ZERRA ATC Full Valved Exhaust System – BMW M3 G80/G81 & M4 G82/G83

PREORDER NOW - Deliveries starting in October 2026 The S58, re-engineered to sound right. The ZERRA ATC Full Valved Exhaust System was created to give the BMW S58 engine the deep, clean and distinctive soundtrack it deserves. Rather than simply increasing volume, the system uses our proprietary Acoustic T-Chamber (ATC) architecture to shape the exhaust note and control the frequencies responsible for the metallic rasp and unwanted resonance commonly associated with the S58. The result is a richer, more defined exhaust character: refined when cruising and intensely aggressive under load. At the rear, our signature full-CNC-machined exhaust tips 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. Key features Complete exhaust system from the original downpipes rearwards Proprietary ZERRA Acoustic T-Chamber technology Engineered for a deeper, cleaner and more defined S58 soundtrack Designed to reduce metallic rasp and unwanted cabin resonance Premium 89 mm ASR Component exhaust valve 🇩🇪 Full-CNC-machined ZERRA signature exhaust tips High-grade stainless-steel construction Precision TIG-welded and handcrafted in Romania Large-diameter, performance-oriented exhaust routing Valve-closed mode for a more controlled and comfortable sound Valve-open mode for maximum flow and an aggressive exhaust character Direct bolt-on installation Two-year limited warranty Acoustic T-Chamber At the heart of the system is the ZERRA ATC muffler, an acoustic architecture developed to achieve more than conventional straight-through mufflers. The 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. Less rasp. Less resonance. More character. Signature full-CNC tips The 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. Their precise surfaces, three-dimensional geometry and substantial construction create a rear-end appearance that is immediately recognisable as ZERRA. ASR Component 89 mm exhaust valve Sound control is managed by a premium exhaust valve supplied by ASR Component. Its large internal diameter supports unrestricted exhaust flow in the open position while allowing the system to maintain a more restrained character when closed. This gives the driver two clearly differentiated personalities: Valve closed: deeper, controlled and suitable for relaxed driving Valve open: unrestricted, powerful and engaging sound Handcrafted by ZERRA Performance Every 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. This 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. Vehicle compatibility BMW M3 G80 BMW M3 Touring G81 BMW M4 G82 Rear-wheel-drive and xDrive versions OPF/GPF and non-OPF compatibility depending on selected configuration Please provide the vehicle model, production year and market specification when ordering. Professional installation is recommended. Installation is not included in the product price. Important notice This exhaust system is currently not ECE type-approved. It is intended for motorsport, competition and off-road use, or for use where permitted by local legislation. The customer is responsible for verifying the legal requirements applicable in the country where the vehicle is registered and operated.