realchicksdrivestick Posted January 10, 2018 Share Posted January 10, 2018 Hi guys My 2010 Impreza 2.5 has worn struts/tops and control arm/rear suspension bushings. I plan on keeping the car for a few more years and would like to upgrade some components to OEM WRX or STI parts. I'm not interested in making it a track car or lowering it alot. I just want to replace the worn base model parts with something better that will make the car feel more sporty. It's a daily driver so it needs to maintain decent ride quality. Here are my ideas/questions: Replace front lower control arms / rear links. It seems this is easier than pressing them out and not too expensive. Not really interesting in upgrading to urethane. Replace factory shocks and springs with OEM equivalent WRX or STI components. What are the differences in spring rates? Do they just swap in? Once the worn components are replaced I would like to upgrade the sway bars too. Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted January 10, 2018 Share Posted January 10, 2018 (edited) Group N rubber suspension parts would sorta be in between stock and urethane. you might look around at NASIOC for some wrx take-offs. Folks upgrade and sometimes have low-use parts for sale. I don't know any specifics but, best upgrade I think was my SPT springs on my WRX, about 3/4" lower, less squat and dive, better cornering..., so, maybe Subaru offered some for 2010? Edited January 10, 2018 by 1 Lucky Texan Link to comment Share on other sites More sharing options...
carfreak85 Posted January 10, 2018 Share Posted January 10, 2018 Stay away from poly in any bushing that twists, unless you like routine maintenance. Link to comment Share on other sites More sharing options...
realchicksdrivestick Posted January 11, 2018 Author Share Posted January 11, 2018 Any detailed info on the difference in spring rate between base, WRX, and STI? Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted January 11, 2018 Share Posted January 11, 2018 Any detailed info on the difference in spring rate between base, WRX, and STI? nasioc would be a good place to search for that info. Link to comment Share on other sites More sharing options...
GeneralDisorder Posted January 11, 2018 Share Posted January 11, 2018 (edited) Any detailed info on the difference in spring rate between base, WRX, and STI? Up till about 2015, the STi spring rates weren't spectacular. 15+ STi's have fantastic suspension. Almost so good that you have to spend a LOT on coils to improve upon it significantly. We put $1800 Tein coils on a 2016 Hyperblue and although it lowered it, the handling and ride was frankly about the same. KING springs are VERY nice and are our go-to for performance springs. If you can find some take-off 15-17 STi suspension would say get those. They will drop your car about an inch. Yes they fit the GR chassis. GD Edited January 11, 2018 by GeneralDisorder 1 Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted January 11, 2018 Share Posted January 11, 2018 Up till about 2015, the STi spring rates weren't spectacular. 15+ STi's have fantastic suspension. Almost so good that you have to spend a LOT on coils to improve upon it significantly. We put $1800 Tein coils on a 2016 Hyperblue and although it lowered it, the handling and ride was frankly about the same. KING springs are VERY nice and are our go-to for performance springs. If you can find some take-off 15-17 STi suspension would say get those. They will drop your car about an inch. Yes they fit the GR chassis. GD awesome post ! Link to comment Share on other sites More sharing options...
carfreak85 Posted January 11, 2018 Share Posted January 11, 2018 King Springs refuses to release their spring rates... Link to comment Share on other sites More sharing options...
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