{"product_id":"zerra-atc-full-valved-exhaust-system-bmw-m3-g80-g81-m4-g82-g83","title":"ZERRA ATC Full Valved Exhaust System – BMW M3 G80\/G81 \u0026 M4 G82\/G83","description":"\u003ch2\u003ePREORDER NOW - Deliveries starting in October 2026\u003c\/h2\u003e\n\u003ch2\u003e\n\u003cbr\u003eThe S58, re-engineered to sound right.\u003c\/h2\u003e\n\u003cp\u003eThe ZERRA ATC Full Valved Exhaust System was created to give the BMW S58 engine the deep, clean and distinctive soundtrack it deserves.\u003c\/p\u003e\n\u003cp\u003eRather than simply increasing volume, the system uses our proprietary \u003cstrong\u003eAcoustic T-Chamber (ATC)\u003c\/strong\u003e architecture to shape the exhaust note and control the frequencies responsible for the metallic rasp and unwanted resonance commonly associated with the S58.\u003c\/p\u003e\n\u003cp\u003eThe result is a richer, more defined exhaust character: refined when cruising and intensely aggressive under load.\u003c\/p\u003e\n\u003cp\u003eAt the rear, our signature \u003cstrong\u003efull-CNC-machined exhaust tips\u003c\/strong\u003e give the system an unmistakable visual identity. Every detail has been designed specifically for the G8X platform, combining acoustic engineering, precision manufacturing and the distinctive ZERRA design language.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eComplete exhaust system from the original downpipes rearwards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProprietary ZERRA Acoustic T-Chamber technology\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEngineered for a deeper, cleaner and more defined S58 soundtrack\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned to reduce metallic rasp and unwanted cabin resonance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePremium 89 mm ASR Component exhaust valve\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e🇩🇪\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFull-CNC-machined ZERRA signature exhaust tips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-grade stainless-steel construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision TIG-welded and handcrafted in Romania\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge-diameter, performance-oriented exhaust routing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eValve-closed mode for a more controlled and comfortable sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eValve-open mode for maximum flow and an aggressive exhaust character\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDirect bolt-on installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo-year limited warranty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAcoustic T-Chamber\u003c\/h2\u003e\n\u003cp\u003eAt the heart of the system is the \u003cstrong\u003eZERRA ATC muffler\u003c\/strong\u003e, an acoustic architecture developed to achieve more than conventional straight-through mufflers.\u003c\/p\u003e\n\u003cp\u003eThe internal geometry is engineered to control undesirable sound frequencies while preserving exhaust flow and the natural character of the S58 engine. This allows the system to produce depth and definition without relying solely on excessive volume.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLess rasp. Less resonance. More character.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eSignature full-CNC tips\u003c\/h2\u003e\n\u003cp\u003eThe exhaust is completed by four tips machined entirely from solid material. Unlike conventional tips assembled from thin tubing and generic carbon sleeves, the ZERRA tips are designed as structural visual components.\u003c\/p\u003e\n\u003cp\u003eTheir precise surfaces, three-dimensional geometry and substantial construction create a rear-end appearance that is immediately recognisable as ZERRA.\u003c\/p\u003e\n\u003ch2\u003eASR Component 89 mm exhaust valve\u003c\/h2\u003e\n\u003cp\u003eSound control is managed by a premium\u003cstrong\u003e exhaust valve supplied by ASR Component\u003c\/strong\u003e. Its large internal diameter supports unrestricted exhaust flow in the open position while allowing the system to maintain a more restrained character when closed.\u003c\/p\u003e\n\u003cp\u003eThis gives the driver two clearly differentiated personalities:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eValve closed:\u003c\/strong\u003e deeper, controlled and suitable for relaxed driving\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eValve open:\u003c\/strong\u003e unrestricted, powerful and engaging sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHandcrafted by ZERRA Performance\u003c\/h2\u003e\n\u003cp\u003eEvery system is manufactured and TIG-welded at ZERRA Performance in Romania. Each assembly is carefully inspected for fitment, alignment and finish before receiving its individual identification plate.\u003c\/p\u003e\n\u003cp\u003eThis is not a mass-produced replacement exhaust. It is a limited-production acoustic and visual upgrade created for owners who want their M3 to sound and look genuinely different.\u003c\/p\u003e\n\u003ch2\u003eVehicle compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBMW M3 G80\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBMW M3 Touring G81\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBMW M4 G82\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRear-wheel-drive and xDrive versions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOPF\/GPF and non-OPF compatibility depending on selected configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease provide the vehicle model, production year and market specification when ordering.\u003c\/p\u003e\n\u003cp\u003eProfessional installation is recommended. Installation is not included in the product price.\u003c\/p\u003e\n\u003ch2\u003eImportant notice\u003c\/h2\u003e\n\u003cp\u003eThis exhaust system is currently \u003cstrong\u003enot ECE type-approved\u003c\/strong\u003e. It is intended for motorsport, competition and off-road use, or for use where permitted by local legislation.\u003c\/p\u003e\n\u003cp\u003eThe customer is responsible for verifying the legal requirements applicable in the country where the vehicle is registered and operated.\u003c\/p\u003e","brand":"Zerra Performance","offers":[{"title":"Default Title","offer_id":54727078150467,"sku":null,"price":37374.0,"currency_code":"RON","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/3812\/6403\/files\/g80atc2.png?v=1786642566","url":"https:\/\/zerraperformance.com\/products\/zerra-atc-full-valved-exhaust-system-bmw-m3-g80-g81-m4-g82-g83","provider":"Zerra Performance","version":"1.0","type":"link"}