G-Tech Motorsport BMW G80 M3 / G81 M3 / G82 M4 / G83 M4 – Equal Length Z-Pipe Crossover Midpipe

Part Number: GTM-S58-ELZP-001 The G-Tech Motorsport Equal Length Z-Pipe Crossover Midpipe has been engineered for BMW S58 owners looking to unlock a more refined exhaust tone while improving overall exhaust flow. Designed with a precision equal-length crossover, this system balances exhaust pulses from both turbochargers, producing a deeper, smoother and more exotic exhaust note compared to the factory midpipe. At the heart of the system is a precision 3D-printed 316L stainless steel Z-pipe crossover, allowing for an exceptionally complex internal geometry that cannot be achieved using conventional fabrication methods. This advanced manufacturing process enables smoother exhaust flow, improved gas velocity and a true equal-length design while showcasing an exceptionally high level of engineering. Although significantly more expensive to manufacture, the 3D-printed crossover provides superior precision, consistency and durability compared to traditionally fabricated alternatives. The remaining pipework is manufactured from premium mandrel-bent T304 stainless steel, delivering excellent corrosion resistance, outstanding durability and OEM-quality fitment. Whether paired with the factory rear silencer or an aftermarket exhaust, the G-Tech Motorsport Equal Length Midpipe transforms the driving experience with improved sound, enhanced flow and sharper throttle response. Key Features Precision 3D-Printed 316L Stainless Steel Z-Pipe – Advanced crossover manufactured using state-of-the-art 3D printing technology for exceptional flow characteristics, precise equal-length routing and industry-leading engineering. Equal Length Exhaust Design – Balances exhaust pulses from both turbo banks for smoother flow, improved scavenging and a distinctive high-performance exhaust note. Non-Resonated Construction – Delivers a louder, more aggressive exhaust tone with increased character throughout the rev range. Mandrel-Bent T304 Stainless Steel Pipework – Precision TIG welded for maximum strength, corrosion resistance and long-term reliability. Optimised Exhaust Flow – Reduces backpressure to improve exhaust efficiency and throttle response. Enhanced S58 Sound – Replaces the factory uneven exhaust character with a deeper, smoother and more exotic tone. Direct Bolt-On Fitment – Designed to utilise the factory mounting points with no cutting or welding required. Vehicle Compatibility Compatible with all 2021+ BMW S58-powered models: BMW G80 M3 Sedan (RWD & xDrive) BMW G81 M3 Touring (xDrive) BMW G82 M4 Coupe (RWD & xDrive) BMW G83 M4 Convertible (xDrive) What's Included G-Tech Motorsport Equal Length Z-Pipe Crossover Midpipe Installation clamps and required fitting hardware (where applicable) Important Information OPF/GPF-equipped vehicles may require software coding or recalibration following installation, depending on vehicle specification. Production & Delivery Each G-Tech Motorsport Equal Length Midpipe is built to order to ensure the highest manufacturing standards. Production Time: Approximately 5–8 business days before dispatch. Orders are carefully packaged and shipped using a tracked delivery service. Please Note As this product is custom manufactured to order, all sales are final unless the item arrives faulty or has been damaged during transit.