Description
The STILLEN Rear Trunk Spoiler for the 2015–2018 Subaru WRX and WRX STI Sedan is designed to enhance the factory styling with a clean, performance-inspired upgrade that looks right at home on Subaru’s turbocharged sedans. Subtle yet purposeful, this rear deck spoiler adds a refined sporty edge without overpowering the car’s original design.
Developed and manufactured in-house by STILLEN, the KB23003 spoiler is precision-molded for a vehicle-specific fit that follows the natural contours of the trunk lid. The result is a seamless, OEM-quality appearance that elevates the rear profile while maintaining a balanced, factory-plus aesthetic.
Constructed from durable polyurethane, this spoiler is built to withstand daily driving conditions while retaining its shape and finish over time. Designed to install without drilling, it offers a straightforward upgrade that preserves the integrity of your vehicle.
Vehicle Fitment
- 2015–2018 Subaru WRX Sedan
- 2015–2018 Subaru WRX STI Sedan
(Sedan models only)
Features & Construction
- Rear trunk / deck lid spoiler
- High-quality polyurethane construction
- Unpainted – ready for prep and paint
- Attaches without drilling
- Vehicle-specific design for precise fitment
- Developed and manufactured in-house by STILLEN
- Limited Lifetime Warranty
Styling & Functional Benefits
- Enhances rear-end appearance with a sporty, refined profile
- Complements factory body lines without excessive height or bulk
- Improves overall visual balance of the vehicle
- Durable construction resists cracking and warping
- Maintains a clean installation with no permanent modifications
Design Philosophy
The KB23003 Rear Trunk Spoiler was engineered with a simple goal: enhance the WRX and WRX STI sedan without compromising the factory design language. STILLEN focused on subtle performance styling—something that looks intentional, not added on.
By following the natural curvature of the trunk lid, this spoiler delivers a cohesive, finished look that feels OEM-inspired while still standing apart from stock. It’s an ideal upgrade for owners who want to elevate their car’s appearance with restraint and precision.
Finish Options
-
Unpainted (Prep & Paint Ready) – customize to body color or contrast finish
