FBO B8S4 vs FBO RB turbo 335 e85

S4 is a 6mt with a ss, intake, exhaust, test pipes, APR stg2 tune, pulley, lw wheels, lw brakes f&r, no spare/tools, running 100oct. 335 is also 6mt with a ss, intake, exhaust, test pipes, JB4 on auto tune, fmic, RB turbos, running an e85/ 93 mix with 1 passenger. stock clutch on both cars