Last Updated on March 2, 2023
Are you a proud owner of an STi? Looking to give your ride that extra boost of power and performance? If you're looking to improve the performance of your STI, one of the best ways to do so is by installing an intake. Below, We will provide recommendations for the best intake for STI.
Disclaimer: As An Amazon Associate I Earn From Qualifying Purchases.
Comparison Table Chart for Best Intake For Sti
Check the top 10 Best Intake For Sti on the market and experience the true potential of your beloved car!
| No | Product | Score | Action |
|---|---|---|---|
| 1 | K&N Cold Air Intake Kit: High Performance | 9.6 | Check Price on Amazon |
| 2 | Mishimoto MMAI-STI-08P Performance Cold-Air Intake Compatible With Subaru WRX/STI 2008-2014 Polished | 9.2 | Check Price on Amazon |
| 3 | Mishimoto MMAI-STI-08RWBK Performance Race Intake Compatible With Subaru WRX/STI 2008-2014 Black | 9 | Check Price on Amazon |
| 4 | Subaru 2002-2018 Subaru Intake Manifold Gasket Set TURBO Impreza WRX STi OEM 14035AA421 Qty 2 Pair Genuine | 9 | Check Price on Amazon |
| 5 | AVCS Intake Cam Sprocket Holding Tool for Subaru Impreza WRX STI Forester XT Legacy GT Baja Turbo (1Pc AVCS Intake Cam Tool) | 9 | Check Price on Amazon |
| 6 | K&N Cold Air Intake Kit: High Performance | 8.8 | Check Price on Amazon |
| 7 | JM Compatible For 02-03-04 Subaru Wrx Sti Ej20 Ej25 Turbo Intake Inlet Silicone Hose Red Color | 8.6 | Check Price on Amazon |
| 8 | AEM 21-863WR Cold Air Intake System | 8.4 | Check Price on Amazon |
| 9 | GrimmSpeed 060053 Cold Air Intake System w/ Red Piping for 2008-2014 Subaru WRX/STI | 8.4 | Check Price on Amazon |
| 10 | JM Turbo intake Hose Fit Subaru 2002-2007 WRX 2004-2014 STI Forester EJ20 EJ25 Turbo charger | 8.4 | Check Price on Amazon |
Benefits and Drawbacks of Intakes for the STI
There are a number of benefits to installing an intake on your car STI, including:
- Increased power and torque
- Improved throttle response
- Reduced heat soak
- A more aggressive engine sound
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However, there are also some drawbacks to consider, such as:
- Increased noise
- Potential for engine damage
- Increased fuel consumption
Choose The Best Intakes for STIs: Reviewed with tips
1. K&N Cold Air Intake Kit: High Performance
- ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
- GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube.
- BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
- IMPROVED ENGINE SOUND: Hear the power under the hood.
- WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
- EASY MAINTENANCE: No filter cleaning required for up to 100,000 miles
- EASY TO INSTALL: Bolt-on power in less than an hour with basic hand tools.
- DYNO TESTED: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required.
- HIGH QUALITY: Made in America.
2. Mishimoto MMAI-STI-08P Performance Cold-Air Intake Compatible With Subaru WRX/STI 2008-2014 Polished
- Direct fit for the 2008-2014 Subaru WRX/STI
- Dyno-proven gains of up to 25 whp and 25 wtq with no tune required
- Aluminum intake pipe features air straightener and CNC-machined MAF housing
- 16% greater filter surface area than stock for bolt-on power in under an hour
- Mishimoto Lifetime Warranty
3. Mishimoto MMAI-STI-08RWBK Performance Race Intake Compatible With Subaru WRX/STI 2008-2014 Black
- Direct fit for the 2008-2014 WRX/STI
- CNC-machined air diverter maintains reliable and consistent MAF readings
- 3″ diameter pipe for large turbochargers and aggressive tunes
- Fits stock or aftermarket induction hoses and front-mount intercooler kits
- Mishimoto Lifetime Warranty
4. Subaru 2002-2018 Subaru Intake Manifold Gasket Set TURBO Impreza WRX STi OEM 14035AA421 Qty 2 Pair Genuine
- Genuine Subaru Engine Intake Gasket set
- Intake Gasket 14035AA421 X2
- 2002- 2014 Impreza Wrx 2004-2018 Sti Turbo
- 2005- 2014 Outback and Legacy GT (turbo)
- 2004-2013 Forester (Turbo) 2004-2006 Baja turbo
5. AVCS Intake Cam Sprocket Holding Tool for Subaru Impreza WRX STI Forester XT Legacy GT Baja Turbo (1Pc AVCS Intake Cam Tool)
- 3-Piece welded construction handles the torque, comparable to factory tool #499977500.
