Kia Stinger rear diffuser blade: the GT look without changing the bumper
This rear diffuser blade for the 2018-2021 Kia Stinger attaches over the original lower bumper and adds five vertical fins that deepen the lower section. A diffuser blade is an added aerodynamic component: it does not replace the bumper, but rather dresses it. As a result, the sedan gains the low, wide profile of the GT versions without removing or painting the bumper.
Why choose this rear splitter
- Injected ABS: a flexible material on impact, it withstands curb edges where fiberglass cracks.
- Five fins that extend the original ribs and visually slim down the rear.
- No-drill installation: high-temperature double-sided adhesive along the entire length, pre-positioned at the factory.
- Black finish ready to install, matching the black elements in the Stinger catalog.
- Controlled clearance: the splitter remains flush with the bumper and does not rub on speed bumps.
- Economical alternative to a full diffuser, for a similar visual effect at a third of the cost.
Kia Stinger compatibility: the point to check before ordering
This blade is designed for the pre-facelift lower bumper of the Kia Stinger, model years 2018 to 2021. The supplier expressly states that it is not suitable for the four-fin facelift bumper of the 2022-2023 model years: the skirt geometry has changed and the adhesive would only adhere to part of the surface. Look at your car from the rear: if the lower part of the bumper already has four pronounced ribs, the part is not made for it. If in doubt, compare it with the photos in the gallery before confirming. Compatibility given according to model, to be checked before installation.
Technical specifications
Material: High-rigidity injected ABS. Finish: Ready-to-install black, paintable in body color if you want it to match the car. Number of fins: 5. Contents: 1 piece one-piece plus the pre-applied adhesive. Mounting: lower rear bumper, no drilling. Vehicle: Kia Stinger 2018-2021. Condition: 100% new.
Installation and maintenance
Allow thirty minutes and a day with temperatures above 15°C. Degrease the lower bumper with isopropyl alcohol, dry-fit the blade and mark the ends with masking tape. Then remove the backing of the double-sided adhesive in twenty-centimeter sections, pressing firmly as you go. Allow the glue to cure for 24 hours without washing. Maintenance: normal washing, avoid high-pressure washing within thirty centimeters of the glued edges.
Frequently asked questions
Do I need to drill the bumper to install this blade?
No, the mounting is entirely adhesive. Hot installation on a degreased surface is sufficient for adhesion.
Does this diffuser blade hold up in an automatic car wash?
Yes, once the glue has cured, but the rollers can catch the fins: hand washing remains preferable.
Can it be painted in body color?
Yes. ABS accepts a plastic primer followed by a clear-coat base, a job to entrust to a body shop for a clean finish.
Does it affect the ground clearance?
Very little: the part follows the contour of the bumper and only drops by a few millimeters.
Is it compatible with an already installed towbar?
Yes in most cases, as the ball joint is placed lower and more centrally; check the clearance before gluing.
A well-designed rear splitter changes the silhouette of a Stinger in half an hour, without touching the original bodywork.
Type: Added rear diffuser blade
Vehicle: Kia Stinger 2018-2021 (pre-facelift)
Material: Injected ABS
Finish: Black
Fins: 5
Quantity: 1 piece
Mounting: high-temperature double-sided adhesive
Drilling: not required
Not compatible: 4-fin 2022-2023 facelift bumper
Condition: 100% new
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