Turbosmart 17-23 Ford Fiesta ST (Mk8) 4inHg V-IWG

If you're looking to get more out of your Mk8 Ford Fiesta ST's turbocharger, a wastegate actuator is a key component to consider. This Turbosmart V-IWG (Vertical Internal Wastegate) actuator is specifically built for the 2017-2023 Fiesta ST, offering a direct replacement for the factory unit. It's designed to hold boost more consistently, which can lead to improved throttle response and more reliable power delivery.

This actuator features a 4inHg spring rate, meaning it's set to open at a slightly higher boost pressure than the stock unit. This allows the turbo to spool up a bit more before the wastegate starts to bleed off boost, potentially giving you a noticeable improvement in low-end torque and overall performance. Turbosmart is known for making well-built forced induction components, and this actuator is no exception. It's constructed with durable materials to handle the heat and pressure found in the turbo system.

Keep in mind that this part cannot be shipped to California due to CARB regulations. For other states, it's a solid option for anyone wanting to fine-tune their Fiesta ST's boost control.