RaceChip GTS 5 for Subaru WRX (VA) STI 2.5T 2015-2021

RaceChip GTS 5 for Subaru WRX (VA) STI 2.5T 2015-2021

RaceChip GTS 5 for Subaru WRX (VA) STI 2.5T 2015-2021is a premium chip tuning solution developed to unlock additional engine performance while maintaining everyday drivability. Combining advanced automotive hardware, engine-specific optimization software and intelligent performance management, the RaceChip delivers increased horsepower, higher torque and improved acceleration. Designed and engineered in Germany, RaceChip GTS 5 offers a powerful combination of performance, reliability and convenience. Its Plug & Drive installation allows drivers to upgrade their vehicles without permanent modifications to the factory engine control unit (ECU).

RaceChip GTS 5 for Subaru WRX (VA) STI 2.5T 2015-2021 Performance Gains

Experience the performance potential of your Subaru WRX (VA) with optimized engine output and enhanced driving dynamics. The RaceChip GTS 5 is calibrated for the specific engine application to deliver noticeable improvements in acceleration, pulling power and throttle response.

• Original Engine Power: 309 HP / 227 kW
• Original Engine Torque: 390 Nm
• Additional Horsepower: +76 HP
• Additional Power: +56 kW
• Additional Torque: +106 Nm
• Maximum Power with RaceChip: 385 HP / 283 kW
• Maximum Torque with RaceChip: Nm

These vehicle-specific performance figures demonstrate the potential of chip tuning. Actual results may vary depending on engine condition, fuel quality, environmental conditions and vehicle configuration.

Premium Chip Tuning Technology

The RaceChip GTS 5 combines modern automotive-grade hardware with advanced optimization software. Its engine-specific calibration processes relevant sensor signals to improve performance while working within the engine’s operating capabilities. Unlike generic tuning solutions, GTS 5 uses vehicle-specific software adjustments to provide a balanced combination of power delivery, torque development and everyday driving comfort.

7 Fine-Tuning Mappings for Personalized Performance

The GTS 5 includes 7 fine-tuning mappings, allowing the performance characteristics to be adjusted according to the engine’s response and individual driving preferences. The module is supplied with an engine-specific base configuration. Additional fine-tuning can be performed through the integrated Digital User Interface without specialist tools. This flexibility helps drivers achieve a suitable balance between performance, responsiveness and smooth power delivery.

Optional RaceChip App Control for RaceChip GTS 5 for Subaru WRX (VA) STI 2.5T 2015-2021

With optional RaceChip App Control, drivers can conveniently select between three driving modes using a compatible smartphone.

• Efficiency Mode: Designed for smoother power delivery and potentially more economical everyday driving.
• Sport Mode: Provides stronger acceleration and responsive performance for dynamic road driving.
• Race Mode: Delivers the most performance-oriented tuning configuration.

Additional app functions include returning to the standard tuning configuration, software updates, support-assisted fine-tuning and integration with compatible RaceChip XLR throttle tuning systems. Important: RaceChip App Control is an optional feature and may require an additional purchase. It is not automatically included with every GTS 5 module.

Improved Acceleration and Driving Experience

RaceChip GTS 5 increases available engine torque and horsepower to deliver stronger acceleration and improved pulling power. The additional torque can make overtaking and accelerating from lower engine speeds feel more effortless. Whether driving through the city, travelling on motorways or enjoying winding country roads, GTS 5 provides a more dynamic driving experience without requiring permanent ECU software modifications.

Plug & Drive Installation

RaceChip GTS 5 uses a convenient Plug & Drive installation system. The supplied vehicle-specific wiring harness connects the tuning module to the appropriate engine sensors, eliminating the need for ECU remapping. Installation can generally be completed using the supplied fitting instructions, although installation time and complexity depend on the vehicle. The included stock plug allows the vehicle’s original tuning configuration to be restored when the module is disconnected according to the manufacturer’s instructions.

Engine Protection and Warranty for RaceChip GTS 5 for Subaru WRX (VA) STI 2.5T 2015-2021

RaceChip develops its tuning solutions with consideration for engine-specific operating limits and factory protection mechanisms. The GTS 5 is designed to optimize engine performance while retaining the vehicle’s everyday usability. The RaceChip GTS 5 is offered with a 2-year engine warranty with coverage up to €5,000, subject to the manufacturer’s eligibility requirements, warranty conditions and applicable market restrictions. RaceChip also provides lifetime software updates and a one-time reprogramming option when changing vehicles, subject to technical compatibility and the manufacturer’s service conditions.

RaceChip GTS 5 Vehicle Compatibility

This GTS 5 module is configured for the following vehicle application:

• Manufacturer: Subaru
• Model: WRX (VA)
• Vehicle: STI 2.5T
• Year: 2015-2021
• Fuel Type:
• Engine Capacity: 2457 cc
• Original Power: 309 HP / 227 kW
• Original Torque: 390 Nm
• HSN/TSN:

Before purchasing, verify the vehicle model, production year, engine specification and compatibility information to ensure the correct GTS 5 configuration is selected.

RaceChip GTS 5 Product Specifications

• Brand: RaceChip
• Product Series: GTS 5
• GTIN: 4062009335435
• Tuning Type: Plug & Play performance module
• Fine-Tuning: 7 adjustable mappings
• App Control: Optional
• Software Updates: Lifetime
• Engine Warranty: 2 years, up to €5,000, subject to terms
• Reprogramming: One-time option when changing vehicles, subject to compatibility

What’s Included

• GTS 5 performance module
• Vehicle-specific wiring harness
• 360-degree fixing clips
• Stock plug
• Vehicle-specific installation instructions
• Cable ties
• Optional OBD dongle, depending on the selected configuration

Why Choose RaceChip?

RaceChip GTS 5 offers a premium combination of engine-specific performance optimization, adjustable tuning settings and convenient installation. It is designed for drivers who want increased horsepower and torque without replacing their factory engine management software. With seven fine-tuning mappings, optional smartphone control, lifetime software updates and manufacturer support, RaceChip GTS 5 provides a flexible performance upgrade for the Subaru WRX (VA). Upgrade with RaceChip GTS 5 for Subaru WRX (VA) STI 2.5T 2015-2021and experience stronger acceleration, improved torque delivery and a more engaging driving experience.Images for illustration only. Actual parts supplied may differ depending on vehicle.