How to increase horsepower on WRX?
Increasing the horsepower of a Subaru WRX can be achieved through a variety of modifications and upgrades. Whether you're looking to boost performance for better acceleration, top speed, or just for the thrill of more power, there are several effective ways to get more horses under the hood of your WRX.
Upgrade the Turbocharger
One of the most impactful modifications for increasing horsepower on a WRX is upgrading the turbocharger. The stock turbo on the WRX is capable, but a larger, high-flow turbocharger can significantly increase the engine's power output. Upgrading the turbo can add 50-100 horsepower or more, depending on the specific turbo model and other supporting modifications.,p>
Install a High-Flow Exhaust System
Another effective way to boost horsepower is by installing a high-flow exhaust system. The stock exhaust on the WRX can restrict airflow, limiting the engine's ability to breathe. Upgrading to a larger-diameter, less restrictive exhaust system can free up 20-40 horsepower.,
Optimize the Engine Management System
The engine's computer, or ECU, plays a crucial role in managing the air/fuel ratio and ignition timing. Flashing the ECU with a performance tune can unlock additional horsepower by adjusting these parameters for increased power output. A proper ECU tune can add 30-60 horsepower, depending on the other modifications.,
Intake Upgrades
Improving the airflow into the engine is another key step for increasing horsepower. Installing a high-flow air intake system can allow more air to enter the engine, resulting in a power increase. Upgrading the intake can provide an additional 10-20 horsepower.
Other Modifications
While the above are some of the most effective ways to increase horsepower on a WRX, there are other modifications that can also contribute to a power boost, such as:
- Upgrading the fuel system (fuel pump, injectors, etc.)
- Improving the cooling system (larger radiator, better fans, etc.)
- Strengthening the engine internals (pistons, rods, etc.)
- Optimizing the ignition system (spark plugs, coils, etc.)
It's important to note that the specific power gains from each modification may vary depending on the individual vehicle, driving conditions, and the combination of upgrades. It's always recommended to consult with a professional tuner or mechanic to ensure the modifications are properly installed and tuned for maximum performance and reliability.
How to increase horsepower in WRX?
4- Performance Tuning: WRX Cold Air Intakes
Adding a cold air intake can significantly boost horsepower and torque. Taking the upgrades further with an axle back exhaust system also enhances the distinctive boxer engine growl, providing an exhilarating driving experience.
How much HP is a 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 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 horsepower can you put in a WRX?
With simple bolt-on parts (bolt-on meaning you don't have to take apart the actual block or heads), we can increase the horsepower of the WRX (either standard or STI) to over 400. This will make the car quite quick. Of course, remember that the car is a complete system.
How much HP does Stage 1 add WRX?
Power Gains
| Stage1 91 | 93 Values | |
|---|---|---|
| Peak TQ Increase | 18.6% | 336.0 @ 3160rpm vs 273.8 ft-lb @ 2920rpm |
| Peak HP Increase | 4.1% | 293.5 hp @ 5680rpm vs 270.1 hp @ 5510rpm |
| Max TQ | 23.4% | 335.5 ft-lb vs 261.6 ft-lb @ 3200rpm |
| Max HP | 23.1% | 202.5 hp vs 158.3 hp @ 3200rpm |
How much HP does Cobb add to WRX?
Cobb accessport will give approx 25+ hp and 14+ torque. The cold air intake from cobb will not give any more hp gains but will give the intake some noises and make the car seem faster or stronger. The stock intake is roughly good for about 400 hp.
What is the fastest WRX made?
Subaru WRX Project Midnight
It's called the Subaru WRX Project Midnight, it's very black and it packs a Nissan GT-R beating 670 horsepower.
Is a WRX considered fast?
Both options are quick and can move the WRX from zero to 60 mph in around 5.5 seconds.
How much HP will 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.
How much hp does stage 2 add?
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.
