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Old 06-01-2017, 01:44 PM   #1
WRCRob
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2016 Impreza Sport
Quartz Blue Pearl

At the Track 2012-2016 Impreza Suspension and brake upgrades

I have a 2016 Impreza Sport 5mt and I have looked through the various threads regarding the GJ/GP series Impreza's and I am a bit confused. If the vast knowledge base of Nasioc could help me I would appreciate it.
  • Are the brake pads and braided lines compatible with those of the 08-14 WRX?
  • 08-14 WRX Coilovers fit and function with no Modifications, but do the GTWorx/RCE Bilsteins and springs work?
  • Does anyone know the spring rates of the factory impreza springs?
  • Any pictures/reviews of the STi "Pink" springs for this chassis?
  • Is there a non invasive way to kill the VSC in the car ala the STI VSC?
  • With 04 STi BBS wheels can I put TPM sensors to work with my car?

I have been trying to do small modifications to the car to increase its fun to drive qualities and make it a bit more capable at the 1 or 2 track events I go to each year. To this end I have already done an STI 20mm rear swaybar and a short throw shifter. I previously had an 05 STi that I loved and had built to be a great track car, but my life situation changed and I traded it for my new 2016 Impreza Sport last August.

Thanks for the help and happy driving everyone!
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Old 06-25-2017, 04:28 AM   #2
Scorpia14
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Default Bumping for interest

Bumping with a 2013 impreza hatch
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Old 06-25-2017, 07:43 AM   #3
drpoop
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Semi metallic brake pads will give you the same grippier brake feel as any $600+ big upgrade to the brakes. I can guarantee you your current brakes are as good as they need to be, so you must be looking for upgraded feel. Semi metallic pads do exactly that and cost less than a set of ceramic pads you would normally replace them with. The spring rates should be similar to the 2010-2012 WRX if you feel like looking those up, but even that's hard to find.

The only way to kill the stability control is to pull the fuse, really stupid idea to do that on the roads though because then all you're doing is ensuring you're getting charged with causing an accident if you ever get into one and they find out you disabled safety systems in your car, and ruining your tires if you ever brake hard because the ABS is deactivated. If you want to do it on the track, again, you have to pull that fuse. But it's really easy to wire up a switch to that fuse if you want to do that too.
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Old 06-26-2017, 02:58 AM   #4
Pelco
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https://www.sti.jp/parts/impreza5door_gp/ has some images of the STI pink springs.
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Old 06-26-2017, 07:38 AM   #5
drpoop
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Pretty sure STI springs don't fit the GP.
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Old 07-25-2017, 07:56 AM   #6
WRCRob
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Thanks for the info @drpoop, the sti pink springs that were linked are for the gp impreza chassis. however i have no idea why they say not for 5mt. there is no suspension differences between a cvt and 5mt.
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Old 07-29-2017, 08:12 AM   #7
Scorpia14
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What year STI is your sway bar in the rear?
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Old 07-29-2017, 11:57 AM   #8
WRCRob
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Quote:
Originally Posted by Scorpia14 View Post
What year STI is your sway bar in the rear?
It is from a 2015+ STI. Long story short I got it for free because my radio died within 2 hours of me getting the car. So the dealership asked what would make me happy and I said that I wanted a working radio that day and the rear swaybar off a 2015 STI. It's a direct bolt in if you also get the bushings. Went from a 16mm to a 20mm and it made a good difference but the springs & Dampers really let the car down.
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