STILLEN 2019-2021 Nissan Maxima Rear Diffuser [Matte Black] - KB12846MB

Transform the rear of your 2019–2021 Nissan Maxima with the STILLEN Matte Black Rear Diffuser. Designed to enhance the natural lines of your Maxima, this diffuser features a race-inspired look with aggressive fins and deep air channels, giving your rear bumper a bold and sporty appearance.

Constructed from durable polyurethane, this diffuser is both resilient and flexible. The matte black finish arrives ready to install, eliminating the need for painting while ensuring a clean, performance-oriented aesthetic.

Installation is quick and secure thanks to pre-installed 3M automotive trim tape and included screws. No cutting or modifications to your bumper are necessary, making it an easy upgrade for a factory-style, aggressive look. Pair with STILLEN front splitters, side skirts, or other rear aero components to complete the aggressive Maxima 4DSC styling package.

Key Features & Benefits

• Race-Inspired Design – Aggressive fins and deep air channels for a sporty, performance-oriented look
• Durable Polyurethane Construction – Flexible, long-lasting, and impact-resistant
• Matte Black Finish – Arrives pre-painted and ready to install
• OEM-Style Fitment – Precision molded to integrate seamlessly with your rear bumper
• Pre-Installed 3M Automotive Tape & Screws – Fast and secure installation
• No Cutting or Modifications Required – Protects your factory bumper
• Limited Lifetime Warranty – Confidence in quality and durability

Vehicle Fitment

Compatible with:

• 2019-2021 Nissan Maxima

Why Choose STILLEN KB12846MB?

• Dramatically improves the rear aesthetics with a race-inspired look
• Durable polyurethane construction built to last
• Matte black finish ready for direct installation
• Works seamlessly with other STILLEN Maxima aero components
• Backed by STILLEN’s limited lifetime warranty