{"product_id":"milltek-secondary-catalyst-bypass-bmw-g8x-m3-m4-ssxbm1340","title":"Milltek Secondary Catalyst Bypass | BMW G8X M3 M4 [SSXBM1340]","description":"\u003cp\u003eNon-resonated 102mm mid-pipe secondary catalyst bypass for BMW G8X M3 and M4. Direct OEM+ fitment to Milltek axle-back systems (SSXBM1340) or factory exhaust. Hand-finished T304L stainless steel construction with mandrel-bent piping.\u003c\/p\u003e \u003cp\u003eSingle mid-pipe configuration engineered for turbo-back flexibility. CNC-formed flanges, uses original hangers for installation without modification. Track-focused non-resonated design eliminates secondary cat restrictions for maximum turbo response and mid-range performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFitment: BMW M3 G80 \/ M4 G82 G83\u003c\/li\u003e \u003cli\u003eConfiguration: Non-Resonated Secondary Cat Bypass\u003c\/li\u003e \u003cli\u003eBore: 102mm mandrel-bent\u003c\/li\u003e \u003cli\u003eMaterial: T304L stainless steel, hand-finished\u003c\/li\u003e \u003cli\u003ePairs with: Milltek SSXBM1340 axle-back or OE cat-back systems\u003c\/li\u003e \u003cli\u003eInstallation: OEM hangers, no modification required\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eDesigned and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.\u003c\/p\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBMW 3 Series G80 M3 \u0026amp; M3 Competition S58 3.0 Turbo 2021 and Later\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series G82 M4 \u0026amp; M4 Competition S58 3.0 Turbo 2021 and Later\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eKey Facts\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePipe diameter: 101.60mm\u003c\/li\u003e\n\u003cli\u003eFitting time: 1.5 to 2 hours to fit (including removing OE system)\u003c\/li\u003e\n\u003cli\u003eRace product: Yes\u003c\/li\u003e\n\u003cli\u003eE-marked: No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek Sport","offers":[{"title":"Default Title","offer_id":50282949935242,"sku":"MTK.SSXBM1340","price":1171.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/4599\/4122\/files\/SSXBM1340_1.jpg?v=1790257376","url":"https:\/\/www.sbxperformance.com\/products\/milltek-secondary-catalyst-bypass-bmw-g8x-m3-m4-ssxbm1340","provider":"SBX Performance","version":"1.0","type":"link"}