STILLEN 2016-2018 Infiniti Q50 [2.0T] Axle Back Exhaust System w/ Polished Tips - 504443

Upgrade the sound, appearance, and performance of your 2016–2018 Infiniti Q50 2.0T with the STILLEN Stainless Steel Axle-Back Exhaust System. Designed to deliver a more aggressive exhaust tone under throttle while maintaining refined manners during daily driving, this system provides the signature STILLEN balance of performance and luxury.

Confirmed Vehicle Fitment

• 2016–2018 Infiniti Q50 2.0T
• Fits Non-Hybrid and Hybrid models
• Sedan models only

Key Features & Benefits

• Performance Gains: Increases horsepower and torque*
• Exhaust Tone: Authoritative and aggressive under throttle, controlled and refined during cruising
• Axle-Back Configuration: Improves sound and performance without replacing the entire exhaust system
• 304 Stainless Steel Construction: Mandrel-bent piping for durability and improved exhaust flow
• Polished 304 Stainless Steel Dual Wall Tips: Enhances rear-end appearance and complements factory exhaust cutouts
• Bolt-On Installation: Direct-fit design with no cutting or fabrication required
• Fuel Efficiency: Improved exhaust flow may result in increased MPG during steady cruising
• Made in the U.S.A.: Manufactured in-house at STILLEN facilities
• Limited Lifetime Warranty: Built for long-term reliability and confidence

Sound & Driving Experience

The STILLEN Q50 2.0T axle-back exhaust transforms the driving experience by adding a deeper, more engaging exhaust note when accelerating, while remaining unobtrusive during light throttle and highway cruising. Free-flowing performance mufflers reduce restriction, improving throttle response and overall exhaust efficiency without introducing excessive cabin drone.

Why Choose STILLEN?

With decades of Infiniti-specific performance development, STILLEN exhaust systems are engineered to extract meaningful performance gains while preserving refinement. This axle-back system is an ideal upgrade for Q50 2.0T owners seeking enhanced sound, improved flow, and premium construction without sacrificing everyday drivability.

*Results may vary.