Finish the Engine Bay — GrimmSpeed Fender Shrouds for the GR WRX/STI
The GrimmSpeed Fender Shrouds in Red for the 2008-2014 Subaru WRX / STI cover the inner fender area visible through the engine bay, replacing the raw plastic and metal surfaces with finished red powdercoated panels. The shrouds direct airflow within the engine bay, reduce heat buildup from underhood heat sources near the fender walls, and give the engine bay a complete, intentional appearance. THIS LISTING: Red powdercoat — Black also available.
Finished Panels, Directed Airflow, Reduced Heat Buildup
The exposed inner fender areas on the GR WRX/STI engine bay are a source of underhood heat buildup and an aesthetic weak point in an otherwise well-presented build. The GrimmSpeed fender shrouds address both — the finished panels reduce radiated heat from underhood sources reaching the fender walls, and the red powdercoated surface presents a clean, finished appearance that contrasts with the engine bay color scheme.
Bolt-In at Factory Inner Fender Mounting Points
The GrimmSpeed fender shrouds bolt directly to the factory inner fender mounting points on the GR WRX/STI — no drilling, no modification to the inner fender or engine bay. The shrouds come as a pair covering both sides of the engine bay. The powdercoated finish resists chipping and fading under the temperature cycling of the engine bay environment.
Key Features
- Platform: 2008-2014 Subaru WRX / STI
- THIS LISTING: Red powdercoat — Black also available
- Covers exposed inner fender area — finished powdercoated surface
- Reduces underhood heat buildup near fender walls
- Directs airflow within engine bay
- Bolt-in at factory inner fender mounting points
- Sold as a pair — driver and passenger side
- Powdercoated finish — chip and fade resistant
Fitment Notes
- Platform: 2008-2014 Subaru WRX / STI
- Bolt-in at factory inner fender mounting points
- Available in Red and Black powdercoat
Straight From Subispeed
The GrimmSpeed fender shrouds are one of the finishing touches that make the difference between a clean engine bay and a great one. The red panels fill in the areas that every enthusiast looks at when they open the hood and sees raw fender liner where a finished surface should be. If you’re already running other GrimmSpeed engine bay hardware, the fender shrouds complete the aesthetic with matching color.
What’s Included
- GrimmSpeed Fender Shrouds — Red (pair, driver and passenger side)
- Mounting hardware
About GrimmSpeed
GrimmSpeed is a Pacific Northwest-based performance parts manufacturer that has been building Subaru-specific hardware since 2003. Founded by engineers who were actively building and racing Subarus themselves, GrimmSpeed’s catalog reflects the priorities of people who use the products they make — turbo inlets, downpipes, uppipes, boost controllers, intercoolers, and engine bay accessories designed specifically for the EJ and FA-series Subaru platforms. Every GrimmSpeed product is engineered, tested, and refined in-house, and their focus on Subaru means the fitment and function reflect a deep understanding of the specific platforms they cover. Subispeed carries the full GrimmSpeed catalog because their approach to product development consistently produces parts that perform as advertised and fit correctly out of the box.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2008-2014 | Subaru | WRX | EJ255 |
| 2008-2014 | Subaru | WRX STI | EJ257 |





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