Upgrade your 2015-2021 Subaru WRX STI with the Invidia Gemini R400 Signature Series quad tip exhaust, designed to enhance both performance and style. This premium cat-back exhaust system delivers a deep, aggressive exhaust tone while optimizing backpressure to boost horsepower and torque, making your ride more thrilling and responsive.

Crafted from durable SUS304 stainless steel with mandrel-bent piping and TIG welding, the Gemini R400 ensures long-lasting quality and a sleek, aggressive look. The system features single-wall titanium quad tips that add a distinctive, high-end finish. Depending on your setup, an OEM downpipe to 3-inch cat-back adapter may be required for perfect fitment.

Ideal for Subaru enthusiasts who want to elevate their WRX STI’s sound and power, the Gemini R400 balances bold aesthetics with functional gains. Experience the ultimate exhaust upgrade—shop the Invidia Gemini R400 quad tip exhaust at Subimods today and transform your Subaru’s performance and presence on the road.