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So just installed the Megan racing strut tower bar and subframe h brace (on stock suspension and tires) and wow.. what a difference. Steering feels tight and precise, and the feels way more “eager” to turn.
I know that will get get better with an updated suspension, a tad bit of front camber and stickier tires.
now about the H-brace, I did the universal search reguarding the torque specs recommended, but it’s either hidden somewhere (or I’m blind). What are your guys h braces torqued to?
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2012 Mazda 3 GX MT5 non sky
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Yeah same here ..did that a while ago and yes a big difference ... especially notice it when I drive a car without it.
I also installed Ultrarace mid lower brace Mazda 3 (BMBN) 2014-2018
Which goes right behind the sub front . If you want to stiffer sub chassis You should add these braces in sub frame
On the Gen 2 UltraRace has more braces available and i added 2 more rear braces One sub frame , one in the truck area.
Car feels super solid
 
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2018 3 GT Hatchback,6 Speed MT
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I've been eyeing that H Brace, I haven't found many other braces for the BN models besides the H Brace by Megan, seems like it would be a simple install too. IDK the TRQ specs for the sub frame nuts, a few Uga Duggas should do the trick lol
that's what i did for the rear when I added the rear camber arms because you have to drop the rear sub frame to access the inner camber arm bolts... poor engineering for sure.
 
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