Underbody Brace Kit

2006-2015

Made in the USA, and LIFETIME Warranty!

PART NUMBER: 61-1509

READ REVIEWS (5) | WRITE A REVIEW

Price: $799.00

Quantity:

FREE SHIPPING

Free shipping offers apply only to destinations within US Lower 48.

Price: $799.00

Quantity:

FREE SHIPPING

Free shipping offers apply only to destinations within US Lower 48.

DESCRIPTION

In response to lots of requests over the years for a brace kit that does not break and adds functionality like toe control, we are proud to offer our 6 piece complete NC Brace Kit! Made in the USA, all TIG welded, honeycomb internal construction for ultra light weight AND strength. Lifetime warranty is unmatched by any other choice!

Easily our best VALUE in a full brace setup for NC generation MX5. All made in the USA, not the China stuff the other brands are selling that often breaks. I rate it 6 out of 10 on difficulty for average Joes, about the same challenge as putting in full header and exhaust system.

BRIAN'S APPLICATION NOTES:Do not be fooled by the cheap Chinese copies that are made with cheap materials and crap welds that snap, this is a high tech honeycomb construction that is much stronger, made in the USA, which is why it has a LIFETIME warranty. See our Forum install thread, this one takes some work to install but average Joes can do it. Two large braces at the front replace one smaller heavy factory steel brace and provide numerous additional connection points for a much more stout result. Rear triangulated suspension and chassis links and separate toe links provide more consistent, linear, predictable rear suspension response. My favorite pieces are actually the little rear toe link braces, they stop the NC toe out under load like nothing else I have tried. NOTE some loss of ground clearance with most underbody braces, customers with cars lowered more than an inch need to be careful around speedbumps, etc.

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Customer Reviews

RoadsterSport 6 Piece Complete Underbody Brace Kit

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.

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.

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.

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

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!

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