Boost Test: Innovate BRZ/FR-S Twin-Screw Supercharger

The Scion FR-S and Subaru BRZ represent the best entry-level, rear-wheel-drive sport compacts on the market. While capable of turning on a dime, most enthusiasts agree the FR-S needs more power. CARB-legal intake and exhaust upgrades can add up to 15 more wheel horsepower, raising the FA20’s output to 180- […]

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Science of Boost, Part 1: Solenoids

Like cayenne pepper on a mushroom risotto, boost pressure is the seasoning in a serving of turbocharged performance. Too little boost hampers performance and produces a bland dish, while too much boost, like too much seasoning, kills your engine and puts you back in the kitchen to start all over. […]

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