Download Turbosmarts Installation Guide Here Download Turbosmarts Data Sheet Here The Turbosmart eSG40 Electronic StraightGate is a compact, electronically controlled external wastegate designed for precise boost control in performance street and motorsport applications. By replacing traditional pneumatic actuation with direct electronic control, the eSG40 allows the ECU to position the wastegate valve accurately and consistently, delivering faster response, improved boost stability, and greater control authority across the entire RPM range. This removes the need for boost reference lines and spring combinations, simplifying plumbing while expanding tuning capability. Built on Turbosmart’s proven StraightGate architecture, the eSG40 offers excellent flow and durability in a compact 40mm package, making it ideal for smaller-frame turbochargers and space-constrained installations. Finished in a durable black anodised coating, it delivers long-term corrosion resistance and a clean, professional appearance. Key Features Electronically controlled external wastegate Compact 40mm StraightGate design Direct ECU-controlled valve positioning Eliminates traditional boost reference plumbing Fast response with exceptional repeatability Ideal for advanced boost strategies Durable black anodised finish Genuine Turbosmart electronic wastegate Available in StraightGate50 StraightGate76 Typical Applications ECU-controlled boost systems Performance street and track vehicles Space-constrained turbo installations Motorsport and competition use Fitment & Installation Notes Requires an ECU capable of electronic wastegate control Professional installation and ECU calibration recommended Ensure turbocharger and exhaust system sizing suits the selected wastegate size If you’re unsure whether your ECU supports electronic wastegate control, please contact us before ordering.
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