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Never liked H&R, too stiff. Not the best pairing for bilstein. Not sure what other options there are but Corksport or tanabe would be my first picks. Shame that Eibach doesn’t make springs for the third gen because they go perfectly with Bilsteins. I’ve tried Eibachs on a Scion FRS before and loved em.
Yeah, checked out their website and they only make springs for 3rd Gen Mazda 3s....
 

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What would be more comfortable B4 vs B6 vs Koni Sport. Talking purely about comfort and thus a softer ride.
Searching on this forum and others I found Koni FSD with stock springs is the best combo for comfort. However I checked and Koni doesnt make FSD for this car anymoren only Koni sports. They are adjustable but not sure how they would compare to FSD at the softest setting
 

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What would be more comfortable B4 vs B6 vs Koni Sport. Talking purely about comfort and thus a softer ride.
Searching on this forum and others I found Koni FSD with stock springs is the best combo for comfort. However I checked and Koni doesnt make FSD for this car anymoren only Koni sports. They are adjustable but not sure how they would compare to FSD at the softest setting
You live in Toronto so I'm sure you know about how shit our roads are here... Bilstein would be more reliable.

If you drive on all the rough roads, I'd go for B4 It's not much firmer than stock. Your two options is B4 with aftermarket springs, or B6 with stock springs. It's mainly down to the spring. Find something that doesn't have an aggressive drop. Stock springs could be a good option if you want the same ride height.

I would also suggest modifying your bump-stops so that the strut has more space to compress and consider installing sway bars. They tighten up the suspension and reduce body roll without affecting comfort. I think the money you save on aftermarket springs should go to sway bars.
 

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What would be more comfortable B4 vs B6 vs Koni Sport. Talking purely about comfort and thus a softer ride.
Searching on this forum and others I found Koni FSD with stock springs is the best combo for comfort. However I checked and Koni doesnt make FSD for this car anymoren only Koni sports. They are adjustable but not sure how they would compare to FSD at the softest setting
The B4 shock is optimized to be a slightly better than stock replacement. Theoretically it should be a more compliant ride and less harsh, but I've never ridden on B4s before. I did put a set of B6s with stock springs on my wife's Integra and it made just about perfect. Not harsh or overly stiff, but very responsive. Bilstein shocks will last way longer than OEM as well.

Don't worry about dropping your car, changing springs, different sway bars, etc. unless you really want to start changing things up (and this was your goal anyway). I'd stick with just the B4 shocks with your old springs and call it a day if you want that new ride feel but not too stiff.

Sent from my HTC6545LVW using Tapatalk
 

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What would be more comfortable B4 vs B6 vs Koni Sport. Talking purely about comfort and thus a softer ride.
Searching on this forum and others I found Koni FSD with stock springs is the best combo for comfort. However I checked and Koni doesnt make FSD for this car anymoren only Koni sports. They are adjustable but not sure how they would compare to FSD at the softest setting
The B4 shock is optimized to be a slightly better than stock replacement. Theoretically it should be a more compliant ride and less harsh, but I've never ridden on B4s before. I did put a set of B6s with stock springs on my wife's Integra and it made just about perfect. Not harsh or overly stiff, but very responsive. Bilstein shocks will last way longer than OEM as well.

Don't worry about dropping your car, changing springs, different sway bars, etc. unless you really want to start changing things up (and this was your goal anyway). I'd stick with just the B4 shocks with your old springs and call it a day if you want that new ride feel but not too stiff.

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How much firmer were they VS. Stock integra struts?
 

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The B4 shock is optimized to be a slightly better than stock replacement. Theoretically it should be a more compliant ride and less harsh, but I've never ridden on B4s before. I did put a set of B6s with stock springs on my wife's Integra and it made just about perfect. Not harsh or overly stiff, but very responsive. Bilstein shocks will last way longer than OEM as well.

Don't worry about dropping your car, changing springs, different sway bars, etc. unless you really want to start changing things up (and this was your goal anyway). I'd stick with just the B4 shocks with your old springs and call it a day if you want that new ride feel but not too stiff.

Sent from my HTC6545LVW using Tapatalk
Thanks. I see that you live in Toronto too, where would u recommend buying these? Rockauto has them listed as "Out of Stock"
 

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How much firmer were they VS. Stock integra struts?
I replaced the original struts at 172,000 miles with the B6. Granted, the old ones were well worn out and putting anything new on would make a huge difference. However, the B6 shocks were not harsh at all on the oe springs. Definitely more firm, but not excessively. The car felt like new again even with everything else still original. My wife doesn't care for a super sporty ride and she was plenty happy with the result. We sold the Integra last year with just over 398,000 miles and those Bilstein shocks. The suspension still felt acceptable even with that many miles on it.
 

