The IS300 SRT High Flow Intake system adjusts the air-fuel ratio to optimal settings in conjunction with a high flow Intake system. The stock intake system from Lexus has deficiencies in supplying air needed by the engine. Swift Racing is proud to present the first ever High Flow Air lexus Intake for the Lexus IS300. Only Intake system that Modifies the ECU that recalibrates the air-fuel ratios for optimal performance and enhanced fuel economy. Soldiering is required. Performance gains: +30HP and +40ft/lb torque. MSRP: $695 Shipping is typically 1 week Delivery.