Elevate your 2017-2020 Honda Civic Si with the TruControl by Stillen Inline Power Module! Stillen is thrilled to introduce this innovative enhancement, meticulously designed to effortlessly enhance your Honda Civic's performance.

By seamlessly integrating the Power Module into the factory wiring harness and optimizing crucial parameters, we unleash increased boost pressure, delivering significant power and torque gains across the entire power band. And the best part? You'll be up and running in just 15 minutes without the need for any special tools, splicing, or soldering.

But that's not all - we also provide tailor-made tuning files for Stillen performance products. With our expert tuning options, you can fine-tune your Honda Civic Si's performance to align perfectly with your individual driving preferences.

Here's even more good news - the TruControl by Stillen Inline Power Module won't impact your factory warranty! As long as you remove the product before visiting the dealership for service, your warranty remains fully intact. So, you can relish the advantages of enhanced power and performance without any concerns.

The TruControl by Stillen Inline Power Module represents your opportunity for the most straightforward and cost-effective horsepower upgrade available for your Civic. Embrace the transformation and unlock your car's true potential today!

Features and Benefits:

• Plus 35 flywheel Horsepower gain
• Plus 33 ft. lbs. Torque gain at the wheels
• Fits Sedan, Coupe, and Hatchback models
• Very easy installation; Does not alter the factory ECU
• Bluetooth integration
• Free app with smartphone integration
• No wiring or specialty tools required
• Easy removal and reversible to maintain factory warranty
• Over-the-air Custom Tuning file for Stillen aftermarket parts (exhaust, intake, etc)
• Not for sale in California
• Results may vary

The Numbers
From the factory the Honda Civic Si is rated at 205 flywheel horsepower. In stock condition, our dyno measured 174.5 HP at the wheels. After installing our TruControl by Stillen Inline Power Module the dyno reported back a maximum wheel numbers of 209 horsepower(Plus 35 whp) and torque exceeding 246 foot pounds(Plus 33 wtq). Making the wheel horsepower greater than the factory flywheel horsepower.-Results may vary

Easy to Use

• With the engine on or with the key on, you can go through and (Minus/Plus) select which calibration you want to run at any point in time. You can use the Tuning: Pro App which also controls and resets all calibrations based on what you input in the application.
• The TruControl by Stillen Inline Power Module comes preloaded with up to 7 different maps for your Honda Civic Si. These maps are going to range anywhere from Race mode to Sport mode to Eco mode.