{"product_id":"fabspeed-bmw-b58n-sport-catalytic-converter-downpipe-2023","title":"Fabspeed HJS Sport Cat Downpipe for BMW B58N","description":"\u003cp\u003eReplace the matching BMW B58N catalyst\/downpipe assembly with a stainless Fabspeed downpipe using a German HJS 200-cell core. Match the original assembly reference as well as the engine; a general B58 badge is insufficient. Fabspeed Motorsport, based in Fort Washington, Pennsylvania, develops exhaust systems, air intakes and ECU tuning for sports cars including Porsche. Its development work uses dynamometer testing, road evaluation and racetrack testing.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eConfirm the engine, production specification and original catalyst reference before ordering. A B58N label or xDrive50e badge alone does not establish the correct downpipe assembly.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer product reference: FS.BMW.B58N.SC.\u003c\/li\u003e\n\u003cli\u003eCorresponding original assembly reference: 18325A04CB2.\u003c\/li\u003e\n\u003cli\u003e4-inch tubing before the catalyst and 3-inch tubing after it.\u003c\/li\u003e\n\u003cli\u003eHJS tri-metallic 200-cell catalyst.\u003c\/li\u003e\n\u003cli\u003eCNC mandrel-bent T304L stainless construction.\u003c\/li\u003e\n\u003cli\u003eNo cutting or welding specified for the matched installation.\u003c\/li\u003e\n\u003cli\u003eConfirm engine revision, sensor positions and vehicle market.\u003c\/li\u003e\n\u003cli\u003eOther B58 revisions and later applications require a separate reference check.\u003c\/li\u003e\n\u003cli\u003eCovered by the Fabspeed Lifetime Warranty, subject to its terms and exclusions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUse restrictions\u003c\/h3\u003e\u003cp\u003eA sport catalyst is not proof of application-specific road-emissions approval. Confirm the intended installation and applicable requirements before ordering.\u003c\/p\u003e\u003cp\u003ePMB Performance brings over 20 years of parts and fitment experience. Send your VIN and photos or references for the component being replaced for help confirming the correct configuration.\u003c\/p\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eUse the application details below together with the original component and any existing modifications.\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;max-width:100%;\"\u003e\u003ctable class=\"specs pmb-fitment-table\" style=\"width:100%;min-width:800px;border-collapse:collapse;font-size:14px;line-height:1.5;\"\u003e\n\u003ccaption style=\"text-align:left;font-weight:600;padding:0 0 10px;\"\u003eVehicle applications\u003c\/caption\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\" style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:110px;background:#f4f6f8;\"\u003eYears\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:90px;white-space:nowrap;background:#f4f6f8;\"\u003eMake\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:140px;background:#f4f6f8;\"\u003eModel \/ chassis\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:180px;background:#f4f6f8;\"\u003eVersion \/ application\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:280px;background:#f4f6f8;\"\u003eFitment notes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:110px;\"\u003e\u003cspan style=\"white-space:nowrap;\"\u003e2023–2024\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:90px;white-space:nowrap;\"\u003eBMW\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:140px;\"\u003eX5 sDrive40i \/ xDrive40i; X6 xDrive40i; X7 xDrive40i\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:180px;\"\u003eB58N and matching original catalyst reference\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:280px;\"\u003eConfirm build date, engine revision and original assembly; market-year labels can differ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:110px;\"\u003eExact production required\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:90px;white-space:nowrap;\"\u003eBMW\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:140px;\"\u003eX5 xDrive50e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:180px;\"\u003eOnly if engine, catalyst and sensors match the specified assembly\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #dce2e6;padding:10px;text-align:left;vertical-align:top;overflow-wrap:normal;word-break:normal;min-width:280px;\"\u003eHybrid exhaust layout must be checked individually; no general all-50e coverage is asserted.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e","brand":"Fabspeed","offers":[{"title":"Default Title","offer_id":67817319923890,"sku":"FS.BMW.B58N.SC","price":2855.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/DSC08349__90589.jpg?v=1793119431","url":"https:\/\/pmbperformance.com\/products\/fabspeed-bmw-b58n-sport-catalytic-converter-downpipe-2023","provider":"PMB Performance","version":"1.0","type":"link"}