2016-2018 Nissan Maxima Rear Diffuser [Unpainted] - KB12818


2016-2018 Nissan Maxima Rear Diffuser [Unpainted] - KB12818


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Product Features

  • Part Comes Pre-Installed with 3M Automotive Tape (Same as OEM uses)
  • No Cutting or Modification to Bumper - Removable
  • Unpainted - Ready to Prime and Paint
  • Polyurethane Construction
  • Limited Lifetime Warranty


STILLEN Rear Diffuser for 2016-2018 Nissan Maxima [A36] Unpainted



  • Dramatically Improves Visual Appearance of Rear Bumper
  • Race-Inspired Design features Aggressive Fins & Deep Air Channels
  • Widens the look of the rear bumper adding a sexy and sporty look
  • Draws attention to the rear of the car, highlighting the exhaust and driving home the 4DSC Look
  • Compliments the factory exhaust cut out nicely


This diffuser comes RAW and UNPAINTED, ready to be prepped, primed and painted the color of your choice.

Designed to complement the natural lines the redesigned Maxima, the STILLEN Rear Diffuser adds aggressive styling that matches the rest of the body work. The 2016 Maxima diffuser was designed with the STILLEN Stainless Steel Axle Back Exhaust System for 2016-18 Nissan Maxima [A36] in mind so the styling of each complements the other.

This rear diffuser is made of durable polyurethane, and installs without cutting, trimming or altering the Maxima in any way. The part comes with genuine 3M automotive trim foam tape pre-installed onto the diffuser, and the kit includes adhesion promoter to make installation quick and easy. We also include screws to fully secure the diffuser to the rear bumper.

We are offering the Maxima rear diffuser either unpainted or in a painted matte black finish. The painted version arrives ready to install, while the unpainted version can be painted to the color of your choice just like the other STILLEN polyurethane body components. Customers have gone a variety of different routes, including gloss black, color matching the vehicle, dark gray on black vehicles, as well as making the diffuser carbon fiber looking with the help of hydrographics or a vinyl wrap. The options are limitless!

Looks and Performance

The STILLEN 2016-18 Nissan Maxima Rear Diffuser is a nice complement to the car's new styling. The rear diffuser looks right at home underneath the Maxima's factory rear bumper, imparting a performance-oriented appearance


The STILLEN Rear Diffuser is made of sturdy and resilient polyurethane to help ensure durability. It even comes pre-installed with 3M automotive trim foam tape for a fast, easy installation!