High boost pulley on c38 is probably a big no no without a built motor. Reg pulley on c38 is more than enough with injectors and tuning.
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2013 Scion Frs AT in Whiteout, Borla UEL header, Greddy SP Elite AxleBack. Kraftwerks C38 Supercharger tuned by Moto East and 2 kid seats in the back.
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