{"product_id":"fi-exhaust-down-pipe-bmw-f90-m5-4-4tt-s63-2017-2023","title":"FI Exhaust Down Pipe BMW F90 M5 | 4.4TT S63 2017-2023","description":"The 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 5-10% after installing a full catless system, which includes a valvetronic catback and ultra-high flow downpipe.\u003cbr\u003e\u003cbr\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.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e","brand":"FI Exhaust","offers":[{"title":"Default Title","offer_id":48548116922654,"sku":"BN-90M-NCAT","price":1800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/newnoimage_55826476-d0b0-4ae6-b3ac-eb8c6a19baa5.jpg?v=1715617625","url":"https:\/\/shop.signatureautohaus.com\/products\/fi-exhaust-down-pipe-bmw-f90-m5-4-4tt-s63-2017-2023","provider":"Signature Autohaus","version":"1.0","type":"link"}