{"product_id":"milltek-non-resonated-secondary-cat-bypass-bmw-m3-m4-2021-g80-g82-ssxbm1268","title":"Milltek Non-Resonated Secondary Cat Bypass - BMW M3\/M4 2021+ (G80\/G82) - SSXBM1268","description":"\u003cp\u003eNon-resonated secondary catalyst bypass for the BMW G8X M3 and M4 (S58 engine). Constructed from T304L stainless steel with mandrel-bent 3.00 inch (76.2mm) primary piping, the non-resonated design eliminates mid-range resonance for a pronounced, race-focused tone. Hand-finished welds and CNC-formed flanges deliver OEM+ build quality with direct bolt-on installation.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003eT304L stainless steel, mandrel-bent 3.00 inch primary piping\u003c\/p\u003e\n\u003cp\u003eNon-resonated design for a race-focused tone\u003c\/p\u003e\n\u003cp\u003eFits OEM downpipes and Milltek axle-back systems\u003c\/p\u003e\n\u003cp\u003eDirect bolt-on installation with OEM hangers\u003c\/p\u003e\n\u003cp\u003eFits: 2021+ BMW M3 (G80) and M4 (G82)\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Milltek Axle-Back","offer_id":48555640684683,"sku":"SSXBM1268","price":1164.16,"currency_code":"USD","in_stock":true},{"title":"OE Axle-Back","offer_id":48555640717451,"sku":"SSXBM1270","price":1155.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/5084\/8395\/files\/milltek-ssxbm1268-bmw-m3-m4-g8x-non-resonated-secondary-cat-bypass.jpg?v=1784667552","url":"https:\/\/gbmotorsstore.com\/products\/milltek-non-resonated-secondary-cat-bypass-bmw-m3-m4-2021-g80-g82-ssxbm1268","provider":"GB Motors Store ","version":"1.0","type":"link"}