2009-13 Infiniti G37 Sedan Stainless Cat-Back Exhaust


2009-2013 Infiniti G37 Sedan, 2015 Q40 Stainless Steel Cat-Back Exhaust System - 504377


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Product Features

  • 304 Stainless Steel Construction
  • Fits RWD & AWD Models
  • Polished 304SS Dual Wall Tips
  • Authoratative Tone Under Throttle



  • 19 WHP Increase (horsepower to the wheels)*
  • Gain Torque*
  • Mild note at idle; Cruising- Aggressive note under throttle
  • Compliments the factory exhaust cut out nicely
  • Perfect solution for those who value a more luxurious and quiet cabin feel along with enhanced sound.
  • Delivers an aggressive look that matches the enhanced exhaust note.

*Results May Vary!


2009-2013 Infiniti G37 Sedan, 2015 Q40 Stainless Steel Cat-Back Exhaust System - 504377


Increase performance with the STILLEN Cat Back Exhaust for Infiniti G37 and Infiniti Q40. This exhaust features a Dual split rear exit. This STILLEN Infiniti G37 Exhaust has dual polished tips. The G37 Exhaust improves the sound and increases the performance of the vehicle.


STILLEN's Cat-Back Exhaust System helps drum up substantial horsepower and torque, giving your G37 the extra edge of performance. This Cat-Back Exhaust System is a true Cat-Back System, and is crafted of Mandrel-bent Stainless Steel for a long service life. At idle the STILLEN Exhaust is unobtrusive, and at higher speeds or under throttle, STILLEN's recognizable, performance sound is evident. This is a pleasing tone, authoritative and yet responsible. Not only does this exhaust system have a sharp, show ready look, but it also offers impressive horsepower and torque gains as well as a lifetime warranty and is easy to install.


STILLEN's Cat-Back Exhaust for the Infiniti G37 is built for power. Power that you can feel across the power band with a big gain on top. Mileage gains during highway travel can be expected as you cruise at steady speeds. The free flowing performance mufflers and tips are made out of polished stainless steel for long life. The Stillen fit and finish is second to none. The improved airflow created by the addition of the exhaust is verified by the significant dyno HP increase.

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