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Racecomp Engineering Regular Guy Lowering Springs - Subaru STI 2008-2014

Manufacturer Part # GR08


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The Regular Guy Functional Lowering Springs for the 2008+ Subaru Impreza STI are designed as the ultimate performance spring upgrade for the GR/GV chassis.

Paying special attention to the rear suspension design of the GR chassis, the Functional Lowering Springs provide a mild 5mm drop front and rear to maximize the limited suspension travel available. Shorter bumpstops are included front and rear to take things one step further, resulting in more bump travel than stock. Rarely does an aftermarket spring set-up add suspension travel, but in this case it is a crucial design aspect that improves performance while helping to maintain a civil ride on the street.

Spring rates of 320 lbs/in front and rear are intended to work with the rear suspension of the GR chassis, which has a lower motion ratio in the rear than previous Imprezas. In addition, the OEM dampers have been carefully examined on a shock dyno to match the new spring rates to the dampers.

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 GR suspension, a new performance spring has been produced that adds to available bump travel, matches the excellent 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.

These springs will not lower the 2011-2012 STI but will increase handling.
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Brand: Racecomp Engineering
Adjustable: No
Drop Height Front: 0.2in
Drop Height Front Metric: 5mm
Drop Height Rear: 0.2in
Drop Height Rear Metric: 5mm
Includes Bump Stops: Yes
Spring Rate Front: 320lbs/in
Spring Rate Front Metric: 5.7Kg/mm
Spring Rate Rear: 320lbs/in
Spring Rate Rear Metric: 5.7Kg/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.




philturk20998 4 years ago
Grrreeeaaat bang for the buck...what a more feels that im aboutt to launch:)
Verified Purchase

Mostly Satisfied!
Cincy14STiHatch 4 years ago
These are a great improvement over OEM springs. The car feels much more grounded, less body roll, I feel more confident through turns. Not really a noticeable drop in wheel gap but I wasn't going for that! The only thing I don't like about these springs is that they creak over the first few turns and bumps each time I drive and then are fine. I made sure they were seated properly so I'm not sure why they do this!
Verified Purchase

Wow - Must have if no other suspension mods
mike.e.barba97862 4 years ago
I have put tons of other mods into the motor/turbo department when it comes to my 2013 STi and this is the first suspension mod I did with no other additions along with it but an alignment done by Procom Racing in Tom's River, NJ. The ride quality, IMO, increased dramatically over stock. It doesn't feel like you're about ready for liftoff at 65mph anymore - the car feels very planted. It feels like a sports car. The rear suspension is MASSIVELY improved over stock allowing you to really see the handling capabilities of the car. I would recommend these springs to anyone looking for something a little stiffer than stock but still uses the car for their daily. Also - I live in PA and can't have a snow plow in the winter!

very pleased
cbcb6131646 5 years ago
They lowered my WRX a bit more than 3/4 inch, but not too much. They transformed the handling and with Koni shocks there is no more crashing over bumps. Great purchase, I recommend them.
Verified Purchase

much improved cornering grip!
Salad 5 years ago
much improved grip when cutting a corner compared to the stock! highly recommended upgrade for any STi owner that cares about handling! ride quality is still good, can definitely feel more feedback from the road but mum, wife even kids haven't complained...while only 3 yr old son started telling me to take the corner slower since I put them on....

  • Q: Springs  riko 2 months ago


    Will these springs fit on the factory STI struts? If so, can’t they also used with the RCE Bilstien Cup Struts?

    • A: These can be used with both the factory struts or the RCE Bilsteins.

      Marcus E. 1 month ago
  • Q: 2014 WRX  alexr626 4 years ago


    Will it fit my 2014 wrx sedan?

    • A: No, these will not fit your 2014 WRX Sedan. You will need part # RCO RG275BILS

      Brady R. 4 years ago
  • Q: Control arm or camber adjustment needed?  Cincy14STiHatch 4 years ago


    Would any adjustment be needed to bring car back into alignment after these are installed? Thanks

    • A: We recommend getting an alignment done after the install to prevent future, unnecessary damage to the tires.

      guest57853c642a8d25b5018c44a7 4 years ago
  • Q: differences between yellow and black  Dhonn17 4 years ago


    Just want to know the difference between yellow and black spring i have 2009 STI height, stiffness, which one is good DD?

    • A: These springs are less aggressive than the Yellow springs and they will not lower the car as much. The yellow springs are stiffer and drop the car 10mm lower than the Regular Guy springs.

      Zach G. 4 years ago
  • Q: Lowering Height  Bestswat 5 years ago


    How much do these lower a 2011 STi Sedan?

    • A: These springs will not lower the 2011-2012 STI but will increase handling due to the more aggressive spring rate.

      Sterling W. 5 years ago