# New 2018-2023 Kia Stinger GT Aero Styling from STILLEN

**By Nathan Fette** · 2018-06-21

# **STILLEN Introduces Racing-Inspired Front Splitter and Rear Diffuser for the Kia Stinger GT**

The [Kia Stinger GT](https://stillen.com/collections/all/Kia-Stinger-2018) has been turning heads since its arrival, and for good reason. Powered by a twin-turbocharged 3.3L V6 with a rear-wheel-drive layout and optional AWD, the Stinger GT is a genuine performance sedan that gives European sport sedans plenty to think about. Kia has grown up in a big way, and the Stinger GT is proof of just how far the brand has come.

In many ways the Stinger GT is a wake-up call. It offers acceleration that edges out a Ford Mustang GT, stellar handling, massive brakes, and enough interior room to haul four adults at triple-digit speeds in comfort. The performance numbers are not just competitive, they give the German sport sedan segment genuine cause for concern.

Recognizing the performance potential of this exciting platform, [STILLEN](https://stillen.com) is proud to introduce its first two aftermarket upgrades for the [Kia Stinger GT](https://stillen.com/collections/all/Kia-Stinger-2018): a race-inspired front splitter and a matching rear diffuser. Both products are designed and manufactured in-house at STILLEN HQ in Costa Mesa, CA, and built to deliver both visual impact and functional aerodynamic benefits.

### **STILLEN Front Splitter for the Kia Stinger GT**

Drawing on decades of motorsport experience under racing champion Steve Millen, STILLEN's design team took inspiration from the front splitters used in professional racing, including the iconic #75 300ZX race car, to develop the [STILLEN Front Splitter for the 2018+ Kia Stinger GT](https://stillen.com/products/2018-2019-kia-stinger-front-splitter-awd-rwd-3-3tt-unpainted-kb26001). The wide front plane increases front-end downforce through mild aerodynamic ground effect, helping improve grip at speed. Beyond the functional aero benefit, it also channels additional airflow to the radiator, intercooler, and condenser for a slight improvement in engine cooling efficiency.

![](https://cdn.shopify.com/s/files/1/0144/4275/8230/files/KB26001_Kia_Stinger_Stillen_splitter-6-700x467.jpg?v=1782150300)

Each [STILLEN Stinger front splitter](https://stillen.com/products/2018-2019-kia-stinger-front-splitter-awd-rwd-3-3tt-unpainted-kb26001) is molded from STILLEN's proprietary flexible polyurethane, the same durable material used across [STILLEN's full line of aero and body styling parts](https://stillen.com/collections/style/stillen?t=1782150783670). Unlike carbon fiber or fiberglass, which can crack on contact with curbs or road debris, the polyurethane construction flexes under stress and returns to its original shape. It is built to survive real-world street driving, steep driveways, and the occasional rough road without issue. An embossed STILLEN "S" logo confirms you have a genuine STILLEN aero piece.

![](https://cdn.shopify.com/s/files/1/0144/4275/8230/files/KB26001_Kia_Stinger_Stillen_splitter-4-700x467.jpg?v=1782150300)

The [STILLEN Front Splitter for the Kia Stinger GT](https://stillen.com/products/2018-2019-kia-stinger-front-splitter-awd-rwd-3-3tt-unpainted-kb26001) is available in a ready-to-install [matte black finish](https://stillen.com/products/2018-2019-kia-stinger-gt-awd-rwd-3-3tt-front-splitter-matte-black-kb26001mb), or [unpainted and unfinished for custom paint matching](https://stillen.com/products/2018-2019-kia-stinger-front-splitter-awd-rwd-3-3tt-unpainted-kb26001). Both options are in stock and available now. Call 1-866-250-5542 or visit [STILLEN.com](https://stillen.com) to order yours.

