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Exterior Components› Body Panels and Components

Stillen

Rear Bumper Valance Diffuser

Name: Rear Bumper Valance Diffuser
Brand: Stillen
SKU: KB13145MB

$432.78 $376.33 Save $56.45

SKU: KB13145MB

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Overview

The STILLEN Rear Bumper Valance Diffuser is a body styling part designed for the 2013-2015 Nissan Altima. It is constructed from polyurethane and comes in a matte black finish. The diffuser is pre-installed with 3M automotive tape for attachment.

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Personalize your 2013-2015 Nissan Altima with the STILLEN Rear Bumper Valance Diffuser. This aerodynamic and styling enhancement is crafted from a proprietary, durable polyurethane formula, backed by a limited lifetime warranty on materials. The matte black finish provides an aggressive look, and the diffuser comes pre-installed with 3M automotive tape, ensuring an OEM-quality attachment. Proper preparation and careful installation are recommended, and customers are advised to consult installation videos and instructions. For those unsure of their ability, professional installation by a reputable body shop is suggested, emphasizing the use of 3M adhesive prep and Wurth Clean Prep Solution. This rear diffuser is developed and manufactured in-house by STILLEN.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

Brand	Stillen
Part Number	KB13145MB
Category	Exterior Components

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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