FactionFab Axle Back Exhaust Onyx w/ Black Tip 2011-2014 WRX Hatchback / 2008-2014 STI Hatchback | Aggressive Tone | Performance Exhaust

Overview

The FactionFab Axle Back Exhaust with Onyx Black Tip is a direct-fit performance upgrade designed specifically for the 2008-2014 Subaru WRX STI Hatchback and 2011-2014 WRX Hatchback models. This axle-back system replaces the factory rear exhaust section to enhance exhaust flow, reduce weight, and deliver a deeper, more aggressive exhaust note that complements Subaru’s turbocharged engines. It’s ideal for enthusiasts looking to improve sound and performance without the complexity of a full cat-back system.

FactionFab is known for precision engineering and high-quality craftsmanship, focusing on Subaru platforms with a performance-first mindset. This axle-back exhaust is constructed with durable stainless steel and finished with a sleek Onyx black tip, combining both style and function. The design balances sound volume and tone to avoid drone while providing a satisfying growl under acceleration, making it a refined yet aggressive upgrade for street and spirited driving.

For Subaru owners, this axle-back exhaust offers tangible benefits including improved throttle response and a more engaging driving experience. By optimizing exhaust flow downstream of the catalytic converter, it supports better turbo spool characteristics and complements other bolt-on modifications. The system’s fitment ensures a hassle-free installation that maintains factory mounting points and ground clearance, preserving the hatchback’s practicality and daily drivability.

Features & Specifications

This FactionFab Axle Back Exhaust is engineered for 2008-2014 Subaru WRX STI and 2011-2014 WRX Hatchback models and features an Onyx black tip finish. Constructed from stainless steel, it delivers enhanced exhaust flow and an aggressive tone for Subaru enthusiasts seeking a balance of performance and style.

• Brand: Faction Fab
• Product: Axle Back Exhaust Onyx w/ Black Tip
• Part Number: 1.10200.3
• Fitment: 2008-2010 STI, 2011-2014 STI, 2011-2014 WRX Hatchback
• Material: Stainless Steel
• Finish: Onyx Black Tip
• Construction: Welded Stainless Steel
• Origin: USA

Key Benefits

• Performance: Improves exhaust flow for enhanced throttle response and turbo spool characteristics.
• Sound Quality: Delivers a deep, aggressive exhaust tone without excessive drone on the highway.
• Fitment: Direct bolt-on replacement maintaining factory mounting points and ground clearance.
• Durability: High-grade stainless steel construction resists corrosion and withstands daily driving conditions.
• Aesthetics: Sleek Onyx black tip adds a subtle yet aggressive visual upgrade to the rear of the vehicle.
• Value: Offers a cost-effective performance enhancement without the need for a full cat-back system.

What's Included

• 1× FactionFab Axle Back Exhaust Onyx w/ Black Tip
• Mounting hardware for direct installation
• Installation instructions

Installation & Compatibility

Installation of the FactionFab Axle Back Exhaust is straightforward and designed for a direct bolt-on fit using factory mounting points, making it a viable DIY upgrade for enthusiasts with basic mechanical skills. No special tools beyond standard hand tools are typically required. This axle-back system is compatible with 2008-2010 and 2011-2014 Subaru WRX STI Hatchbacks as well as 2011-2014 WRX Hatchbacks. No modifications are necessary, and it retains factory ground clearance and exhaust routing.

• Professional Installation: Recommended for those unfamiliar with exhaust work
• Modifications Required: None
• Verify Compatibility: Confirm fitment for your specific year and trim level before purchase

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