1 [Perfect Fit & Customizable Look] - Engineered for an OEM-style fit on most coupes and sedans,
each rear window louver and side window louver aligns seamlessly with factory window seals. Available
in unpainted base, matte black, high-gloss black, or carbon fiber texture, with optional custom painting
services—allowing you to achieve anything from a stealthy appearance to a show-car shine.
2 [Premium & Durable Multi-Material Construction] - Engineered from durable ABS (ABS Plastic:
Acrylonitrile Butadiene Styrene), PP (Polypropylene), PU (Polyurethane), and PC polymer blends
(Polycarbonate), these window sunshade louvers resist weathering, UV exposure, and daily wear,
delivering a robust solution that stands up to changing climates and road conditions.
3 [Sporty, Aerodynamic Styling] - Each panel follows factory window contours to enhance airflow,
reduce glare, and impart a performance-inspired profile. Whether on the rear windshield or side window
vent louvers, the slatted design creates a dynamic, track-ready aesthetic.
4 [Enhanced Privacy & UV Protection] - Strategically spaced slats block harsh sunlight and unwanted
glances, lowering interior heat and protecting cabin surfaces from UV damage. Rear and side window
louvers keep your car cooler on sunny drives while preserving rearward visibility and inside ventilation.
5 [Easy Installation] - Clean the surface, apply the included automotive-grade 3M double-sided tape,
snap on the brackets, and lock in under 15 minutes. For any drilling or modifications, watch YouTube
install videos for tips, though professional installation is recommended.
| Fitment | Fits 2015-2021 Subaru WRX & STI |
| Color | Unpainted Black |
| Style | STI Style |
| Material | ABS Plastic (Acrylonitrile butadiene styrene) |
| Package Includes | 1x Pair of Side Window Louvers |
| Installation Instructions | Not Included |
Elevate your vehicle's style and performance with our Rear & Side Window Louvers, designed to
blend seamlessly with most coupes and sedans. Molded from durable ABS, PP, PU, and PC
polymer blends, these louvers resist UV rays, extreme temperatures, and daily road hazards.
Their precise slats follow factory window contours to channel airflow, reduce interior glare, and
give your car a dynamic, track-ready profile.
from unpainted base (ready for DIY), matte black for a stealth look, gloss black for mirror
shine, or carbon-fiber texture for a modern accent. Opt for our paint-matching service to achieve
an exact OEM color. Each finish features UV-resistant coating to prevent fading and maintain a
sharp appearance. The slatted design enhances curb appeal and provides privacy by blocking
harsh sunlight and prying eyes while preserving rearward visibility and ventilation.
Installation takes under 15 minutes with no drilling required: clean the window frame, apply the
included automotive-grade 3M tape to integrated brackets, align each panel, and snap into place.
If drilling or modifications are needed, watch a YouTube tutorial for tips, or consider professional
installation for best results. Transform your ride today with our versatile window louvers and
enjoy a perfect blend of aesthetics, function, and durability.

This rear window louver is precisely engineered for a custom fit on your specific vehicle. Made from high-quality materials, it seamlessly matches the rear window contour, providing an aggressive sporty look while improving UV protection and interior airflow. No drilling required - vehicle-specific design for fast and secure installation.

Designed to contour precisely to your car's side windows, this side window louver offers a perfect custom fit with no trimming or drilling. Made for style and performance, it enhances your vehicle's side profile while helping block direct sunlight and road debris. A must-have automotive exterior accessory for muscle car and sport sedan owners.

Instantly upgrade your car's rear-end styling. This before vs after comparison clearly shows how our custom-fit rear window louver adds a bold, aerodynamic look while perfectly matching the window shape. Designed for vehicle-specific fitment, no drilling required.
This before and after visual shows the instant transformation a set of side window louvers can make From plain factory windows to a sleek, aggressive look with custom-fit louvers - no tools or trimming needed. An ideal automotive exterior upgrade for car enthusiasts.
Rear glass panels are highly exposed to sunlight, scratches, and environmental wear. Installing a custom-fit rear window louver adds a bold, aggressive look while acting as a barrier against chips paint damage, and UV rays. It's more than a style upgrade - it's smart protection for your vehicle's rear end.
Unprotected side windows are prone to scratches from road debris, car washes, and daily wear. Our custom-fit side window louver adds a bold, sporty look while acting as a durable shield that helps prevent paint damage, chips, and UV exposure. A smart upgrade for both style and protection.
Enjoy a clean, clear view from inside while keeping prying eyes out. Our custom-fit side and rear window louvers are engineered to preserve visibility for the driver and passengers while offering added privacy, reduced glare, and better interior temperature control. A stylish upgrade that brings both form and function - with no drilling required.
Choosing the right louver material comes down to your vehicle type, climate, installation needs, and budget. This guide compares PC, PU, PP, and ABS across key factors like heat resistance, flexibility, durability, and cost-effectiveness. Whether you're upgrading your rear window or side window, you'll find the material that best suits your build, driving conditions, and personal style.
| Shop by Louver Type | Rear Window Louvers Add to Cart | Side Window Louvers Add to Cart | Full Kits Add to Cart | ||
| Shop by Vehicle | Dodge Add to Cart | Ford Add to Cart | Honda Add to Cart | Chevrolet Add to Cart | Other Models Add to Cart |
| Shop by Finish | Unpainted Black Add to Cart | Matte Black Add to Cart | Gloss Black Add to Cart | OEM Painted Color Add to Cart | |
| Shop by Material | Premium PC Add to Cart | Flexible PU Add to Cart | Lightweight PP Add to Cart | Durable ABS Add to Cart | |
| Shop by Feature | √ Privacy Protection Add to Cart | √ No Drill Installation Add to Cart | √ Sun-Blocking Louvers Add to Cart | ||
| Shop Highlights | √ Best Sellers Add to Cart | √ New Arrivals Add to Cart | √ Bundle Kits Add to Cart |