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Flyin' Miata 1990-05 shock tower brace

Flyin' Miata 1990-05 shock tower brace
Flyin' Miata 1990-05 shock tower brace
Finally, a well-designed shock tower brace for the Miata. Now fits all NA and NB models!

Made in the USA

Exclusive to Flyin' Miata

Availability: On backorder
You can place an order now and we'll reserve it for you. We are expecting the parts around August 5th, 2020.



Cars with strut suspensions rely on the top of the strut towers to maintain their suspension geometry - and inconveniently, there's usually an engine between them in the front. So strut tower braces are very popular to improve the handling on those cars.

But a Miata has a double wishbone front suspension. The top of the shock tower is mostly taking vertical loads. But there's still a big hole in the middle of the engine bay, and that means the structure of the car suffers in this area. Joining the shock towers together with a well-designed brace will improve steering feel and cut down on cowl shake when you hit a bump.

Of course, the brace has to be designed properly. There are a lot of cheap ones that are simply shiny jewelery for the engine bay. The cross bars are very flexible, there's usually a bolt in just the wrong place that acts as a pivot and the towers are flimsy. Some also "triangulate" to the thin metal at the top of the firewall, but there's no structure to tie into there.

Mazda knows this. It's why, when they designed the brace found on many 2001-05 Miatas, they put two vertical bolts on each side with a nearly-straight bar in the middle on top of beefy towers. And it's why our bar is designed along similar lines. Ours, however, will fit under the hood of a 1990-97 model as well as the later cars.

We didn't just stop with the design, though. We made the parts out of High Strength Low Alloy steel, which gives more strength for the same weight. This makes the brace even more effective. The bars are finished in wrinkle-coat powdercoat.

1990-05 four cylinder with most turbochargers and superchargers. This includes all of our current turbocharger kits. Mazdaspeed Miatas will require re-plumbing the crankcase ventilation system and (if equipped with our Enchilada intake) modifying the air filter mount. The stock brace is pretty good on those cars, so we recommend against using our brace on an MSM unless you are prepared to do some fabricating.

Does not fit:
air intakes that sit on top of the shock tower, such as Racing Beat
M45 superchargers
LS engines with an insulated intake manifold, although you can remove the insulation

Additional Information

Additional Information

Part number 13-26020 1990-05
Fits: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004 (non-MSM), 2005 (non-MSM), MSM
Manufacturer Paco Motorsports
Flyin' Miata exclusive Yes
Fits Exocet? No
Proposition 65 Warning: Cancer and reproductive harm
California emissions No

Customer Reviews 15 item(s)

Love it
I have an NB1, hard top and I had cowl shake with the top off. This has just about eliminated it and I am just waiting on the Butterfly braces to come back in stock, those are going on next.
Review by Clair / (Posted on 4/28/2020)
Driving comfort and confidence
Bought this second-hand to pair with a brake master cylinder brace on a NB2 after I had removed the stock shock tower brace. They say there's no performance difference without a shock tower brace, but there is a huge comfort and confidence difference. The added stiffness reduces NVH, flex, and creaks.

Fitment and clearance was tight as I may have purchased one of the earlier production units. The bar is touching my PCV tube, so I wrapped it with protective wire wrap. I also needed to deburr one of the mounting holes for fitment.

Flyin Miata provided email support even though I purchased it second-hand.
Review by m1yeh / (Posted on 9/13/2019)
Solid Product *no pun intended
Bolted up to my 1995 NA8 Miata perfectly. Very well engineered with what looks like very strong welds. 4 strong bolts holding on the top brace bar to each mount bolted to the shock towers in bay. The paint seems nice and thick too.
Review by Nikko / (Posted on 8/20/2019)
Made car more composed. Love it
Put onto a stock 99. Easy installation, though you'll need a deep socket and powered tool, since the stock suspension has mildly oval/compressed nuts.
The car immediately felt mildly more responsive, and moved around less during spirited driving around sharp corners. There is also a mild reduction in cowl shake.
Yes, it makes a difference, but you get used to it within half an hour. The car feels far more planted under stress. Wish I could get the equivalent for the rear end!
Review by Wyindy / (Posted on 5/2/2019)
IMO best on the market available
I looked at several by far the best option for my roadster.
Review by Michael / (Posted on 6/4/2018)
You might find the cost is a bit steep, But it's worth the money. I am impressed with the build quality of this product. It includes the spacers depending on the engine room clearance. The kit is easy to install, only took me about 20 minutes.
Most importantly, This is the one of the ONLY Strut Tower Brace in the market you can sandwich with the Brake Master Cylinder Brace. You can be creative to build on your own, otherwise, this is a GOTO option!
Review by POWR404 / (Posted on 11/19/2017)
Amazing, changes the feeling a lot.
I am very impressed with the quality of this. It stiffens up the ride a lot. It's light weight and helps give you confidence in corners.

