{"product_id":"milltek-secondary-catalyst-bypass-for-bmw-g8x-m3-m4-ssxbm1339","title":"Milltek Secondary Catalyst Bypass for BMW G8X M3 M4","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\n\u003cp\u003eDesigned and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.\u003c\/p\u003e\n\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cul class=\"fitment-list\"\u003e\n\u003cli\u003e2021-2026 BMW M3 Competition\u003c\/li\u003e\n\u003cli\u003e2021-2026 BMW M4 Competition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150800777502,"sku":"MILSSXBM1339","price":1163.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXBM1339_1.jpg?v=1791255593","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-secondary-catalyst-bypass-for-bmw-g8x-m3-m4-ssxbm1339","provider":"Signature Autohaus","version":"1.0","type":"link"}