Unleash the true potential of your Infiniti Q50 3.0TT with the STILLEN Cat-Back Exhaust System. Designed to maximize horsepower, torque, and sound, this exhaust system is the ultimate upgrade for enthusiasts who crave performance and an aggressive exhaust note.
Key Features
✔ High-Quality 304 Stainless Steel Construction – Built for longevity & durability
✔ Polished 4.5” Bolt-On Tips – Adjustable fitment for perfect alignment
✔ Optimized Exhaust Flow – Mandrel-bent tubing eliminates restrictions
✔ Direct Bolt-On Installation – No cutting or welding required
✔ Limited Lifetime Warranty – Peace of mind for years of performance
Performance Gains
🔥 Greatest Incremental Horsepower Gain: +26.3 HP @ 4,680 RPM*
🔥 Greatest Incremental Torque Gain: +29.5 lb-ft @ 4,680 RPM*
🔥 Fuel Mileage Improvements – Smoother airflow means better efficiency at cruising speeds
*Results may vary based on conditions and supporting modifications
Aggressive Sound with Perfect Balance
✔ Mild Note at Idle & Cruising – Comfort for daily driving
✔ Aggressive Tone Under Throttle – Deep, throaty sound when you want it
✔ Iconic STILLEN Exhaust Note – Tuned for performance without excessive drone
🎧 Want to hear it? Check out a customer's Q50 with the STILLEN Cat-Back Exhaust!
Engineering Excellence
💨 Y-Pipe Design – 2.5” mandrel-bent tubing ensures optimal exhaust scavenging
💨 3” Mid-Pipe – Enhances exhaust velocity for maximum power
💨 Dual Rear Mufflers – STILLEN-engineered for optimal sound and performance
💨 Polished Stainless Tips – 4.5” adjustable tips for a custom look
Available Exhaust Tip Finishes
✔ Polished Stainless Steel – Classic & clean look
✔ Carbon Fiber – Race-inspired aesthetic
✔ Burnt-Titanium Look – Aggressive performance styling