SKU: FF0405MZRX8 | UPC: 887753481474
Seibon 2004-2008 Mazda RX-8 Carbon Fiber Fenders
Seibon Carbon FF0405MZRX8 fenders are a pair of hand-crafted carbon fiber front fenders designed specifically for the 2004-2008 Mazda RX-8. These fenders replace stock units to cut weight improve heat extraction and enhance aggressive styling while maintaining precise fitment. Built with a high carbon-to-resin ratio they deliver stiffness and strength for track or street use.
Key Features
- Lightweight Construction: Carbon fiber design reduces curb weight compared to OEM steel fenders for better handling and acceleration.
- Aerodynamic Design: Engineered shape promotes airflow and heat extraction from brakes and wheel wells boosting overall performance.
- Show-Ready Finish: Glossy clear coat applied over 3K 2×2 twill weave provides a factory-like shine with no painting needed.
- Premium Materials: Uses professional-grade 3K 2×2 twill carbon fiber fabric for consistent weave and long-lasting durability.
- Easy Integration: Reuses OEM mounting hardware for straightforward bolt-on installation without custom fabrication.
Product Notes
- Inspect fenders upon arrival and test fit before painting or permanent install.
- Clean with mild soap and microfiber cloth avoid harsh chemicals to preserve clear coat.
- Large item ships via LTL freight requires liftgate or forklift for unloading.
Installation Notes
- Professional installation recommended.
- May require minor trimming of inner liners for clearance on lowered vehicles.
- Reuses OEM hardware and mounting points for direct replacement.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2007 | Mazda | RX-8 | Base |
| 2008 | Mazda | RX-8 | 40th Anniversary Edition |
| 2008 | Mazda | RX-8 | Grand Touring |
| 2005 | Mazda | RX-8 | Shinka |
| 2008 | Mazda | RX-8 | Sport |
| 2008 | Mazda | RX-8 | Touring |
Why Choose Seibon?
- Over 20 years of carbon fiber craftsmanship trusted by professional race teams worldwide.
- Rigorous multi-step quality control ensures every part meets high standards for strength and finish.
- Proprietary designs focus on weight reduction and aerodynamic gains for sport compact vehicles.
Frequently Asked Questions
- Q: Will these fenders fit my 2006 Mazda RX-8 Base model?
A: Yes they bolt directly to all 2004-2008 Mazda RX-8 models including Base Sport Touring Grand Touring Shinka and 40th Anniversary Edition using OEM hardware. - Q: What type of carbon fiber is used and does it need painting?
A: High-quality 3K 2×2 twill weave carbon fiber with a durable glossy clear coat finish ready for display without additional painting. - Q: What is the warranty and installation process?
A: Seibon offers a 1-year warranty against manufacturing defects. Professional installation advised reuses OEM bolts and may need alignment after install.
Shipping & Handling
- Method: LTL Freight
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed dimensions approximately 48 x 18 x 10 inches
- Weight: 18 lbs (pair)





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