Invidia [15-21 WRX/STI] Gemini R400 Signature Series Black Tip Quad Tip Exhaust | HS15STIGM4SB

This is the Invidia Gemini R400 Single-Layer Cat-Back Exhaust System. This exhaust system features a design that combines minimal bends with a larger piping diameter. This will allow for an unobstructed exit of exhaust gases with minimal restrictions and turbulence. This will allow for improvements in both horsepower and torque, along with improvements in throttle response. Additionally, the Gemini R400 will create a race-inspired exhaust note that will make the overall driving experience much more enjoyable. 

DETAILS:

• 304 stainless steel construction
• 76mm piping diameter
• 1.5mm piping thickness
• Tuned mufflers for optimum sound and exhaust flow
• Cast flanges provide precision fitment and durability
• Machine-welded
• Quad 4" slash-cut black tips
• Exhaust hangers welded onto the OEM locations to make for a straight-forward installation
• Includes new gaskets and hardware