Invidia HS08STIG3S Q300 Dual Cat-Back Exhaust System for 08-14 Subaru WRX/STI

Vehicle Fitment

• 2008-2014 Subaru WRX STI Hatchback (AWD)
• 2010-2014 Subaru WRX STI Limited Hatchback (AWD)

Fitment Notes

• Cat-back exhaust system - replaces from cat to tip
• Not compatible with sedan models
• Includes required gaskets and hangers for OEM-like fit

Features

• Mandrel-bent 3" piping (SUS304 stainless steel)
• Flat-bottom muffler for improved high-speed aerodynamics
• Robot TIG-welded construction with cast flanges
• Dual rolled stainless steel tips (4.33" outlet)
• Enhances horsepower, torque, and throttle response
• Produces rich, sporty exhaust tone and reduces turbo lag

Specifications

• Material: 304 stainless steel
• Piping Diameter: 3"
• Tip Diameter: 4.33"
• Includes exhaust gaskets and mounting hardware
• Made for direct OEM replacement

Included Components

• 1x Q300 cat-back exhaust assembly
• 2x Stainless steel rolled tips
• Hardware & gaskets

Product Description

The Invidia HS08STIG3S Q300 Dual Cat-Back Exhaust is engineered specifically for 2008-2014 Subaru WRX STI hatchbacks. Featuring mandrel-bent SUS304 stainless steel piping, a flat-bottom muffler, and polished dual rolled tips, it enhances exhaust flow for gains in horsepower, torque, and throttle response, while delivering a deep, sporty tone. The system uses precision casting and TIG-welded assembly for durability, installs with OEM-style hangers and gaskets, and maintains a sleek under-car profile. A perfect blend of performance, sound, and quality fitment.