A great entry-level upgrade for EJ257-powered Subaru STI (2008–2021) owners looking for a simple, effective power increase without major modifications. This package enhances airflow, reduces backpressure, and improves throttle response, making it the perfect first step in modifying your STI for more power while keeping daily drivability intact.

• Cobb Accessport V3 – Required for tuning, real-time data monitoring, and logging (If not already owned)
• Cobb Intake with Airbox – Improves airflow, induction sound, and turbo response
•  Invidia Catted Downpipe – Reduces backpressure, enhancing turbo efficiency
• Cat-Back Exhaust (Optional but Recommended) – Improves exhaust flow and enhances sound)

• Improved throttle response & turbo spool
• More aggressive sound & better exhaust flow
• Reliable and street-friendly power gains

• 91 Octane required
• Power figures are estimated at the crank and may vary based on dyno conditions, and vehicle health, we run a Mustang Dynamometer which tends to read 15%-20% LOWER
• Custom tuning required
• For your cars sake , vehicle must pass a Pre-dyno inspection 
• Recommended: TGV Deletes, Air Pump Deletes, Oil Pan & Pickup Upgrades for improved reliability