Stillen Exhaust System Kit for 2015 Infiniti Q40

Normally ships in 2-4 business days.
Shipping & handling:  $50.00

Every product and merchandise that STILLEN produces and provides is thoroughly tested and modified to ensure top quality. Making modifications with time has always been Steve Millens Motto, and that is precisely how STILLEN operates its business. Highly reputable enthusiast magazines have sought Steve's expertise for testing the best sports cars the world has to offer, which only goes on to show the high level of refinement and scrutiny the STILLEN'S products go through. You will find endless ravings about STILLEN products on famous enthusiast magazines like Super Street, the Smoking Tire, Road and Track, Car and Driver, and Motor Trend among many others.

  • 304 Stainless Steel Construction.
  • Fits RWD & AWD Models.
  • Polished 304SS Dual Wall Tips.
  • Increase of 19 HP On the Dyno.
  • Authoratative Tone Under Throttle.
  • 2009-2013 Infiniti G37 Sedan, 2015 Q40 Stainless Steel Cat-Back Exhaust System.

Installation Notes:

Professional installation is required.

Fitment & Application:

More Information
Part NumberSTI-504377
Shipping MethodUPS/FedEx/USPS Ground
AvailabilityNormally ships in 2-4 business days.
Will-call/Pick-up inCosta Mesa, CA
California Prop 65 Warning

  This product can expose you to chemicals that are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, visit

Write Your Own Review
You're reviewing:Stillen Exhaust System Kit for 2015 Infiniti Q40
Your Rating