{"product_id":"milltek-secondary-catalyst-bypass-bmw-m3-m4-g80-g82-s58-non-opf-resonated-oe-axle-back","title":"Milltek Secondary Catalyst Bypass – BMW M3 \/ M4 (G80\/G82) S58 (Non-OPF) – Resonated → OE Axle-Back","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eMilltek's secondary catalyst bypass mid-sections open up the S58 M3 and M4 (US non-OPF cars) for more flow and a louder note. Configured as Resonated → OE Axle-Back. Off-road\/competition use.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eT304 aircraft-grade stainless steel construction\u003c\/li\u003e\n\u003cli\u003eMandrel-bent, TIG-welded; hand-finished tips\u003c\/li\u003e\n\u003cli\u003eSecondary-cat bypass mid-section\u003c\/li\u003e\n\u003cli\u003eResonated or non-resonated\u003c\/li\u003e\n\u003cli\u003eMates to the OE or a Milltek axle-back (select correct version)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMilltek secondary-cat bypass mid-section (per selected option)\u003c\/li\u003e\n\u003cli\u003eFitting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSelect the version matching your axle-back (OE vs Milltek)\u003c\/li\u003e\n\u003cli\u003eOff-road\/competition use only — not emissions compliant\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eResonated → OE Axle-Back — SSXBM1269\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3 \/ M3 Competition\u003c\/td\u003e\n\u003ctd\u003eG80\u003c\/td\u003e\n\u003ctd\u003eS58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4 \/ M4 Competition\u003c\/td\u003e\n\u003ctd\u003eG82 \/ G83\u003c\/td\u003e\n\u003ctd\u003eS58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Milltek","offers":[{"title":"Resonated → OE Axle-Back","offer_id":53844918272307,"sku":"SSXBM1269","price":1466.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/SSXBM1267_1.jpg?v=1785624358","url":"https:\/\/x58cartel.com\/products\/milltek-secondary-catalyst-bypass-bmw-m3-m4-g80-g82-s58-non-opf-resonated-oe-axle-back","provider":"x58cartel","version":"1.0","type":"link"}