Remark s Elite Spec catback features a single muffler canister and dual tips, boasting high flow 3 mandrel piping and a straight-through design for optimal performance. Specifically engineered for the GR Corolla s 3-cylinder turbocharged engine, it delivers a distinctive sound at start-up, idle, and lower RPMs. Notably, it bypasses the OE exhaust valve function without triggering any check engine lights. Crafted from high-grade 304 stainless steel with robust cast flanges and reinforced exhaust hangers, each system undergoes meticulous TIG welding for exceptional strength and a polished finish. Designed for drivers seeking a lightweight, full stainless 3 system with an aggressive tone, our exhaust systems are meticulously built in our factory to ensure quality and durability. Additionally, we re developing matte carbon fiber block-off plates for the outer exhaust tip cutouts to further enhance the aesthetic appeal. Stay tuned for updates on this exciting addition!