{"product_id":"fabspeed-mercedes-benz-amg-e-63s-gt63-sport-cat-downpipes-2016-2023","title":"Fabspeed HJS Sport Cat Downpipes for Mercedes-AMG E63 S \/ GT63","description":"\u003cp\u003eChange the matching M177-powered E63 S wagon or GT63 downpipe assemblies with Fabspeed’s HJS 200-cell sport-catalyst system. Exact chassis and exhaust layout control compatibility; the unrelated AMG GT two-door wording does not establish fitment. Based in Fort Washington, Pennsylvania, Fabspeed Motorsport designs exhaust, intake and ECU-tuning products for Porsche and other sports cars. Development includes evaluation on a dynamometer, on the road and at the racetrack.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer product reference: FS.MER.M177.SC.\u003c\/li\u003e\n\u003cli\u003eHJS German tri-metallic 200-cell catalyst cores.\u003c\/li\u003e\n\u003cli\u003eMandrel-bent T304L stainless downpipes.\u003c\/li\u003e\n\u003cli\u003eFor the corresponding M177 original downpipe connections.\u003c\/li\u003e\n\u003cli\u003eManufacturer guide requires cutting the original downpipes for removal to avoid dropping the transmission. The replacement assemblies use their specified clamps and joints; professional installation is recommended.\u003c\/li\u003e\n\u003cli\u003eConfirm sensors, heat protection and vehicle-market requirements.\u003c\/li\u003e\n\u003cli\u003eDo not extend coverage to hybrid GT63, other engines or two-door AMG GT by badge alone.\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\u003eRetain required emissions equipment and confirm the exact vehicle market and installation requirements. Catalyst or filter changes require application-specific approval; no universal road legality or fault-light guarantee is implied.\u003c\/p\u003e\u003ch3\u003eInstallation Resources\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/store-fh9wsjv2.mybigcommerce.com\/content\/Instruction%20Guides\/INSTALL%20GUIDE_%202018-2023%20Mercedes-Benz%20E63_GT63%20AMG%20Sport%20Cats2.pdf\" target=\"_blank\" rel=\"noopener\"\u003eManufacturer installation document (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eWith over 20 years of parts experience, PMB Performance can help check the application. Share your VIN and photos or references for the component being replaced before ordering if the match is uncertain.\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;\"\u003e2018–2023\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;\"\u003eMercedes-Benz\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;\"\u003eAMG E63 S wagon\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;\"\u003eMatching M177 original downpipe\/sensor layout\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;\"\u003eOriginal downpipe cutting is specified for removal in the installation guide; confirm exact chassis and market.\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;\"\u003e\u003cspan style=\"white-space:nowrap;\"\u003e2019–2023\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;\"\u003eMercedes-Benz\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;\"\u003eAMG GT63 four-door\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;\"\u003eMatching M177 exhaust layout\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;\"\u003eNot the AMG GT two-door. Verify original sensors, joints and installation procedure.\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":67817317400754,"sku":"FS.MER.M177.SC","price":4395.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/DSC06958__60992.jpg?v=1793119421","url":"https:\/\/pmbperformance.com\/products\/fabspeed-mercedes-benz-amg-e-63s-gt63-sport-cat-downpipes-2016-2023","provider":"PMB Performance","version":"1.0","type":"link"}