The Performance Package 350HP is the perfect first step for STI owners looking for better throttle response, improved airflow, and increased turbo efficiency. This package is daily-driver friendly while providing noticeable performance gains over stock.

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

• 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)

• 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