[zax]

Thanks so much for the info... drove the limited wrx today... its quick it seemed very fun and comfortable but that stereo... wow is it bad... I didnt spend a ton of time playing with it but it just sounds like distorted speakers that are covered in mud... is that really the top of the line stereo for Subaru? Is there anyway u guys found to make it sound somewhat better? Replacing the speakers and sub? Add a new sub? I'm not even sure that headunit is worth salvaging...

IMO, most of the stereo woes on WRX and STi are due to the head unit -- the speakers are not as awful as the sound might suggest. If you are a true audiophile, you might want to replace the whole shebang.

Check out OEM Audio+ : Pricey, but I appreciate solid R&D.

https://oemaudioplus.com/subaru/subaru-options/

 

[zax]

get sti power doesnt seem to take a whole lot out of the wrx and wouldn't be anywhere near 4k

What's the point of power if you can't put it to the ground?

 

[zax]

The sti also has better control and distribution of that power.

That was my point.

 

[zax]

If you just need to get the power to the wheels the wrx drivetrain is fine. If you want to be able to dial in that power, the STi DCCD gives you some control over how that power gets to the wheels.
This has always been the case, and one of the biggest pros for the STi if you are going to track the car. For daily driving, most people set and leave the setting. Besides, the STi typically has more drivetrain loss than the WRX, I know Subaru revamped the new STi drivetrain, so I'm not sure this is still true.

the EJ247 has a timing belt. It's due at 105k.

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The STI system is far more effective at putting power to the ground in all situations -- not just when you want to manually override the setting.

The front LSD enhances the capability of the faux torque-vectoring ATV solution
The electromagnetic center clutch responds faster and with greater torque transfer capability than the viscous LSD in the WRX
The missing rear LSD in the WRX is a criminal oversight

The major advantages have little to do with the minor detail of adjusting the center differential lockup bias. The STi does have greater drivetrain loss, yes, but IMO this is more likely due to the much greater rotational mass than the LSDs themselves.

 

[zax]

ELH + twinscroll turbo will help some, but the high CR would remain exclusive to the FA20

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