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Racecomp Engineering Yellow Lowering Springs ( Part Number:RCO GR340)

Racecomp Engineering Yellow Lowering Springs - Subaru STI 2008-2014

Manufacturer Part # GR340


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RaceComp’s classic “Yellow” high performance lowering springs are now available for the GR chassis Impreza STI! Following the release of their popular "Regular Guy" springs, RaceComp has produced a more aggressive lowering spring for the 08+ STI. These new springs lower the car approximately 15mm and include new replacement bumpstops to maintain as much travel as possible on the lowering sensitive GR Impreza chassis. Spring rates are an aggressive 330 lbs/in front and 335 lbs/in rear. With a stance to match the performance, these springs utilize the knowledge RaceComp has gained from years of GR chassis set-up experience to maximize handling, retain ride comfort, and improve the look of your Impreza. RCE’s goal was to help cure the crippling understeer that adds to lap times at the track and autocross course. Studying the design of the new GR suspension, a more aggressive performance spring has been produced that retains available bump travel, matches the OEM dampers, and works in conjunction with the new rear motion ratio. The result is a car that handles extremely well from corner entry to corner exit.

For the 2011-2012 Impreza STI, ride height is reduced 10mm instead of 15mm.
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Brand: Racecomp Engineering
Adjustable: No
Drop Height Front: 0.6in / 0.4in (11-12)
Drop Height Front Metric: 15mm / 10mm (11-12)
Drop Height Rear: 0.6in / 0.4in (11-12)
Drop Height Rear Metric: 15mm / 10mm (11-12)
Includes Bump Stops: Yes
Spring Rate Front: 330lbs/in
Spring Rate Front Metric: 5.9Kg/mm
Spring Rate Rear: 335lbs/in
Spring Rate Rear Metric: 6Kg/mm

Mfgr. Warranty: Limited Lifetime Warranty
Condition: New Product
Return Policy:

RallySport Guarantee - 30 Days

Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.



Verified Purchase

Awesome Suspension Upgrade
Rei35 2 months ago
Bought these for my 2008 STI Hatchback. I paired these springs with Cusco Touring-A struts. I have been riding with them for a week now. I am happy with the upgrade from OEM. My car lowered little less than 1 inch but probably will settle to 1 an inch after a few hundred miles or so. They are a lot stiffer but ride comfort is not too bad, especially if you have adjustable struts.

Verified Purchase

Outstanding springs
Thenician 2 years ago
I love these springs. The car feels so much more connected to the road. I'm still on stock sway bars and shocks/struts and just these by themselves give a serious improvement to cornering with a very modest lowering. The only recommendation I have with these is you might have to upgrade you stock shocks at some point. Depending where you drive. There's a lot of rough roads by me and the stock tubes can't really handle the bounce back from these. So while they feel great when it's smooth, they are just a little bit springy over bumps and rough road.


Firmer Ride, Less Bounce
Demonik 3 years ago
Got a set of used ones, for about 15k Miles. Fantastic springs. Must have. With load, doesn't scrape and give you confidence around corners. Yet to install sway bars and endlinks and I love these springs already. Fantastic!
Verified Purchase

My favorite
jimmy3shakes 4 years ago
I've always loved cars and motorcycles that handle as well as possible. On my American muscle cars I loved eibach springs with Eibach pro dampers. My new favorite set up for my Sti dd is Gtworx/bilstein & rce yellows! They are stiff but not so stiff that you don't enjoy your driving experience. Your car becomes more fun to push.... I tried swift and 1st but on stock struts so I can't give a review on them other than my stock struts gave up within 2 months of installing them. I ran the eibach pro kit springs on the gtworx/bilstein struts for 6 weeks and they really were quite good together other than a distracting little bounce that felt out out place. I didn't feel confident pressing hard in bumpy corners. (I doubt a passenger would notice). But this set up can't be out driven. It's solid and consistent and really begs to be pushed harder. Fyi normally when somethings really good I keep it to myself... So enjoy!
Verified Purchase

ScubaDriver360 4 years ago
These things rock! Perfect drop on a '13 hatch. Great product.

  • Q: Any rub with RCE yellows , 15mm wheel spacers and stock wheels?  FRESH WRX PRODUCTIONS 1 year ago


    Any rub with RCE yellows, 15mm wheel spacers and stock wheels?

    • A: Once installed and settled, these springs shouldn't lower the vehicle more than 3/4''. It's best to measure the wheel gap and check the clearance.

      Connor M. 1 year ago
  • Q: Lowering stiff  ABDULAZIZ 2 years ago


    Which one is stiffer the Eibach or RCE yellow lowering spring ?

    • A: They would probably be around the same stiffness. The only thing that would differ is the Eibach springs have a progressive spring rate.

      Chris W. 2 years ago
  • Q: Use on WRX  Dailoh 3 years ago


    I bought these STI springs for my WRX. I know it said the spring rate will not match the struts for the WRX, but if I was to install them with the Koni Yellow inserts, will it be an issue?

    • A: We cannot confirm fitment with these units on a WRX.

      Nick S. 3 years ago
  • Q: Spring rate compared to RCE Blacks.  Razor Sharp 3 years ago


    Would you say that the ride stiffness is similar to the black springs? I have blacks on my 08 sti right now and love the spring rate, just looking to go a bit lower. The spring rates don't appear to be that different.

    • A: These will be slightly stiffer than the Racecomp Black Springs and lower the vehicle and should suit your needs well.

      Nick S. 3 years ago
  • Q: What Strut would pair well?  Cincy14STiHatch 4 years ago


    What strut would you recommend to give similar increase over stock that this spring gives? Thanks!

    • A: These are meant to be used with the OEM dampers and unfortunately we do not have any struts for the 08+ models available at this time.

      Nick S. 4 years ago