Matte black rear diffuser lip add-on with four fin mounts and central channel
Matte black rear diffuser lip with four molded fins and side supports
Black rear diffuser lip add-on with three vertical fins, matte black
Matte black rear diffuser lip add-on with angular finlets and side brackets
Matte black rear diffuser lip add-on with four vertical fins and mounting holes
Matte black diffuser lip close-up with cross fin bracket and edge detail
Matte black rear diffuser lip add-on with four fin mounts and central channel
Matte black rear diffuser lip with four molded fins and side supports
Black rear diffuser lip add-on with three vertical fins, matte black
Matte black rear diffuser lip add-on with angular finlets and side brackets
Matte black rear diffuser lip add-on with four vertical fins and mounting holes
Matte black diffuser lip close-up with cross fin bracket and edge detail
Matte black rear diffuser lip add-on with four fin mounts and central channel
Matte black rear diffuser lip with four molded fins and side supports
Black rear diffuser lip add-on with three vertical fins, matte black
Matte black rear diffuser lip add-on with angular finlets and side brackets
Matte black rear diffuser lip add-on with four vertical fins and mounting holes
Matte black diffuser lip close-up with cross fin bracket and edge detail
Matte black rear diffuser lip add-on with four fin mounts and central channel
Matte black rear diffuser lip with four molded fins and side supports
Black rear diffuser lip add-on with three vertical fins, matte black
Matte black rear diffuser lip add-on with angular finlets and side brackets
Matte black rear diffuser lip add-on with four vertical fins and mounting holes
Matte black diffuser lip close-up with cross fin bracket and edge detail
PLUS 9 MOTORSPORTS

Corvette C8 Rear Bumper Add-On Diffuser Lip

Sharper Rear Detail
Lower Diffuser Presence

The lower rear bumper often determines how complete the car looks from behind. This Rear Bumper Add-On Diffuser Lip gives the C8 more depth, contrast, and lower-body definition without replacing the full rear bumper.

Its add-on design makes the rear end look sharper, lower, and more finished, making it a clean upgrade for C8 owners who want stronger street presence with a simple rear bumper enhancement.

$209.99

Processing time: 1-2 business days

Return within 30 days of purchase. Duties & taxes are non-refundable.

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Style｜Quality｜and Performance

Built for Your Ride

Welcome to PLUS 9 MOTORSPORTS.
We specialize in premium exterior upgrades and performance-inspired accessories for drivers who value style, quality, and individuality.

From American muscle cars and performance platforms to trucks and daily drivers, we believe every vehicle deserves to reflect its owner’s personality.


We continuously source products that combine design, quality, and function—making upgrades easier, cleaner, and more rewarding.

Frequently Asked Questions?

Will these exterior upgrades perfectly fit my specific vehicle model？

What materials are used for these premium performance components？

What should I do if my items arrive damaged during shipping?

How long will it take to process and ship my order?

 Can you cancel my order?

  • Rear bumper add-on diffuser lip
  • Adds lower bumper definition and visual depth
  • Enhances the rear profile without replacing the full bumper
  • Made from automotive-grade ABS plastic
  • Finished in Gloss Black
  • Designed for Corvette C8 Stingray, Z51, and E-Ray models

This rear bumper add-on diffuser lip is made from ABS plastic and finished in Gloss Black.

Vehicle Body Style Year Compatibility
Corvette C8 Stingray Coupe / Convertible 2020–Present Compatible
Corvette C8 Z51 Coupe / Convertible 2020–Present Compatible
Corvette C8 E-Ray Coupe / Convertible 2024–Present Compatible
Corvette C8 Z06 Coupe / Convertible 2023–Present Not Compatible
  • Test fitting is recommended before final installation to ensure proper alignment with the rear bumper.
  • Clean the mounting surface thoroughly before installation.
  • For the best fitment and secure mounting, professional installation is recommended.
  • Do not overtighten hardware during installation, as this may affect alignment or damage the mounting points.
  • Rear bumper add-on diffuser lip kit
  • Installation hardware

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Plus 9 Motorsports Reminder* :

Built for C8 owners who want the rear end to look lower, sharper, and more complete. This diffuser lip adds clean lower-bumper definition and a stronger street-performance appearance without changing the full rear bumper setup.