What STB and RSB pick? - 2004 to 2016 Mazda 3 Forum and Mazdaspeed 3 Forums
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post #1 of 22 (permalink) Old 02-01-2017, 12:59 PM Thread Starter
Jet3
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Thumbs up What STB and RSB pick?

Hi. I recently bought Eibach's springs, but I have not installed it yet.

I looking a STB and RSB. Is for daily use and one autocross date per month.

STB: Tanabe, CS, Ultra Racing and more.

What about this: Mazda3 Tower Strut Bar Engine Bay Fits 2013 2014 2015 2016 2017 Mazda 3 Axela | eBay

https://www.amazon.com/ULTRA-RACING-...trut+tower+bar

And RSB: JBR, CS, Racing Beat and more.

Thanks.

Greetings from Lima, Perú.
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post #2 of 22 (permalink) Old 02-01-2017, 02:15 PM
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I'm very happy with my Tanabe STB & Progress RSB. There are a lot of great choices out there & they will all work. I'd say pick the ones you can get at a reasonable price to Peru & go for it!
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post #3 of 22 (permalink) Old 02-01-2017, 03:22 PM
Matt22
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I bought that ebay one, but I bought it direct from the guys website. its a little cheaper there, and I went with the painted black option.
it takes a while but I am not in a hurry. if you want to wait for me to fit mine I should have it next week.

Thespeedline.com is the website. I am sure you know but adding too much stuff can put your car into a different class.
when I did autocross a few times the lady asked what mods I had (88 RX7) and she said I would be in the the low end corvettes.
good thing I was a noob so I went into the noob class.

2015 Titanium Flash 3 SGT Hatch
-OEM: EDM Springs, Hatch Mat, Roof Rack & Splash Guards, Black Window Trim
-3dMAX Spider Floor Mats -Curt Hitch -Aftermarket:Plate Relocate Kit
-Corksport SRI, Cold Air box, Cat Back Exhaust & Led Fogs, -SU: Blacked Out Emblems
-Speedline: Strut Bar, Hood Struts and Smoked Rear Reflectors





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post #4 of 22 (permalink) Old 02-01-2017, 05:08 PM
arathol
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Quote:
Originally Posted by Jet3 View Post
Hi. I recently bought Eibach's springs, but I have not installed it yet.

I looking a STB and RSB. Is for daily use and one autocross date per month.

STB: Tanabe, CS, Ultra Racing and more.

What about this: Mazda3 Tower Strut Bar Engine Bay Fits 2013 2014 2015 2016 2017 Mazda 3 Axela | eBay

https://www.amazon.com/ULTRA-RACING-...trut+tower+bar

And RSB: JBR, CS, Racing Beat and more.

Thanks.

Greetings from Lima, Perú.
Any of the swaybars will work. If you look at the top of this subforum there is a sticky with a bunch of information, including the spring rates of a number of different bars. Read up on it and decide just how much you want to increase the roll stiffness.
As to the STB, any will work. The one piece models work better.
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post #5 of 22 (permalink) Old 02-01-2017, 06:02 PM
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What STB and RSB pick?

I got the Corksport Rear sway bar on the soft setting with Eibach springs as well. Its Really a big difference, I love how my car handles now.
As for the Strut bar, I got the Ultra Racing One on amazon. Simply because of price and it was a one piece design. I bought it a few weeks ago when they were going for $90 and free shipping. I believe there was only two left at the time. Shipping was stated to take a month but it got here in about a week!
Only feel a minor difference with the handling.




Last edited by Moval; 02-05-2017 at 04:53 PM. Reason: Pic
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post #6 of 22 (permalink) Old 02-02-2017, 05:46 PM Thread Starter
Jet3
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Thanks to everyone! Ok, about the RSB, i'm between Progress or JBR. Endlinks it is necessary?

About the STB, i'm going for the AutoX replica in Ebay.

Thanks!
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post #7 of 22 (permalink) Old 02-02-2017, 11:50 PM
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I have Moog endlinks (from Rockauto) paired with a Progress RSB & Ultra Racing STB (perfect combo imo). I'm lowered on Racing Beat springs and the road feel is increased but not harsh. The OEM endlinks are weak and if you plan on any spirited driving, they will be the weakest link (pun fully intended). It can be frustrating to torque he endlinks down or to remove the stock endlinks, so be sure to use a friend and some narrow pliers, and be sure to soak all bolts in penetrating fluid (trail and error on my part)

Quote:
Originally Posted by Jet3 View Post
Thanks to everyone! Ok, about the RSB, i'm between Progress or JBR. Endlinks it is necessary?

About the STB, i'm going for the AutoX replica in Ebay.

Thanks!
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post #8 of 22 (permalink) Old 02-03-2017, 12:59 AM
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Quote:
Originally Posted by Jet3 View Post
Thanks to everyone! Ok, about the RSB, i'm between Progress or JBR. Endlinks it is necessary?



Thanks!
Endlinks? Yes, especially if you are lowering the car you should use adjustable endlinks to keep proper positioning of the bar. Stronger endlinks are also a good idea because the stock parts are not really up to the task of handling the higher spring rates of a larger bar.

These work and are quite a bit heavier than stock:
Adjustable Sway Bar Links for Mazda 3 BK 2004 2009 | eBay



Get whatever bar you like. They are mostly the same, just a rate difference that you probably won't really notice a whole lot.

Last edited by arathol; 02-03-2017 at 01:03 AM.
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post #9 of 22 (permalink) Old 02-03-2017, 09:24 AM
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hard race endlinks, ultraracing STB and JBR RSB here..

2015 Mazda 3 SP25 Astina Soul Red (6MT)
  • Kuroi Pack
  • BC BR Coilovers
  • Ultra Racing Front Strut Bar
  • JBR Rear Sway
  • Hardrace Front & Rear Endlinks
  • Yokohama Advans AD08R 225/45R18
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post #10 of 22 (permalink) Old 02-03-2017, 05:36 PM Thread Starter
Jet3
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Thanks to all for the answers!
Quote:
Originally Posted by arathol View Post
Endlinks? Yes, especially if you are lowering the car you should use adjustable endlinks to keep proper positioning of the bar. Stronger endlinks are also a good idea because the stock parts are not really up to the task of handling the higher spring rates of a larger bar.

These work and are quite a bit heavier than stock:
Adjustable Sway Bar Links for Mazda 3 BK 2004 2009 | eBay



Get whatever bar you like. They are mostly the same, just a rate difference that you probably won't really notice a whole lot.
Ok, sorry for the ignorance. But what happen if i don't upgrade the endlinks? The Eibach springs lowered just 1.3 inches in the rear.

I decided go for the Progress RSB. Wich Endlinks (apart of the ebay) are trustworthy? Moog? Hardrace? Is just 2 endlinks for the rear, right?

Thanks and sorry for my english!
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