MST Performance Cold Air Intake - A90/A91 Supra 2.0New MST 2021 Toyota Supra A90 A91 V2 Intake System. We've released a V2 for the Supra Intake which has better performance. For the V2, we've added a turbo inlet which has a 3. 5 inch diameter. Also to mention, the crazy sound it makes. The V2 brings improved throttle response & even better performance. Features: Delivers cold air to your turbocharger 4" intake pipe 4" air filter Improved throttle response More aggressive and sporty induction sound