What performance upgrades can be made on a 2005 Subaru Impreza 2.5rs?

Asked by Kaden2129 Oct 29, 2019 at 02:12 AM about the 2005 Subaru Impreza 2.5 RS

Question type: Car Customization

I want to make my car perform better in the
near future, I’m wondering if a tune is possible
for it and installing any performance upgrades
are possible. If it changes anything it’s a 5
speed manual.

4 Answers


Anything is possible but you will find that performance parts for your car are largely non existent.


Cobb access port will tune your car if it is turbo.


Very true there are no real performance parts for non-turbo cars. But if you’re looking for some more speed and performance check out the CBI unit. Go to the website inertiatx.com or call


The CVI unit works very well on non-turbo four-cylinder and six cylinders where there are no aftermarket components for those vehicles this helps in acceleration up to and above 100 mph.

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