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Final suspension upgrades

1391 Views 11 Replies 4 Participants Last post by  TalonTsi90

I am about ready to take on the final part replacements on my suspension for my 2016 Mazda 6. The last of the OEM parts that I planned on upgrading are the rear lateral arms, rear upper control arms, and rear lower control arms (considering going OEM with the lower control arms in the rear as I don't see much benefit to aftermarket there). I am still uncertain on doing anything with the front sway bar or brackets/bushings.

I am leaning towards the Megan Racing lateral arms in the rear for the adjustable toe, and either their upper control arms or the CorkSports. Any feedback or experience with either?

Current suspension:

Bilstein B6s front and back
KYB front strut mounts
Tanabe lowering springs
OEM rubber seats replaced when springs were installed
Progress Rear Sway Bar (set to least stiff option)
Moog rear sway bar links
Mevotech lower control arms in the front
Mevotech sway bar links in the front

It handles much better than it did new, is frequently driven on very windy backroads at 2-3x the speed limit, and will be introducing me to autocross next month if my other repairs go smoothly. Hoping for a good blend of durability and performance as it's my daily as well, with 90% of that being on the highway.
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So glad i found this thread! I’m looking to further upgrade my suspension to B6s as well & considering Tanabes in the future. I also have the Progress RSB & Moog end links which was one of the best decisions I’ve made for my car.

I was contemplating on B8s (since they’re 25mm shorter & I’m going for the flush look) with the OE springs, but I’m afraid it’ll negatively affect the ride. Just trying to maintain comfort while improving the handling & appearance. Also, would you recommend getting KYB strut mounts too or will i be ok with the OE mounts for daily & spirited driving?
Ohh so the springs are the only thing that lowers the ride height then. Learn something new everyday
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Yea i agree; you’ll get more of the Tanabes with B8s for sure. Good to know that it’s possible to have lowerings springs with B6s but B8s would do you more good it seems. Looking forward to hearing your review!

I’ll probably just stick with the OE mounts after i get B6s & I’m pretty sure i have the “Type A” rear mounts. I also thought about whether or not i need to upgrade my control or lateral arms especially in the rear. I noticed a day or so after installing the Progress RSB i was hearing zirks coming from the rear when going over speed bumps & uneven surfaces. I think it just needed to be broken in but when i went back to the shop they said the noise was coming from the lateral arms i think. This was back in the end of the spring so the weather might’ve contributed to that as well & I haven’t heard the zirks in a while. I’m in IL so mine’s gotten a bit rusty too but the stealership always says my suspension is “in good shape” during routine maintenance lol.
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Dude that would be so clutch although i do kinda want to experience them brand new… maybe i can compromise by buying new fronts & maybe your rears if that offer is still on the table. And I’ve heard about the suspension nightmare with the Type A/B stuff but not sure how to avoid it lol. How long have you driven on your B6 set and how many miles are on them? And when you made the switch was there any visual change in ride height? Theoretically, it shouldn’t change & I figured B6s would bottom out less, but I’ve heard from videos & forums from beemer owners that their ride height increases slightly on B6s which could just be a case-by-case BMW thing.

I saw a whole set of B6 fronts & rears on Shock Warehouse for $500 :rolleyes: The struts are much cheaper on Rockauto but the shocks are out of stock. And it says in the cart to change the strut mounts and bellows, so do you know anything about Beck/Arnley mounts or Monroe strut bellows (if I’m avoiding KYB)?

The most DIY, non-visual work I’ve done to my car is replacing the engine/cabin filters and reattaching the back right muffler mount to the rubber bushing or whatever after my mom accidentally backed into my car smh. Thus, I’m no mechanic and will have to leave the major installations like suspension & exhaust up to the professionals. But I’ll keep in mind the spring seats and rear toe arms should i decide to go the lowering springs route. Plus, that’s another reason for me to stay close to OEM specs; having it lowered might make things more complicated maintenance-wise like the alignment you just mentioned.
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