{"product_id":"tcm-b58-4-5-high-flow-catted-downpipe-bmw-240i-340i-440i-supra-x3-f-g-chassis","title":"TCM B58 4.5\" High Flow Catted Downpipe BMW 240i\/340i\/440i\/Supra\/X3 F\/G Chassis","description":"\u003cp\u003eTCM B58 4.5\" High Flow Catted Downpipe — Premium Performance Upgrade for BMW \u0026amp; Supra Maximize your B58 engine's potential with TCM's 200 Cell Catted Downpipe. Engineered from 304 stainless steel, this direct bolt-on upgrade delivers up to 25HP on stock turbos with improved turbo spool time and reduced backpressure. The high-flow design eliminates factory restrictions while maintaining emissions compliance, resulting in noticeable power gains and a more aggressive exhaust note. Key Benefits: - Increased horsepower and torque with faster throttle response - Improved exhaust flow and reduced turbo lag - Enhanced engine sound without excessive drone - Direct replacement — no modifications required - Works with factory and aftermarket exhaust systems Built to Last: 304 stainless steel construction resists corrosion and withstands high temperatures. Lifetime warranty on defects and fitment. 90-day return period. Fitment: Compatible with B58 and B58TU engines across BMW 240i, 340i, 440i, 540i, 640i, 740i, 840i, M240i, M340i, X3\/X4\/X5\/X6\/X7 M40 models (2016–2024), and 2019–2024 Toyota Supra 3.0L. Fits RWD and AWD. A tune or defouler recommended to prevent check engine light.\u003ca href=\"https:\/\/www.houseofapex.us\/\" title=\"House of Apex Website\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"TruCrane Motorsports","offers":[{"title":"Default Title","offer_id":53292108317036,"sku":"TCM-DP-B58-CAT-1","price":351.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4448\/0876\/files\/2024-03-2318.08.40.jpg?v=1773283163","url":"https:\/\/houseofapex.us\/products\/tcm-b58-4-5-high-flow-catted-downpipe-bmw-240i-340i-440i-supra-x3-f-g-chassis","provider":"House of Apex","version":"1.0","type":"link"}