4PCS Universal Rear Bumper Lip Diffuser Shark Fins Flat & Arc Style Diffuser

Enhance your vehicle's rear styling with this 4PCS Universal Rear Bumper Lip Diffuser Shark Fin Kit, available in Flat or Arc styles. Manufactured from premium automotive-grade ABS plastic, these diffuser fins add an aggressive motorsport-inspired appearance while helping protect the lower rear bumper from minor scratches and scuffs. Finished in a sleek black color, they blend seamlessly with most vehicles and provide an OEM-inspired look with easy peel-and-stick installation.

Key Features

• Universal fit for most cars, SUVs, and trucks.
• Available in Flat and Arc styles.
• Includes 4 rear diffuser shark fins.
• Premium automotive-grade ABS plastic construction.
• Durable matte black finish.
• Lightweight yet impact-resistant.
• Weather-resistant, UV-resistant, and corrosion-resistant.
• Helps protect the lower rear bumper from light scratches and scuffs.
• Adds an aggressive performance-inspired appearance.
• Easy peel-and-stick installation using automotive-grade adhesive (some applications may also use screws for additional security).

Why Choose Our Rear Diffuser Shark Fins

Give your vehicle a cleaner, sportier rear profile with these universal bumper diffuser fins. Designed with an OEM-inspired appearance, they provide an affordable styling upgrade while offering additional protection for your rear bumper during daily driving.

Compatible Applications

Suitable for most:

• Sedans
• Hatchbacks
• Coupes
• SUVs
• Pickup Trucks
• Crossovers
• Performance Vehicles

Compatible with most rear bumpers that have sufficient flat mounting space.

Please compare your rear bumper shape, available mounting space, and the product dimensions before purchasing to ensure proper fitment.

Perfect For

• Rear bumper styling
• Diffuser appearance upgrade
• Exterior customization
• Rear bumper protection
• Performance-inspired builds
• Vehicle restoration
• Car enthusiasts

Installation Instructions

1. Clean and completely dry the mounting surface.
2. Test-fit each shark fin before removing the adhesive backing.
3. Mark the desired installation position for even spacing.
4. Peel off the protective film from the automotive-grade adhesive.
5. Press each fin firmly into place for 30–60 seconds.
6. For high-speed driving or additional security, optional screw installation is recommended if supported by your bumper.
7. Avoid washing the vehicle for at least 24 hours after installation.

Product Specifications

• Product Type: Rear Bumper Diffuser Shark Fin Kit
• Quantity: 4 Pieces
• Style: Flat / Arc (Varies by Selected Option)
• Material: Premium Automotive-Grade ABS Plastic
• Color: Black
• Function: Rear Bumper Styling & Protection
• Placement: Lower Rear Bumper
• Fitment: Universal
• Installation: Peel-and-Stick Adhesive (Optional Screw Mounting Depending on Application)
• Condition: Brand New

Upgrade Your Rear Bumper with a Sporty Finish

Transform your vehicle's rear appearance with this 4PCS Universal Rear Bumper Lip Diffuser Shark Fin Kit. Featuring durable ABS construction, a sleek black finish, and an OEM-inspired design, these diffuser fins are an excellent choice for adding a modern, performance-inspired look while helping protect your rear bumper from everyday wear.