{"product_id":"milltek-secondary-catalyst-bypass-bmw-g8x-m3-m4-ssxbm1339","title":"Milltek Secondary Catalyst Bypass | BMW G8X M3 M4 [SSXBM1339]","description":"\u003cp\u003eNon-resonated 102mm single mid pipe for BMW G8X M3 and M4 (S58 engine). Direct fitment to OE axle back or compatible with Milltek Axle Back systems. Engineered for closed-course and track use.\u003c\/p\u003e\u003cp\u003eT304L stainless steel, mandrel-bent construction with hand-finished welds. Designed to eliminate secondary catalytic restriction while maintaining OEM+ mounting points and hanger compatibility. Ships August 1, 2024.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW M3 G80 (2021+)\u003c\/li\u003e\n\u003cli\u003eBMW M4 G82\/G83 (2021+)\u003c\/li\u003e\n\u003cli\u003eWorks with OE axle back (SSXBM1339) or Milltek Axle Back (SSXBM1340)\u003c\/li\u003e\n\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":50282949869706,"sku":"MTK.SSXBM1339","price":1163.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/4599\/4122\/files\/SSXBM1339_1.jpg?v=1790257375","url":"https:\/\/www.sbxperformance.com\/products\/milltek-secondary-catalyst-bypass-bmw-g8x-m3-m4-ssxbm1339","provider":"SBX Performance","version":"1.0","type":"link"}