2014-15 Infiniti Q50 3.7L Stainless Cat-Back Exhaust
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2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440
2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440

Stillen

2014-15 Infiniti Q50 3.7L Stainless Steel Cat-Back Exhaust System- 504440

504440
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Product Features

  • 304 Stainless Steel Construction
  • Polished 304SS Dual Wall Tips
  • Fits Non-Hybrid and Hybrid Models
  • Compatible with AWD and RWD drivetrains 
  • Limited Lifetime Warranty

Overview

STILLEN Cat Back Exhaust for 2014-2015 Infiniti Q50 3.7 - 504440

BENEFITS:

    • Increase Horsepower
    • Gain Torque
    • Mild note at idle
    • Aggressive note under throttle
    • Compliments the factory exhaust cut out nicely.
    • Delivers an aggressive look that matches the enhanced exhaust note.
    • Bolt-On Installation
    • Made in U.S.A.

     


      STILLEN has long been associated with Infiniti tuning parts, creating high performance products, and meticulously crafted exhaust systems that have proven time and again to produce the maximum horsepower possible. With the introduction of the 2014 Infiniti Q50, STILLEN immediately went into R&D utilizing their many years of experience with VQ engines, and the results are fantastic.


      The STILLEN Q50 cat-back exhaust system has an aggressive tone under hard acceleration, but mellow during cruising, with that unmistakable STILLEN sound. The free flowing performance mufflers and tips are constructed of 304 Stainless Steel for long life, and includes a limited lifetime warranty. The piping is mandrel bent for smooth flow, and fuel mileage gains can be expected at cruising speeds.


      Customer Reviews

      Based on 1 review Write a review

      Customer Reviews

      Based on 3 reviews
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      A
      Adam OGorman

      My stock exhaust with muffler delete was definitely louder but this exhaust has such a nice tone to it and and u can feel the increased horsepower and torque

      B
      Brandon Graber

      not as loud as expected but still loud but not obnoxious and very good sound quality and very easy install at home

      J
      Julian Fowler
      Exactly what I was looking for

      I was looking for an exhaust for my 2015 Q50 that would be loud when I was accelerating and quite when I'm cruising, and man does Stillen deliver. This cat-back has the perfect balance between being quiet and being loud with a good note to it. When you are cruising down the road or the freeway at low rpm's, you wouldn't even be able to tell if you have a cat-back, but when you give it some gas and are over 3k rpm it sounds absolutely amazing. What's really crazy is that there is hardly any drone to it, I only ever notice any when I am slightly accelerating in fifth gear and not going fast enough for the car to downshift automatically, but this can be easily fixed by driving in manual mode and shifting into fourth. If you are looking for the loudest exhaust then this probably isn't the one for you, but if you want something that will be able to give a daily driver two different personalities then this is the one. I couldn't recommend this more.

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