{"product_id":"valvetronic-designs-bmw-g80-g82-g83-m3-m4-hfd-valved-exhaust-system","title":"Valvetronic Designs BMW G80\/G82\/G83 M3\/M4 HFD Valved Exhaust System","description":"\u003ch2\u003eValvetronic Designs HFD Exhaust System for BMW G8X M3\/M4\u003c\/h2\u003e\n\u003cp\u003eThe HFD (High Frequency Development) system combines Valvetronic Designs' 3-inch HFD midpipe with a valved axleback to refine the S58's exhaust tone while retaining electronic sound control. It is designed to improve pulse timing and reduce unwanted rasp without sacrificing the sharper high-frequency character of the engine.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3-inch HFD midpipe layout\u003c\/li\u003e\n\u003cli\u003eValved axleback with included electronic controller\u003c\/li\u003e\n\u003cli\u003eMandrel-bent T304 stainless-steel construction\u003c\/li\u003e\n\u003cli\u003eFull-system packages include exhaust tips, hardware, and clamps\u003c\/li\u003e\n\u003cli\u003eCompatible with stock downpipes; optional 400-cell catted-downpipe packages are also listed\u003c\/li\u003e\n\u003cli\u003eFully reversible installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2020+ BMW G80 M3, G82 M4 Coupe, and G83 M4 Convertible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePre-order \/ special-order notice:\u003c\/strong\u003e Manufacturer availability and estimated ship dates can change. EuroCustomsPR will confirm the current lead time before fulfillment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e Professional installation and vehicle-specific fitment confirmation are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/valvetronic.com\/products\/bmw-g8x-m3-m4-hfd-valved-sport-exhaust-system\" target=\"_blank\" rel=\"noopener\"\u003eManufacturer product reference\u003c\/a\u003e\u003c\/p\u003e","brand":"Valvetronic Designs","offers":[{"title":"HFD Midpipe Only \/ Brushed T304 Stainless Steel \/ No Exhaust Tips (Midpipe Only)","offer_id":45350257426614,"sku":"BMW.G8X.M3.HFD.MP.BR","price":1499.99,"currency_code":"USD","in_stock":true},{"title":"Full System (Catback) \/ Brushed T304 Stainless Steel \/ 1x1 Carbon Fiber (4.0-inch outlet)","offer_id":45350257459382,"sku":"BMW.G8X.M3.VSES.HFD.BR.RC","price":2999.99,"currency_code":"USD","in_stock":true},{"title":"Full System (Catback) \/ Brushed T304 Stainless Steel \/ Brushed Steel (3.5-inch outlet)","offer_id":45350257492150,"sku":"BMW.G8X.M3.VSES.HFD.BR.BRSH","price":2999.99,"currency_code":"USD","in_stock":true},{"title":"Full System (Catback) \/ Brushed T304 Stainless Steel \/ Burnt (3.5-inch outlet)","offer_id":45350257524918,"sku":"BMW.G8X.M3.VSES.HFD.BR.BRT","price":2999.99,"currency_code":"USD","in_stock":true},{"title":"Full System (Catback) \/ Brushed T304 Stainless Steel \/ Black (3.5-inch outlet)","offer_id":45350257557686,"sku":"BMW.G8X.M3.VSES.HFD.BR.BLK","price":2999.99,"currency_code":"USD","in_stock":true},{"title":"Full System (Catback) \/ Brushed T304 Stainless Steel \/ Forged Carbon Fiber (3.5-inch outlet)","offer_id":45350257590454,"sku":"BMW.G8X.M3.VSES.HFD.BR.FC","price":2999.99,"currency_code":"USD","in_stock":true},{"title":"Full System + 400-Cell Catted Downpipes \/ Brushed T304 Stainless Steel \/ 1x1 Carbon Fiber (4.0-inch outlet)","offer_id":45350257623222,"sku":"BMW.G8X.M3.VSES.HFD.400C.BR.RC","price":4999.99,"currency_code":"USD","in_stock":true},{"title":"Full System + 400-Cell Catted Downpipes \/ Brushed T304 Stainless Steel \/ Brushed Steel (3.5-inch outlet)","offer_id":45350257655990,"sku":"BMW.G8X.M3.VSES.HFD.400C.BR.BRSH","price":4999.99,"currency_code":"USD","in_stock":true},{"title":"Full System + 400-Cell Catted Downpipes \/ Brushed T304 Stainless Steel \/ Burnt (3.5-inch outlet)","offer_id":45350257688758,"sku":"BMW.G8X.M3.VSES.HFD.400C.BR.BRT","price":4999.99,"currency_code":"USD","in_stock":true},{"title":"Full System + 400-Cell Catted Downpipes \/ Brushed T304 Stainless Steel \/ Black (3.5-inch outlet)","offer_id":45350257721526,"sku":"BMW.G8X.M3.VSES.HFD.400C.BR.BLK","price":4999.99,"currency_code":"USD","in_stock":true},{"title":"Full System + 400-Cell Catted Downpipes \/ Brushed T304 Stainless Steel \/ Forged Carbon Fiber (3.5-inch outlet)","offer_id":45350257754294,"sku":"BMW.G8X.M3.VSES.HFD.400C.BR.FC","price":4999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1553\/5229\/files\/valvetronic-g8x-hfd-exhaust-1.png?v=1786491752","url":"https:\/\/eurocustomspr.com\/products\/valvetronic-designs-bmw-g80-g82-g83-m3-m4-hfd-valved-exhaust-system","provider":"EuroCustomsPR","version":"1.0","type":"link"}