Duraflex 100390 2002-2003 Subaru Impreza WRX STI 4DR Duraflex C-Speed Rear Lip Under Spoiler Air Dam - 1 Piece

The Duraflex 100390 C-Speed Style Rear Lip is a single-piece rear under spoiler air dam crafted from Duraflex FRP (Fiberglass Reinforced Plastic) — an advanced composite blend of fiberglass, plastic, and flex resins engineered for superior strength and durability. Designed to complement the aggressive C-Speed styling theme, this rear lip add-on delivers a clean, sport-inspired look at an accessible price point.

Key Features:

• Material: Duraflex FRP — a proprietary blend of fiberglass, plastic, and flex resins for enhanced durability over standard fiberglass
• Reduced shipping damage — Duraflex technology results in up to 75% fewer shipping-related damages compared to traditional fiberglass products
• 1-Piece construction — single rear lip/under spoiler air dam for a streamlined installation
• C-Speed styling — matches the C-Speed body kit series including front lip (100389) and side skirts (100391)
• Finish: Bare/unfinished — requires sanding, prep, and paint to match vehicle
• Fitment type: Performance/custom aftermarket

Installation Notes: Professional installation by a body shop experienced with aftermarket aerodynamic components is strongly recommended. Some trimming, test fitting, and body work may be required prior to final installation and paint. Mounting hardware may not be included.