How much HP is a stage 1 WRX?
A stock Subaru WRX in its base trim level typically produces around 268 horsepower (HP) from the factory. However, with a simple Stage 1 tune, the output can be increased to around 300-320 HP, depending on the specific modifications.
Understanding the Subaru WRX and Its Tuning Stages
The Subaru WRX is a high-performance compact sports car known for its turbocharged boxer engine, all-wheel-drive system, and rally-inspired design. The WRX is often a popular platform for enthusiasts to modify and tune, with various performance stages available to increase power and drivability.
Stage 1 WRX Modifications
A Stage 1 tune for the Subaru WRX typically involves the following modifications:
- Reflash the engine control unit (ECU) with a custom tune
- Install a high-flow air intake system
- Potentially upgrade the exhaust system
These relatively simple modifications can unlock an additional 30-50 HP over the stock WRX, bringing the total output to around 300-320 HP. The increased power is achieved by optimizing the air/fuel mixture, ignition timing, and other engine parameters through the ECU tune.
Factors Affecting Stage 1 WRX Power Output
The exact power output of a Stage 1 WRX can vary depending on several factors, including:
- The quality and tuning of the ECU reflash
- The specific air intake and exhaust components used
- The overall condition and modifications of the engine
- Environmental factors like altitude and temperature
It's important to note that the power gains from a Stage 1 tune are typically modest compared to more extensive modifications, such as upgrading the turbocharger or other major engine components. However, a Stage 1 tune is often a popular and cost-effective way for WRX owners to unlock additional performance without significantly altering the vehicle's core systems.
How much HP is Stage 1 WRX?
Power Gains
| Stage1 91 | 91 Values | |
|---|---|---|
| Max TQ | 23.4% | 323.2 ft-lb vs 261.9 ft-lb @ 3190rpm |
| Max HP | 23.1% | 194.5 hp vs 157.9 hp @ 3190rpm |
| Average TQ | Stock 253.1 ft-lb | Tuned 276.4 ft-lb |
| Average HP | Stock 189.4 hp | Tuned 210.3 hp |
How much HP does Stage 4 add?
CI this stage 4 Kit was engineered. And tested as a complete collection of high performance components by the Screaming Eagle pros at Harley-Davidson.
How much HP does stage 4 add?
CI this stage 4 Kit was engineered. And tested as a complete collection of high performance components by the Screaming Eagle pros at Harley-Davidson.
How much HP is stage 2 WRX?
Power Gains
| Stage2 91 | 93 Values | |
|---|---|---|
| Peak HP Increase | 12.0% | 275.3 hp @ 5430rpm vs 234.8 hp @ 5640rpm |
| Max TQ | 37.3% | 320.6 ft-lb vs 223.0 ft-lb @ 3150rpm |
| Max HP | 36.6% | 191.1 hp vs 133.8 hp @ 3170rpm |
| Average TQ | Stock 221.6 ft-lb | Tuned 320.8 ft-lb |
How much HP does stage 1 add?
Most Stage 1 type modifications are typically in the +10-15% power increase over stock. Stage 2: this is typically referred to an engine with a performance cam upgrade as well as the other components within a Stage 1 combination. A typical Stage 2 has generally +20-25% more HP than stock.
Is Stage 1 tuning good or bad?
Contrary to the misconception that performance enhancements always come at the cost of fuel efficiency, a Stage 1 Remap can improve your vehicle's fuel economy. The optimised fuel mapping ensures that the engine operates more efficiently, potentially saving you money on fuel in the long run.
How much HP is Stage 3?
Typically, a stage 3 tune can result in a horsepower increase of anywhere from 20% to 40% over the stock figures. For some cars, this might mean an additional 50 HP, while for others, it could mean an increase of 100 HP or more. The starting horsepower of the vehicle plays a significant role.
How much HP is stage 1 wrx?
Power Gains
| Stage1 91 | 91 Values | |
|---|---|---|
| Max TQ | 23.4% | 323.2 ft-lb vs 261.9 ft-lb @ 3190rpm |
| Max HP | 23.1% | 194.5 hp vs 157.9 hp @ 3190rpm |
| Average TQ | Stock 253.1 ft-lb | Tuned 276.4 ft-lb |
| Average HP | Stock 189.4 hp | Tuned 210.3 hp |
How many HP is Stage 2?
A stage 2 remap often unlocks a significant boost in both horsepower and torque, offering a more responsive and powerful engine. It is not uncommon to see power gains anywhere from 20-50 BHP (Brake Horse Power) or even more, depending on the vehicle's initial performance metrics.
What does stage 1 do to WRX?
Stage 1 is typically just a tune (and maybe an intake) to get a bit more power over the stock tune.
