| CODE | Choose Drivetrain Fitment | Availability | Price | ||
|---|---|---|---|---|---|
 | AXO-3-071-11 | In stock
| $289.99 | ||
| AXO-3-071-10 | In stock
| $289.99 |
Introducing the CorkSport Rear Sway Bar for 2019+ Mazda 3 and CX-30. Improve your handling characteristics, reduce body roll, and reduce understeer by adding a sway bar to the rear of your GEN4. We tested multiple diameters and settled on a 7/8” diameter solid bar to ensure minimal impact on ride quality but with a big bonus to handling.
With fitments for both AWD and FWD setups, you can be sure there is an upgrade that’s perfect for your car. Read on for details and check out the release blog for even more info!
Read the blog:Reduce Body Roll With The New CorkSport Rear Sway Bar
With our experience racing our old Mazda 2, we knew right away that we had to figure out a rear sway bar for the GEN4’s torsion beam suspension to help fight understeer. Since there is no OEM sway bar, we had to get creative. The CorkSport GEN4 Mazda 3 sway bar bolts directly to the torsion beam of the vehicle, similar to our Mazda 2 Torsion Bar. Since a torsion beam essentially acts as a sway bar, adding on extra material offers the same effect as moving to a bigger bar with a more typical suspension.
The main goal of the CS rear sway bar is to improve handling. By effectively stiffening the torsional rigidity of the rear torsion beam, understeer is reduced, body roll is reduced, and handling feel is improved. We chose a 7/8” diameter solid bar for the right balance of understeer reduction without dangerous oversteer. You can get the car to rotate if you’re really attacking an autocross course but don’t worry, it is perfectly controllable and safe for daily driving and hitting a backroad.
While the concept is similar to our Mazda 2 bar, the design had to be totally unique in order to fit the GEN4 Mazda 3 just like an OEM part. We ended up with a separate design for both the FWD and AWD versions to really optimize fitment. There is one minor drawback for installation though. Some plastic aerodynamics pieces must either be removed or trimmed for fitment. We tried to avoid this; however, it was a necessary evil in order to utilize optimal mounting locations.
Like all CorkSport sway bars the GEN4 Mazda 3 bar is made from 4130 steel for great strength and consistent performance over time. We finish off the bars in CS blue powder coat for FWD vehicles and red powder coat for AWD vehicles. This ensures a great look and corrosion resistance. Each rear sway bar kit also comes with all the hardware needed for installation, all of which is made from stainless steel so it’s sure to stand the test of time. We even use locking nuts so you can be sure your sway bar stays where it’s supposed to.
It will take you Approx. 1 hour to install the Mazda Rear Sway Bar .
1 hour Install Time
2/5 Difficulty
2-Year Warranty
No CEL
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Fits:
2019-up Mazda 3
2021 Mazda 3 Turbo
2021 Mazda CX30
2021 Mazda CX30 Turbo
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Now I can carve through properly, no oversteer. All the while I'm literally part of my door or center console and seat belt because the car can actually corner and there's no bolstering to keep this dad bod planted in his seat.
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We went back to the Dragon after installing this rear bar.., and let’s just say, we slayed that Dragon. The car responded to the turns better than ever, body roll was none existent. Full sending was an understatement. This rear sway bar is a must if you’re looking to keep control on some tight turns, and really looking to put the AWD to work
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My previous performance modifications are: Ultra Racing: Strut bar, Front lower bar, CorkSport: Rear engine mount, Auto Exe: Floor crossbar.
The Cork Sport rear sway bar is the most substantial rear sway bar that I have ever seen. It is both thick and solid, quite heavy and substantial. This the case even when I have bought performance sway bars for other vehicles in the past.
The installation was quite straight forward with the provided instructions that Cork Sport provided.
The step of cutting the aero pieces for the torsion beam felt a little awkward for me and not the most satisfying thing I have done on my car. Although, with a little bit of work, I think it fits pretty well when it's trimmed still. Also, as opposed to what it says in the instructions, I have torqued the brackets all the way. And then I settled on a way bar placement then torqued the sway bar all the way. This way the nuts were more easily accessed for the ones that are close to the sway bar.
The feeling on the back of the car is substantially improved and corners much more stably. The back is much more planted now. Finally I do not feel like the car is a little bit like a toy car. Finally I do not feel like something crucial is missing in the handling of this car. Now I am able to appreciate the unique handling of this car.
Although the Ultra Racing front strut bar made a vast difference to how fast I can corner with this car, no upgrade I have made made the car feel as planted as this. I am very happy with this upgrade and recommend it to everyone who don't mind adding more weight to their car's suspension to achieve better handling, comfort and driving joy.
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Quality and Installation:
The quality is great, and it is really heavy duty. Installation was not too difficult, and took about 2 hours or so. Very straight forward, and the provided instructions were perfect. I only had trouble torquing one of the nuts because there was interference between the rear spring and my torque wrench, but that could have been mitigated if I had the proper extension.
Driving Impressions:
I currently have 16” wheels with CrossClimate2 tires (winter set of wheels and tires) and I have only been able to drive this in the rain. But wow is it a noticeable difference. Body roll is greatly reduced and I have much more confidence going around corners, especially on the highway. Before, if you jerked the wheel back and forth, you could feel the rear end kinda of float around. Now, it doesn’t float much at all and is pretty snappy. The reduced body roll is the main compliment I have of this product though.
I installed the Front Strut Tower Bar as well, so my impressions are based on both simultaneously. I have heard that the Rear Sway Bar makes a much bigger difference though, so that is why I left a review here. I do recommend getting both though.
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