- Perfect tool for cam seal renewal, cylinder head removal, or motor tear downs
- Sprocket specific interface will not round out internal pulley spline like other designs
- Allows for removal of the AVCS intake cam sprockets without damaging the cam or the sprocket
- GUARANTEE – If you’re not 100% satisfied with your trunk cargo cover.
6. K&N Cold Air Intake Kit: High Performance
- ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
- GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube.
- BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
- IMPROVED ENGINE SOUND: Hear the power under the hood.
- WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
- EASY MAINTENANCE: No filter cleaning required for up to 100,000 miles
- EASY TO INSTALL: Bolt-on power in less than an hour with basic hand tools.
- DYNO TESTED: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required.
- HIGH QUALITY: Made in America.
7. JM Compatible For 02-03-04 Subaru Wrx Sti Ej20 Ej25 Turbo Intake Inlet Silicone Hose Red Color
- DUE TO COVID-19, AMAZON PRIME SERVICE MIGHT BE DELAYED OR UNAVAILABLE.
- Brand new hose, Highest quality, hassle-free return.
- Fit: 2002-2007 Subaru Impreza Wrx Sti Forester, Color: red.
- 4-Ply Nylon for Strong Reinforcement. 4mm Thickness.
8. AEM 21-863WR Cold Air Intake System
- to increase horsepower and torque
- mandrel-bent aluminum intake tube paired with an oversized dry air filter
- engineered to provide high airflow and exceptional filtration
- replaces factory air filter and intake tube
- dryflow oil-free filter only requires cleaning every 100, 000 miles under normal highway driving conditions.
- Fit type: Vehicle Specific
9. GrimmSpeed 060053 Cold Air Intake System w/ Red Piping for 2008-2014 Subaru WRX/STI
- Hybrid Cold Air/Short Ram Design – Combining the advantages and eliminating the negatives of both traditional intake designs.
- Air straightener – Dimensionally mimics the factory configuration for accurate MAF sensor readings
- MAF sensor location – Inside heat shield, isolated from engine bay heat
- Custom reusable high flow air filter – Integrated velocity stack entrance smooths incoming air
- 30min Installation
10. JM Turbo intake Hose Fit Subaru 2002-2007 WRX 2004-2014 STI Forester EJ20 EJ25 Turbo charger
- DUE TO COVID-19, AMAZON PRIME SERVICE MIGHT BE DELAY OR UNAVAILABLE.
- Brand new turbo charger intake hose
- Intake hose compatible with Subaru 2002-2007 WRX STI Forester EJ20 EJ25 Intake silicone hose
- High quality silicone turbo charger intake hose
Installation tips for STI intakes
Installing a new intake system on your STI can be a rewarding experience. However, it's important to follow proper installation procedures to ensure optimal performance and longevity. Here are some installation tips to help you get started:
- Read the installation instructions thoroughly before beginning the installation process. Familiarize yourself with the steps and gather all necessary tools and hardware.
- Ensure that the vehicle is parked on a level surface and the engine is cool before starting the installation.
- Disconnect the negative battery terminal to prevent any electrical issues during the installation process.
- Remove any components that may obstruct the installation, such as the stock airbox or intake piping.
- Install the new intake system according to the manufacturer's instructions. Take your time and make sure all connections are secure and properly aligned.
- Double-check all clamps, fittings, and hoses to ensure a tight and leak-free installation.
- Reconnect the negative battery terminal and start the engine to ensure proper functionality.
- Once the installation is complete, take the vehicle for a test drive and monitor for any abnormal noises or performance issues.