STILLEN 2016-2018 Nissan Altima Rear Diffuser [Matte Black] - KB13158MB

Transform the rear of your 2016–2018 Nissan Altima (L33) with the STILLEN Matte Black Rear Diffuser, designed to give the factory rear valance a sporty, race-inspired appearance. This diffuser enhances the lower bumper aesthetic, highlights the factory exhaust cutouts, and pairs perfectly with aftermarket exhausts or additional STILLEN body modifications.

Made from durable polyurethane and finished in matte black, this diffuser installs without cutting or modifying the bumper. Pre-installed 3M automotive tape and included screws ensure a secure and easy installation.

Key Features & Benefits

• Aggressive Race-Inspired Styling – Adds track-ready looks to the rear bumper
• Aerodynamic Functionality – Vertical strakes guide airflow, smooth expansion chamber reduces turbulence and drag
• Enhanced Rear Aesthetics – Widened look draws attention to the rear bumper and complements dual exhaust setups
• Durable Polyurethane Construction – Flexible, resilient, and long-lasting
• Pre-Installed 3M Automotive Tape – Quick and secure installation
• No Cutting or Modifications Required – Removable and vehicle-specific fit
• Painted Matte Black Finish – Ready to install, or can be repainted to match your vehicle
• Limited Lifetime Warranty – Confidence in quality and durability

Vehicle Fitment

Compatible with:

• 2016-2018 Nissan Altima

Why Choose STILLEN KB13158MB?

• Adds a sporty and aggressive stance to your Altima’s rear
• Improves airflow under the vehicle, complementing performance upgrades
• Perfect complement to STILLEN front splitters, side skirts, and roof wings
• Precision molded in-house at STILLEN for exact OE-like fit
• Backed by STILLEN’s Limited Lifetime Warranty