{"product_id":"mad-bmw-s58-4-fat-boy-single-midpipe-m2-g87","title":"MAD BMW S58 4\" Fat Boy Single Midpipe M2 G87","description":"\u003cp\u003eFlow is everything — and the MAD 4\" Fat Boy Midpipe delivers it for the G87 M2. Built for the S58 platform, it runs a full-length single 4\" center section with a minimum 3\" diameter throughout, so exhaust flow stays unrestricted and throttle response sharpens.\u003c\/p\u003e\n\u003cp\u003eThe result is a deeper, smoother, more aggressive tone with noticeably less rasp — even with aftermarket downpipes. Track or street, it brings out the best in the G87 M2.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFull-length single \u003cstrong\u003e4\" center section\u003c\/strong\u003e for maximum flow.\u003c\/li\u003e\n\u003cli\u003eMinimum \u003cstrong\u003e3\" diameter\u003c\/strong\u003e throughout to eliminate restrictions.\u003c\/li\u003e\n\u003cli\u003eDeep, aggressive tone with reduced rasp.\u003c\/li\u003e\n\u003cli\u003eCompatible with both stock and aftermarket downpipes.\u003c\/li\u003e\n\u003cli\u003eIncludes 3\" and 2.75\" reducer couplers to fit aftermarket or factory axle-back systems.\u003c\/li\u003e\n\u003cli\u003eUses the factory cut point and clamp system for an easy, reversible install.\u003c\/li\u003e\n\u003cli\u003eIncludes an upgraded brace for proper clearance with the larger midpipe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW M2 (G87) with the S58 engine.\u003c\/p\u003e\n\u003cp\u003eShips from our Vancouver shop — KORE SPEED is proudly Canadian-owned, with no surprise cross-border duties for Canadian buyers. Questions on fitment? Email \u003ca href=\"mailto:support@korespeed.com\"\u003esupport@korespeed.com\u003c\/a\u003e.\u003c\/p\u003e","brand":"MAD","offers":[{"title":"Default Title","offer_id":51574532472888,"sku":"MAD-136","price":659.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1775\/7947\/files\/WhatsApp_Image_2025-10-10_at_12.44.36_f5141513__66525.1761754049.386.513.jpg?v=1764906737","url":"https:\/\/korespeed.com\/products\/mad-bmw-s58-4-fat-boy-single-midpipe-m2-g87","provider":"KORE SPEED","version":"1.0","type":"link"}