STILLEN 2016-2024 Infiniti Q50 [3.0T] Cat Back Exhaust w/ Burnt Tips - 504452

Upgrade the sound, performance, and rear-end styling of your 2016–2024 Infiniti Q50 3.0T with the STILLEN Stainless Steel Cat-Back Exhaust System featuring Burnt-Titanium Tips. Designed, engineered, and manufactured in-house at STILLEN headquarters in Costa Mesa, California, this system delivers class-leading power gains while maintaining daily drivability and refined cruising comfort.

Confirmed Vehicle Fitment

• 2016–2024 Infiniti Q50 3.0T (Twin Turbo V6)
• Rear-Wheel Drive and All-Wheel Drive models
• Non-Hybrid models only

Key Features & Benefits

• Dyno-Proven Performance Gains:
  • +26.3 WHP @ 4,680 RPM*
  • +29.5 WTQ @ 4,680 RPM*
• Burnt-Titanium Exhaust Tips: Aggressive motorsport-inspired finish
• Exhaust Tone: Mild and composed at idle and cruising, aggressive and authoritative under throttle
• 304 Stainless Steel Construction: Mandrel-bent piping for unrestricted exhaust flow
• Direct Bolt-On Installation: No cutting or welding required
• OEM-Compatible Design: Complements the factory rear valance or STILLEN rear diffuser
• Precision Manufacturing: Built and inspected multiple times in-house for perfect fit and quality control
• Limited Lifetime Warranty: Backed by STILLEN’s long-term durability guarantee

Exhaust System Design

• 2.5-inch Y-Pipe: Improves exhaust scavenging and airflow efficiency
• 3-inch Mid-Pipe: Reduces backpressure for increased horsepower and torque
• Dual 2.5-inch Rear Exit: Balanced exhaust flow to dual mufflers
• STILLEN Performance Mufflers: Engineered for maximum flow with controlled sound levels
• 4.5-inch Adjustable Burnt-Titanium Tips: Bolt-on tips allow precise alignment for various bumpers or aero setups

Sound & Driving Experience

The STILLEN Q50 3.0T cat-back exhaust delivers a refined, luxury-friendly tone during everyday driving while unlocking a deep, aggressive exhaust note under acceleration. Improved exhaust flow enhances throttle response, midrange torque, and overall engine efficiency, making the vehicle noticeably more responsive across the powerband.

Why Choose STILLEN?

STILLEN has been at the forefront of Infiniti performance development since the brand’s inception. After extensive R&D and dozens of prototypes, this exhaust system was engineered to eliminate factory restrictions without compromising comfort, fitment, or reliability. The result is one of the most powerful, best-sounding cat-back exhaust systems available for the Infiniti Q50 3.0T.

*Results may vary.