Quote:
Originally Posted by phenom86
They've used the same technology from their EVO X filters and made it available for the FRS/BRZ. On the EVO X this filter made 18+hp and 13+tq, they used the way it was constructed with multilayer 100% cotton fabric (not gauze) in stainless steel mesh reinforcement (not mild steel or aluminum). I cant copy and post the dyno results from their website but that was my car bone stock running on 76's 91 oct with the TSB chirping issue.
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That's a turbo engine...of course mods make bigger numbers on a turbo engine.