Best bang for your buck for cheap suspension mod.
Review by Drew osmond / (Posted on 6/14/2017)
Great for performance, comfort and looks!
Got this bar for my 2003 to replace the stock one expecting a little more stiffness, was happily surprised by lots more stiffness, steering response, and less cowl shake and rattling from the cabin.

Install took about a second and a half and it looks sooo much better than the stock one. Also weighed about a pound or two less!
Review by Jett B / (Posted on 1/23/2017)
Great for the front. Leaves me wanting the same for the rear.
I have a '91. Brace clearly does what it is intended to do. It eliminated the shuttering from the front of the car. It makes the car fell more planted up front. But now the rear shuttering is more noticeable. I'm going to look into bracing for the rear of the car. It's like I have a new car in front but it was welded to the back end of an old car. Other than the delrin door bushings, I've done no other modifications from stock.
Review by RPerlot / (Posted on 9/20/2016)
Cowl shake killer, worth the $!!!
I just installed one on my 94 A-spec after trying and failing to install a Megan Racing brace - bought largely 'cause it was a deal...that was meant to fit my 94 but only if using an aftermarket intake...

I have a hard dog x-brace bar in my car, v-maxx sports and sways, GarageStar Delrin door bushings and ever since the roll bar went in I had exacerbated cowl shake due to the suspension and the uprated chassis stiffness.

The Brace killed it. Realistically, unless on pavement that looks like a motocross track this thing made my car feel like a sedan...

As for handling, the turn in feels a bit crisper but I can't say the handing has improved the car was pretty dialed in before.

Awesome piece, worth the price and you will not be disappointed.
Review by lefthandedelvis / (Posted on 6/20/2016)
Worth the money - Noticeable difference in feel.
Just installed it on my 1990 NA. Even though my car only has 120k mi on the clock, the 26 year-old body was definitely in need of some bracing. I installed this shock tower brace and the Garage Star Delrin door bushings (my rubber ones weren't looking too healthy), and it was a world of difference, even in just the "test lap" that I took around the block.

Installation was pretty easy. Only issue is that I need to remove the spacers. With both of them in, my hood has to flex a little bit to close. With the lack of sun, that'll have to wait until morning. Other than that, took about 15 minutes (well, closer to 30, but that was just waiting for the WD-40 to break the shock tower nuts loose) and went off without a hitch.

For about $150, there's much to gain and little to lose. Highly recommended if you want better control and a car that feels better overall.
Review by Charles / (Posted on 6/13/2016)
A Reasonably Priced & Worthwhile Improvement
I have a '92 with 123k with the Stage 1 suspension kit set on 2 in Connecticut roads. The car is in very good shape, and I just want to stiffen it a little and reduce cowl shake. I previously replaced the played out stock door bushings with delrin, which greatly reduced the door rattles.

This was my second step. I found it tightened the front end and eliminated a lot of the cowl shake and noise. Big potholes or gaps still shudders the chassis, but I am impressed with the improvement.

For the cost, ease of installation, and improvement, this is a worthwhile upgrade. I am considering the rear subframe brace next. This seems like a good middle ground for me, as I don't want to go so far as the frame rail reinforcements or the butterfly brace.
Review by Scott / (Posted on 6/13/2016)
Helps a little bit and looks great under the hood
Does help just a smidge with cowl shake..but I suspect other problems with my car are the casue of most of the cowl shake...i did have to cleanrce hood to get it to not rub
Review by Roman / (Posted on 6/27/2015)
Not bad, not a miracle
Before purchasing, research I did in the miata community lead me to believe STBs were either a huge waste of money or the miracle cure for cowl shake. I think this one fits somewhere in the middle. Quality is excellent, no bending this sucker. Install was extremely easy (even my '94 with having to re-route the cruise control). My impression after 50 or so miles of test driving on Wisconsin's crappy roads it is a decent upgrade if you have money to spare and are looking to reduce cowl shake a bit with a simple upgrade. It wasn't quite as awesome as the prior review made it out to be. I would say 25% reduction in cowl shake. Did not notice any change in handling, but frankly you shouldn't expect it with a STB on a miata.
Review by Ryan / (Posted on 6/17/2015)
great product for my miata
right out of the box the brace looked very nice, took about 15 minuted to install ,it was very easy,i noticed a difference right away as soon as i backed out of the driveway.the car would shake going over the railroad tracks by my house and it seemed like the car would jump over about 4 inches. now it rolls right over the tracks and doesn't rattle your teeth like it used to. the car now goes where you point it, the brace made the car handle a lot better than without any brace, i would recommend this brace for any car that doesn't have one.
Review by comatoast59 / (Posted on 5/12/2015)
Click here for instructions for this part.