Replacement Shock Recommendations
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Scooby Regular
Joined: May 2018
Posts: 387
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From: Newtownards - Northern Ireland
Replacement Shock Recommendations
Hi All
Looking Recommendations on replacement front and rear shocks for my 2006 wrx sti (hawkeye) impreza.
2Pot has said "If you are only doing low mileage, you can use the inverted KYB ultra sr rear strut kyb 321004 & 321005. Most change to KYB ultra sr non-inverted strut 324030 & 324031. This style of damper rod is bathed in oil"
However after checking these part codes are not listed on KYB catalogue for the STi models, they only list for the WRX.
I'm looking at replacing all 4 struts. Can anyone give me good recommendations and (to help me out provide part numbers)
Looking Recommendations on replacement front and rear shocks for my 2006 wrx sti (hawkeye) impreza.
2Pot has said "If you are only doing low mileage, you can use the inverted KYB ultra sr rear strut kyb 321004 & 321005. Most change to KYB ultra sr non-inverted strut 324030 & 324031. This style of damper rod is bathed in oil"
However after checking these part codes are not listed on KYB catalogue for the STi models, they only list for the WRX.
I'm looking at replacing all 4 struts. Can anyone give me good recommendations and (to help me out provide part numbers)
004&005
The KYB excel-g WRX struts couldn't control an STI rate spring.
The Ultra sr struts can control an STI spring rate.
The non-inverted Ultra SR strut is listed against the WRX, because it is not an inverted strut.
Your front strut is a problem:
You can install a Koni insert.
You can buy new from Subaru.
You can buy Pedders - the widetrack STI struts are having issues, so far, which is a shame. Plus, imo, their ride height is too low for their spring rates.
I've had a preliminary meeting with Bilstein about designing some STI inserts (the Koni inserts, due to their diameter, are not straightforward, in the widetrack housing). I'll drop off some empty strut housings this week.
The Ultra sr struts can control an STI spring rate.
The non-inverted Ultra SR strut is listed against the WRX, because it is not an inverted strut.
Your front strut is a problem:
You can install a Koni insert.
You can buy new from Subaru.
You can buy Pedders - the widetrack STI struts are having issues, so far, which is a shame. Plus, imo, their ride height is too low for their spring rates.
I've had a preliminary meeting with Bilstein about designing some STI inserts (the Koni inserts, due to their diameter, are not straightforward, in the widetrack housing). I'll drop off some empty strut housings this week.
Last edited by 2pot; Sep 20, 2018 at 09:22 AM.
Thread Starter
Scooby Regular
Joined: May 2018
Posts: 387
Likes: 2
From: Newtownards - Northern Ireland
The KYB excel-g WRX struts couldn't control an STI rate spring.
The Ultra sr struts can control an STI spring rate.
The non-inverted Ultra SR strut is listed against the WRX, because it is not an inverted strut.
Your front strut is a problem:
You can install a Koni insert.
You can buy new from Subaru.
You can buy Pedders - the widetrack STI struts are having issues, so far, which is a shame. Plus, imo, their ride height is too low for their spring rates.
I've had a preliminary meeting with Bilstein about designing some STI inserts (the Koni inserts, due to their diameter, are not straightforward, in the widetrack housing). I'll drop off some empty strut housings this week.
The Ultra sr struts can control an STI spring rate.
The non-inverted Ultra SR strut is listed against the WRX, because it is not an inverted strut.
Your front strut is a problem:
You can install a Koni insert.
You can buy new from Subaru.
You can buy Pedders - the widetrack STI struts are having issues, so far, which is a shame. Plus, imo, their ride height is too low for their spring rates.
I've had a preliminary meeting with Bilstein about designing some STI inserts (the Koni inserts, due to their diameter, are not straightforward, in the widetrack housing). I'll drop off some empty strut housings this week.
Subaru-wise, the KYB catalogue has many errors.
Strut performance tails off over 50k. Or, significantly less with a damper/spring mismatch.
The bump stops are awkward to change, when using inverted struts
Strut performance tails off over 50k. Or, significantly less with a damper/spring mismatch.
The bump stops are awkward to change, when using inverted struts
Thread Starter
Scooby Regular
Joined: May 2018
Posts: 387
Likes: 2
From: Newtownards - Northern Ireland
The suspension issue seems more complicated than I first anticipated. part of me might just take the risk with Tein Flex z or Miestrr coilovers. Will be after Christmas before I've got all the cash. So i'll hold off incase theres a development on the Bilstein inserts.
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