{"product_id":"mad-bmw-540-g30-2017-2023-b58-axle-back-exhaust","title":"MAD BMW 540 G30 2017-2023 B58 Axle Back Exhaust","description":"\u003cp\u003eThe MAD 540 Axle Back is built for B58-powered G30 owners who want a deeper, more confident exhaust note and freer-flowing performance without turning their luxury sedan into a race car. It's a clean, bolt-on upgrade over the muted factory system.\u003c\/p\u003e\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium stainless steel:\u003c\/strong\u003e corrosion-resistant and built to last as a permanent addition to the car.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreer flow:\u003c\/strong\u003e the redesigned pathway cuts backpressure so the engine breathes easier and pulls harder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound profile:\u003c\/strong\u003e deep and resonant with real presence, but tuned to stay sophisticated rather than rowdy — and free of cabin drone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive 90mm tips\u003c\/strong\u003e for a purposeful look at the rear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBumper compatibility:\u003c\/strong\u003e works with both M Sport and non-M Sport bumpers (non-M Sport requires no diffuser).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect bolt-on:\u003c\/strong\u003e integrates with the factory layout — no major modifications needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW 540i (G30), 2017–2023, B58 engine.\u003c\/p\u003e\n\u003cp\u003eAvailable now from KORE SPEED, proudly Canadian-owned. For fitment help, email \u003ca href=\"mailto:support@korespeed.com\"\u003esupport@korespeed.com\u003c\/a\u003e.\u003c\/p\u003e","brand":"MAD","offers":[{"title":"Default Title","offer_id":51574529753144,"sku":null,"price":1699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1775\/7947\/files\/PhotoRoom_004_20240405_152747__32962.1713627904.386.513.jpg?v=1764906181","url":"https:\/\/korespeed.com\/products\/mad-bmw-540-g30-2017-2023-b58-axle-back-exhaust","provider":"KORE SPEED","version":"1.0","type":"link"}