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Thanks. I see that you live in Toronto too, where would u recommend buying these? Rockauto has them listed as "Out of Stock"
I think you meant to quote Get Inline as his signature says Toronto.

Best price I've seen so far was mentioned earlier in this thread - shockwarehouse.com
 

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You live in Toronto so I'm sure you know about how shit our roads are here... Bilstein would be more reliable.

If you drive on all the rough roads, I'd go for B4 It's not much firmer than stock. Your two options is B4 with aftermarket springs, or B6 with stock springs. It's mainly down to the spring. Find something that doesn't have an aggressive drop. Stock springs could be a good option if you want the same ride height.

I would also suggest modifying your bump-stops so that the strut has more space to compress and consider installing sway bars. They tighten up the suspension and reduce body roll without affecting comfort. I think the money you save on aftermarket springs should go to sway bars.
Thanks. I see that you live in Toronto too, where would u recommend buying these? Rockauto has them listed as "Out of Stock"
 

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So I really want to replace the original shocks on my car. Bilstein has apparently pulled their offerings as they put it out to market prematurely it would appear. Koni no longer sells the FSD kit and I can't get either to tell me if/when they plan to release anything new. Those were the two options I was considering. I don't mind slightly firmer than OEM, but I do want compliant and something that will last longer.

Without going to a full coilover kit, are the only options KYB GR-2, Monroe OESpectrum, Koni Sport, Corksport or OEM?

Of those remaining options I wouldn't mind going to Koni sport, but that seems like overkill for my sort of commuting. I also don't want to spend $650 for features I don't really need.
 

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Yeah I dont get why Bilstien pulled it. I found them in stock at a place in Austin, TX and got 2 B4's for the front. I got them installed last month and cant really say much. They feel almost the same as stock to me except in some cases like braking hard (way less nose dive)

I got them because my drivers side strut was leaking after only 70k KMs. I would not recommend spending $650 on shocks though. Not worth it for M6. Just get stock then. I would assume they have improved the design and it doesnt fail that often now
 

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Any one install these on an '18 Mazda6? Curious if they fit. Bilstein doesn't show them available for the 2018.
 

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Well I couldn't wait on Bilstein to figure out when they were "really" going to release their shocks so I went ahead and bought the Koni Yellows on eBay. I took advantage of a 15% sitewide discount so the total ending up being around $550.



I'm also trying to close on a house so it'll be a little while before these get installed - can't wait!
 

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I literally just got off the phone with Bilstein. The guy told me that it wouldn't be till Feb-mar time frame for the B6/B8 rear shocks........
 

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Has anyone measured a ride height increase with Konis or Bilsteins on OEM springs?
I finally had my Koni Sports installed over the weekend. I didn't bother measuring before and after, but I'd say it sits a hair taller than my 129k old oem suspension. Not terribly different and feels immensely better. I do have the fronts currently set to full hard and rears somewhere in the middle. I also reused the old springs.



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Well I couldn't wait on Bilstein to figure out when they were "really" going to release their shocks so I went ahead and bought the Koni Yellows on eBay. I took advantage of a 15% sitewide discount so the total ending up being around $550.



I'm also trying to close on a house so it'll be a little while before these get installed - can't wait!
Are the Koni smother or stiffer than the B6?
 

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Are the Koni smother or stiffer than the B6?

On a Mazda 6? No clue.


The Koni Sports I have now aren't bad at all for a daily driver. The rears are set to the middle and the fronts are one full turn in from full hard. I find the ride stiffer than before, but still compliant and comfortable. This is after having them installed for 2 months and 2,000 miles.
 

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Hey all. New here but have been reading this forum for a while.

Long story short, I bought B8 fronts and ordered B8 rears from Europe (after confirming on Bilstein’s US and European websites that the B4 model numbers were the same) to go along with my RSR springs. I had planned to install them on my 15 Touring model but never got around to it.

I traded that in on a 18 Gt-Reserve last week and was curious if anyone knows if the suspension has changed at all. They show different model numbers for the Oem front shocks. I’m assuming it’s probably a difference in damping due to the weight of turbo models.

I’d just hate to have a brand new set of Bilsteins and RSR springs that I can’t even use, and no one has any suspension goodies out for the new M6’s except for Corksport.
 
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