{"product_id":"fi-exhaust-valvetronic-cat-back-system-for-audi-s4-s5-b9-2018-2024","title":"FI Exhaust Valvetronic Cat-Back System For Audi S4 \/ S5 (B9) 2018-2024","description":"\u003cp\u003e\u003cstrong\u003eAudi B9 S4 Fi Exhaust\u003c\/strong\u003e\u003cspan\u003e (Frequency Intelligent Exhaust) high-performance\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003evalvetronic exhaust system\u003c\/strong\u003e\u003cspan\u003e is direct replacement \u003c\/span\u003e\u003cstrong\u003ebolt on\u003c\/strong\u003e\u003cspan\u003e system manufactured out of a high-grade T304 stainless steel that offers an exhilarating soundtrack.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe Fi EXHAUST system is designed with a valvetronic technology to control airflow, sound volume and enhance the overall performance and torque. On average horsepower is expected to increase from\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e5-10%\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eafter installing a full catless system, which includes a valvetronic catback and ultra-high flow downpipe.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWhen valves are closed exhaust gasses are routed through the muffler resulting in a low-profile comfortable drive. However, when the valves are fully open an intense and sporty soundtrack is produced.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDepending on your car model\u003c\/strong\u003e\u003cspan\u003e and exhaust setup, switching exhaust valves between street and race modes may be achieved using a factory exhaust\/sport button, drive modes, or by selecting the Fi Pro remote control upgrade. Please note that \u003c\/span\u003e\u003cstrong\u003enot all options are available for every model\u003c\/strong\u003e\u003cspan\u003e. Refer to the available section and \u003c\/span\u003e\u003cstrong\u003econtact our representative for confirmation\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe unique sound and performance for Audi B9 S4 is achieved through\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eindividually designed\u003c\/strong\u003e\u003cspan\u003e muffler internals that are fabricated to offer an ultimate driving experience.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePlease note each part of the Fi EXHAUST system needs to be ordered separately.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDifferent exhaust parts are offered depending on the vehicle version.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePlease note that the actual product may vary in appearance depending on the year of the car and area. The exhaust system is also subject to changes to the design over an extended time period. Product pictures are for illustration purposes only.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCatback Exhaust:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFront Pipe + Mid X-Pipe + Valvetronic Muffler + Quad Silver Tips + Standard remote control system module (AD-S4B9-CBV + TIP6389S*4 + R2016OL + OBD-CAB-V)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eDownpipes (Optional):\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1.Ultra High Flow DownPipe (AD-S4B9-NCAT)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2.Sport 200 cell DownPipe (AD-S4B9-CAT200)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eTips (Optional):\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1.Quad Tips in Titanium Blue (TIP6389TB*4)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2.Quad Tips in Diamond Black (TIP6389B*4)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e3.Quad Tips in Gold (TIP6389G*4)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e4.Quad Tips with Carbon Fiber (TIP6389C*4)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eFi EXHAUST Pro Remote Control System (Optional):\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOBD2\/Mobile APP Remote Control System Module (R2020OBD)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/JZkM1eOLEFA?si=ZqE2asd5HIIkU7vL\" height=\"315\" width=\"560\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"FI EXHAUST","offers":[{"title":"Exhaust System:Mid X-Pipe + Valvetronic Muffler (Compatible with OEM Elect. 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