![](https://cdn.shopify.com/s/files/1/0144/4275/8230/files/KB26001_Kia_Stinger_Stillen_splitter-8-700x467.jpg?v=1782150300)

### **STILLEN Rear Diffuser for the Kia Stinger GT**

Continuing the same race-inspired aerodynamic design language as the front splitter, STILLEN also developed the [STILLEN Rear Diffuser for the 2018+ Kia Stinger GT](https://stillen.com/products/2018-2019-kia-stinger-gt-awd-rwd-3-3tt-rear-diffuser-unpainted-kb26002). The rear diffuser is both aerodynamically functional and visually striking, giving the Stinger GT's rear end a more purposeful, performance-oriented stance.

![](https://cdn.shopify.com/s/files/1/0144/4275/8230/files/KB26002_Kia_Stinger_Stillen_Diffuser-6-700x467.jpg?v=1782150300)

To understand what a well-designed rear diffuser can do, consider the 2009 Formula 1 season. Brawn GP dominated for much of the year, largely thanks to an innovative rear diffuser that produced a significant aerodynamic advantage. That is a dramatic example of how much of an impact this single component can have on a performance vehicle's aerodynamic balance.

![](https://cdn.shopify.com/s/files/1/0144/4275/8230/files/KB26002_Kia_Stinger_Stillen_Diffuser-9-700x467.jpg?v=1782150300)

Taking cues from the diffusers found on ALMS and production-class LeMans racing vehicles, including Steve Millen's #75 LeMans racer, the [STILLEN Rear Diffuser for the Kia Stinger GT](https://stillen.com/products/2018-2019-kia-stinger-gt-awd-rwd-3-3tt-rear-diffuser-unpainted-kb26002) features deep air channels and pronounced fins that help manage the airflow exiting from beneath the vehicle. At higher speeds these channels can clean up underbody airflow, enhance the aerodynamic ground effect, and contribute a modest improvement in rear downforce and grip.

![](https://cdn.shopify.com/s/files/1/0144/4275/8230/files/KB26002_Kia_Stinger_Stillen_Diffuser-10-700x467.jpg?v=1782150300)

Molded precisely to follow the contours of the Stinger's rear bumper, the diffuser installs directly over the OEM rear valance. The matte black painted finish gives it an OEM+ appearance, as though it came from the factory that way. It pairs perfectly with the [STILLEN Kia Stinger GT front splitter](https://stillen.com/products/2018-2019-kia-stinger-front-splitter-awd-rwd-3-3tt-unpainted-kb26001) and is designed to work flawlessly alongside the [STILLEN Cat-Back Exhaust for the Kia Stinger GT](https://stillen.com/products/2018-2019-kia-stinger-gt-cat-back-exhaust-awd-rwd-3-3l-twin-turbo-504330).

![](https://cdn.shopify.com/s/files/1/0144/4275/8230/files/KB26002_Kia_Stinger_Stillen_Diffuser-8-700x467.jpg?v=1782150300)

Like the front splitter, the [STILLEN Rear Diffuser for the Kia Stinger GT](https://stillen.com/products/2018-2019-kia-stinger-gt-awd-rwd-3-3tt-rear-diffuser-unpainted-kb26002) is built from flexible polyurethane, so it can handle steep driveways and speed bumps that would crack or shatter a fiberglass or carbon fiber alternative. It is available in [matte black](https://stillen.com/products/2018-2019-kia-stinger-gt-awd-rwd-3-3tt-rear-diffuser-matte-black-kb26002mb) or [unpainted for custom finishing](https://stillen.com/products/2018-2019-kia-stinger-gt-awd-rwd-3-3tt-rear-diffuser-unpainted-kb26002). In stock and available now. Call 866-250-5542 or order online at [STILLEN.com](https://stillen.com).

![](https://cdn.shopify.com/s/files/1/0144/4275/8230/files/KB26002_Kia_Stinger_Stillen_Diffuser-1-700x467.jpg?v=1782150300)

Need tips for installing STILLEN aero parts? Visit the [STILLEN body kits collection](https://stillen.com/collections/style/stillen?t=1782150783670) for full product details, and check out our installation video guide for helpful advice to ensure your new parts fit perfectly and look their best.

**Tags:** Diffuer Front Splitter, Kia, Polyurethane, Product Release, Stinger

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> Source: [STILLEN](https://stillen.com/blogs/news/new-kia-stinger-gt-aero-styling-from-stillen)