Type RA Suspsension Compatibility with 2005 STi

LordLuciendar · 09-07-2024, 08:45 PM

My 2005 STi has started to get a little long in the tooth and is showing some signs of wear and tear. Among it's symptoms the rear struts have begun to clunk and I'm looking at options to replace them. I have a connection that has a set of 2018 Type RA Bilstein struts for sale for half the price of of any other solution I've seen, but I haven't been able to really find any information about compatibility.

I know the 2005 STi suspension isn't compatible with contemporary 2002-2014 WRX suspension with 5x100 bolt pattern, but the 2018 Type RA and the 2005 STi both share 5x114.3 bolt patterns. Additionally side by side the struts look identical to the '05 OEM strut images online.

Does anyone know if these will swap in or if there's a place to get more authoritative information (like specs for the geometry or other factors that would inhibit compatibility)?

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Subydude83 · 09-08-2024, 07:21 AM

I don’t believe they will fit. From owning pretty much all the models you stated and installing multiple struts/coilovers I think there are slight differences.

Kostamojen · 09-08-2024, 12:35 PM

No, they are not compatible.

Householder · 09-11-2024, 10:34 PM

Have you checked your Bilstein Type RA sound system carefully? [size=1pt]tiny fishing[/size] I think it was sold at a very low price so I think the sound system is really not good. Besides, you need to take care of your car more and it will still work.

REX_WGN · 09-12-2024, 02:28 PM

Definitely not compatible with anything after 2008. The front will very likely bolt up but the rears will not. Actually I think the front tophats are slightly different as well.

09-07-2024, 08:45 PM	#1
LordLuciendar Scooby Newbie Member#: 366796 Join Date: Aug 2013 Location: White Mountains, NH Vehicle: 2005 Impreza WRX STi Black	Type RA Suspsension Compatibility with 2005 STi My 2005 STi has started to get a little long in the tooth and is showing some signs of wear and tear. Among it's symptoms the rear struts have begun to clunk and I'm looking at options to replace them. I have a connection that has a set of 2018 Type RA Bilstein struts for sale for half the price of of any other solution I've seen, but I haven't been able to really find any information about compatibility. I know the 2005 STi suspension isn't compatible with contemporary 2002-2014 WRX suspension with 5x100 bolt pattern, but the 2018 Type RA and the 2005 STi both share 5x114.3 bolt patterns. Additionally side by side the struts look identical to the '05 OEM strut images online. Does anyone know if these will swap in or if there's a place to get more authoritative information (like specs for the geometry or other factors that would inhibit compatibility)? * Registered users of the site do not see these ads.

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09-08-2024, 07:21 AM	#2
Subydude83 Scooby Newbie Member#: 539014 Join Date: Sep 2024	I don’t believe they will fit. From owning pretty much all the models you stated and installing multiple struts/coilovers I think there are slight differences.

09-08-2024, 12:35 PM	#3
Kostamojen Scooby Guru Member#: 2272 Join Date: Sep 2000 Chapter/Region: BAIC Location: Fire Caves Vehicle: 2019 Macan 4cyl 1993 Impreza FWD WRX swap	No, they are not compatible.

09-11-2024, 10:34 PM	#4
Householder * Banned * Member#: 539071 Join Date: Sep 2024	Have you checked your Bilstein Type RA sound system carefully? [size=1pt]tiny fishing[/size] I think it was sold at a very low price so I think the sound system is really not good. Besides, you need to take care of your car more and it will still work.

09-12-2024, 02:28 PM	#5
REX_WGN Scooby Guru Member#: 107618 Join Date: Feb 2006 Chapter/Region: Tri-State Location: NY Vehicle: 06 GG WRX / 09 FXT @florencedestinedfxt	Definitely not compatible with anything after 2008. The front will very likely bolt up but the rears will not. Actually I think the front tophats are slightly different as well.