Invidia 2015+ Subaru WRX / STI Gemini R400 Cat-Back Exhaust – Quad Titanium Tips

Upgrade your Subaru WRX or STI with the high-performance Invidia Gemini R400 Cat-Back Exhaust featuring quad titanium tips. Engineered for enthusiasts seeking enhanced exhaust tone, improved flow, and aggressive styling, this system delivers uncompromised quality and sound.

With a 76mm main pipe that splits into dual 60mm sections and finishes with four 101mm single-layer titanium tips, the Gemini R400 system offers reduced back pressure, increased horsepower, and a unique, race-inspired look.

Key Features:

• Piping Diameter: 76mm main, dual 60mm split
• Exhaust Tip Diameter: Quad 101mm
• Tip Style: Single Layer Burnt Titanium
• Premium SUS304 stainless steel construction
• Mandrel-bent piping for maximum exhaust flow
• Produces an aggressive, deep tone without excessive cabin drone
• Direct bolt-on installation — no modifications required

Vehicle Fitment:

• 2015–2020 Subaru WRX Base 2.0L Turbo
• 2015–2020 Subaru WRX Premium 2.0L Turbo
• 2015–2020 Subaru WRX Limited 2.0L Turbo
• 2015–2020 Subaru WRX STI Base 2.5L Turbo
• 2015 Subaru WRX STI Launch Edition 2.5L Turbo
• 2015–2020 Subaru WRX STI Limited 2.5L Turbo
• 2016 Subaru WRX STI Series.HyperBlue 2.5L Turbo

Part Number:

HS15STIGM4ST

If you’re ready to bring out the best sound and style from your WRX or STI, the Invidia Gemini R400 Cat-Back Exhaust with titanium tips is the go-to choice for premium looks and proven performance.