For the supercharger unreliable. That is just a Scion tC thing. TRD has had MAJOR issues with the supercharger. I am on my second.
And I know 3 people personally who have gone through 3 EACH. All different shops installing them.
As far as how much boost for a tC. People have done up to 14PSI, without doing anyhting internally. but that isnt the norm. Usually 11-12 PSI is the limit. That is turbo tho.
Supercharged, it can handle more because it isnt a sudden boost, and its only at redline so the engine isnt stressed through the entire RPM range.
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TRD Supercharger
Custom 2 Tone Paint
Kaminari Body Kit
Enkei wheels
Custom Fiberglass trunk
Navigation
Corbeau A4 Seats
AND MUCH MORE
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