COBB Titanium Cat Back Exhaust 3in Hatch (515150) | Subaru WRX 2011-2014 / STI 2008-2014

The COBB Titanium 3-Inch Cat Back Exhaust for Hatchback models delivers an ultra-lightweight, high-flow performance upgrade for your Subaru WRX or STI. Built entirely from premium titanium, this system reduces mass, improves exhaust flow, and produces a crisp, refined exhaust note tailored for hatchback acoustics. Its 3-inch design supports increased power potential and throttle response for both tuned and factory setups.

KEY FEATURES

• Full titanium construction provides exceptional weight reduction and durability
• 3-inch high-flow design improves throttle response and overall exhaust efficiency
• Hatch-specific layout engineered for proper fitment and optimized acoustics
• Produces a sharp, motorsport-inspired exhaust tone with reduced drone
• Mandrel-bent piping ensures consistent diameter for maximum performance
• Direct bolt-on installation using OEM mounting points
• Precision welds and premium materials ensure long-term reliability

TECHNICAL SPECIFICATIONS

• Lightweight titanium piping delivers reduced mass compared to stainless systems
• 3-inch mandrel-bent tubing supports higher power levels and engine responsiveness
• Tuned muffler configuration for balanced hatchback sound characteristics
• Engineered for compatibility with stock and tuned EJ-platform vehicles
• Includes clamps and hardware for proper factory-style installation

VEHICLE FITMENT

• Subaru WRX 2011–2014
• Subaru STI 2008–2014

COBB delivers proven, data-driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.