Quote:
Originally Posted by Ernest72
The only reason the STI was faster than the WRX is because it had a red manifold.
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Lmao
But ya the real difference between new engine and older engine (*minus the new new intake/header) is that they have new surface treatment on the cam lobe, valve, piston etc + reinforce the block itself.
I'm pretty sure the 2018+ models (*2017 in NA) is more tuner friendly if you are looking to FI it. Just nobody know how much more it can take comapre to the older engine.
