Description
Elevate the performance of your 2017-2020 Honda Civic Si with the STILLEN TruControl Inline Power Module (TC103002). Designed to seamlessly integrate into your Civic’s factory wiring harness, this state-of-the-art module optimizes key engine parameters, increasing boost pressure and delivering measurable gains in both power and torque across the entire power band. Installation is quick and simple—up and running in just 15 minutes, with no special tools, splicing, or soldering required.
In addition, STILLEN offers custom tuning files for use with our performance components, allowing you to fine-tune your Civic Si for your preferred driving style. And the best part? The TruControl module is fully reversible, so your factory warranty remains intact when removed for dealership service.
This module represents the simplest, most cost-effective way to increase horsepower and torque on your Civic Si. Unlock your car’s full potential today!
Vehicle Fitment
- 2017-2020 Honda Civic Si
- Sedan, Coupe, and Hatchback models
Features and Benefits
- +35 flywheel horsepower gain*
- +33 ft. lbs. torque gain at the wheels*
- Very easy installation – does not alter the factory ECU
- Bluetooth integration with free smartphone app
- No wiring or specialty tools required
- Easy removal and fully reversible to maintain factory warranty
- Over-the-air custom tuning files for Stillen aftermarket parts (exhaust, intake, etc.)
- Not for sale in California
*Results may vary
Performance Numbers
- Stock Honda Civic Si: 205 flywheel HP
- Stock dyno wheel output: 174.5 HP
- With TruControl Inline Module: 209 WHP (+35 WHP) and 246 ft. lbs torque (+33 ft. lbs)*
Gains are most notable across the mid-range, providing enhanced acceleration, throttle response, and passing power, while retaining full reliability and factory safety parameters.
Easy to Use
The TruControl module comes preloaded with up to 7 tuning maps ranging from Race Mode, Sport Mode, to Eco Mode. You can switch calibrations on-the-fly with the Tuning: Pro App, which also allows you to control and reset all calibrations as needed.
