Skip to content
  • Thanks for contacting us! We'll get back to you as soon as possible
A top wide view of Stillen Cat-Back Exhaust System w/ Carbon Fiber Tips for Infiniti Q50 [3.0t] 2016-2024 with white background }
A front view of Stillen Cat-Back Exhaust System w/ Carbon Fiber Tips for Infiniti Q50 [3.0t] 2016-2024 with white background }
A close up view of the tips of the Stillen Cat-Back Exhaust System w/ Carbon Fiber Tips for Infiniti Q50 [3.0t] 2016-2024 with a white background }
A front view of the mufflers of Stillen Cat-Back Exhaust System for Infiniti Q50 [3.0t] 2016-2024 with white background }
}
A close up view of the pipe of Stillen Cat-Back Exhaust System for Infiniti Q50 [3.0t] 2016-2024 with white background }
Brand: StillenSKU / Part #: 504450
Regular price
$1,748.71
Regular price
$2,011.02
Sale price
$1,748.71
Check your purchasing power Apply at checkout
Subtotal: $1,748.71
Stillen Cat-Back Exhaust System w/ Carbon Fiber Tips for Infiniti Q50 [3.0t] 2016-2024
Subtotal: $1,748.71
Not sure it fits? Text us your VIN

Questions before you buy? Talk to a specialist.

Fitment and product questions · 9am–6pm Pacific

Free Shipping

Free standard shipping on orders over $99

Coupon Code on First Order

Coupon Code on First Order

Price Match Guarantee

Price Match Guarantee

Free shipping on $99+ order

Free shipping on $99+ order

30-days Returns

30-days Returns

Learn more about our Price match policy
Overview

Stillen Cat-Back Exhaust System w/ Carbon Fiber Tips for Infiniti Q50 [3.0t] 2016-2024

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

                                                                                                                Fitment Chart:

                                                                                                                Make Model Year
                                                                                                                Infiniti
                                                                                                                Q50 3.0t 
                                                                                                                2016-2024

                                                                                                                 

                                                                                                                  Fitment
                                                                                                                  Shipping & returns

                                                                                                                  Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

                                                                                                                  Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

                                                                                                                  Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

                                                                                                                  Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

                                                                                                                  Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

                                                                                                                  Reviews & questions

                                                                                                                  Others People Also Bought

                                                                                                                  Login Close
                                                                                                                  Close
                                                                                                                  Shopping Cart
                                                                                                                  0 items

                                                                                                                  Thanks for subscribing!

                                                                                                                  This email has been registered!

                                                                                                                  Shop the look

                                                                                                                  Choose Options

                                                                                                                  Recently Viewed

                                                                                                                  Close
                                                                                                                  Edit Option
                                                                                                                  Close
                                                                                                                  Got Questions?
                                                                                                                  Close
                                                                                                                  Back In Stock Notification
                                                                                                                  this is just a warning