{"product_id":"valvetronic-designs-valved-sport-exhaust-bmw-m5-g90-g99-s68","title":"Valvetronic Designs Valved Sport Exhaust System – BMW M5 \/ M5 Touring (G90 \/ G99, S68)","description":"\u003cstyle\u003e.sl-desc h2{font-size:1.15em;letter-spacing:.06em;text-transform:uppercase;border-bottom:2px solid #111;padding-bottom:6px;margin:1.6em 0 .7em}.sl-desc h3{font-size:1em;margin:1.2em 0 .4em}.sl-desc ul{margin:0 0 1em 1.2em}.sl-desc li{margin:.25em 0}.va-table{width:100%;border-collapse:collapse;margin:.5em 0 1em;font-size:.95em}.va-table th{text-align:left;padding:10px 8px;border-bottom:2px solid #333;white-space:nowrap}.va-table td{padding:8px;border-bottom:1px solid #e5e5e5;vertical-align:top}\u003c\/style\u003e\u003cdiv class=\"sl-desc\"\u003e\n\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eValvetronic Designs built the first aftermarket exhaust for the G90 M5, and this valved cat-back is the result. The factory G90 system has no exhaust valves, so Valvetronic adds its own: open, the S68 twin-turbo V8 gets a raw, aggressive tone with no unwanted rasp; closed, the car settles into a quiet, refined note for commuting.\u003c\/p\u003e\n\u003cp\u003eThe valves run from a stand-alone remote, so sound is under the driver's control rather than tied to drive mode. The system is offered in Valvetronic's signature Grade 5 titanium or in brushed T304 stainless steel, with six tip finishes, and is fully reversible to stock.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Grade 5 titanium or brushed T304 stainless steel (per variant)\u003c\/li\u003e\n\u003cli\u003eElectronic exhaust valves with stand-alone remote control\u003c\/li\u003e\n\u003cli\u003eFully mandrel-bent for optimal flow; precision TIG welds\u003c\/li\u003e\n\u003cli\u003eSignificantly lighter than the factory system\u003c\/li\u003e\n\u003cli\u003eTips: raw burnt titanium (4.0 in, titanium systems only), brushed steel, burnt, black, forged carbon fiber (3.5 in), carbon fiber 1x1 (4.0 in)\u003c\/li\u003e\n\u003cli\u003e100% reversible to the factory exhaust\u003c\/li\u003e\n\u003cli\u003eDesigned and built in Pennsylvania, USA, for North American-market vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eValved cat-back exhaust system in the material selected\u003c\/li\u003e\n\u003cli\u003eExhaust valve controller kit with stand-alone remote\u003c\/li\u003e\n\u003cli\u003eQuad exhaust tips in the finish selected\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired extras: None.\u003c\/strong\u003e The valve controller and remote are included.\u003c\/li\u003e\n\u003cli\u003eValvetronic Designs does not publish an installation guide for this system; professional installation is recommended.\u003c\/li\u003e\n\u003cli\u003eSystems are made to order and ship direct from Valvetronic Designs; lead times vary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW.G90.M5.VSES.TI.[tip]\u003c\/strong\u003e — G90 M5 sedan, Grade 5 titanium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW.G9X.M5.VSES.TI.[tip]\u003c\/strong\u003e — G99 M5 Touring, Grade 5 titanium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW.G9X.M5.VSES.BR.[tip]\u003c\/strong\u003e — G90 \/ G99, brushed T304 stainless steel\u003c\/li\u003e\n\u003cli\u003eTip codes: TIBRT = raw burnt titanium (titanium only) · BRSH = brushed steel · BRT = burnt · BLK = black · FC = forged carbon fiber · RC = carbon fiber 1x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable class=\"va-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM5\u003c\/td\u003e\n\u003ctd\u003eG90\u003c\/td\u003e\n\u003ctd\u003eS68 4.4L Twin-Turbo V8 (Plug-in Hybrid)\u003c\/td\u003e\n\u003ctd\u003e2025–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM5 Touring\u003c\/td\u003e\n\u003ctd\u003eG99\u003c\/td\u003e\n\u003ctd\u003eS68 4.4L Twin-Turbo V8 (Plug-in Hybrid)\u003c\/td\u003e\n\u003ctd\u003e2025–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Valvetronic Designs","offers":[{"title":"G90 M5 Sedan \/ Grade 5 Titanium \/ Raw Burnt Titanium (4.0 in 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