COBB x Korsh  Stage 1+ Package for 2015-2021 Subaru WRX & STI

Transform your 2015-2021 WRX or STI with the COBB Stage 1+ Package, combining precision tuning with premium exhaust performance. This comprehensive package includes the COBB Accessport V3 for custom ECU tuning and the Korsh Catback Titanium exhaust system, delivering enhanced power, improved throttle response, and an aggressive exhaust note.

The COBB Accessport V3 provides real-time monitoring and custom mapping capabilities, while the Korsh Catback Titanium system features lightweight titanium construction with mandrel-bent piping for optimal flow, weight reduction, and exceptional durability. Together, they unlock your Subaru's true performance potential while maintaining reliability.

Package Includes

• COBB Accessport V3 Tuning Device
• Stage 1+ Performance Maps
• Korsh Catback Titanium Exhaust System
• All necessary hardware and installation instructions

Key Features

• Proven Power Gains: Optimized tuning for increased horsepower and torque
• Premium Titanium Construction: Lightweight titanium exhaust with mandrel-bent piping
• Weight Reduction: Significantly lighter than stock and stainless alternatives
• Enhanced Sound: Aggressive exhaust note with titanium-burnt tips
• Real-Time Monitoring: Track boost, AFR, and engine parameters
• Custom Tuning: Multiple maps for different fuel grades and conditions
• Bolt-On Installation: Direct fit for 2015-2021 WRX and STI models

Why Choose COBB?

COBB Tuning has been the industry leader in performance tuning solutions for over two decades. Their Accessport platform is trusted by enthusiasts and professional tuners worldwide for its reliability, ease of use, and proven results. Combined with the Korsh Catback's motorsport-grade titanium construction, this package delivers the perfect balance of performance, weight savings, and quality.

Professional installation recommended. Tuning may affect emissions compliance in some regions. Please check local regulations before purchase.