BMW M3/M4 Equal-Length Z-Pipe Midpipe 2021+ (S58 G8X) | WSTN Performance
Equal-length Z-pipe merge for the S58, tuned for a deeper note and cleaner turbo response. WSTN Performance equal-length Z-pipe midpipe for BMW M3/M4 G80/G82/G83 S58. Why Upgrade? ✓ Equal-Length Z-Pipe Design: Double Z-pipe merge collector balances pulse timing across both banks for a smoother, deeper exhaust note and reduced backpressure. ✓ Evened-Out Pulses: Equal-length routing keeps exhaust pulses reaching the turbos in sync, sharpening throttle response over an unequal-length factory-style midpipe. ✓ Direct Bolt-On: Replaces the factory midpipe in the stock location, no cutting or modification required. Key Features & Specs Material: T304 stainless steel Construction: TIG-welded Design: Equal-length double Z-pipe merge collector Branding: WSTN Performance logo Fitment & Compatibility ✓ BMW M3 (G80) / 2021+ / S58 3.0TT ✓ BMW M4 (G82) / 2021+ / S58 3.0TT ✓ BMW M4 Convertible (G83) / 2021+ / S58 3.0TT Check it fits your car Use the fitment selector on this page to confirm your exact make, model, and year before ordering. What's In the Box ✓ 1 x WSTN Performance Equal-Length Z-Pipe Midpipe with WSTN Performance logo Installation Difficulty: 2 of 5: bolt-on midpipe replacement Time: 1 to 2 Hours Mounting: Bolts to factory flanges in the stock midpipe location, factory hangers reused. Warranty / Shipping DISCLAIMER WSTN Performance components are designed for track and competition use. To protect your build and ensure a perfect finish, we recommend professional installation by a certified specialist/workshop. It is the buyer's responsibility to ensure modifications comply with local regulations. WARRANTY We stand behind every product we sell. All WSTN Performance products carry a 1 year WSTN Performance warranty as standard. This covers any manufacturing defects, giving you total peace of mind that your upgrade is built to last. View our full Warranty policy page here. SHIPPING We offer tracked worldwide shipping on our entire catalogue. Lead times are shown on the product page. View our full Shipping policy page here. RETURNS We offer returns on all products if items are damaged or there is something wrong. If we ever make a mistake, we'll cover the return shipping to make it right. View our full Return policy page here. SUPPORT Need a hand with fitment, shipping, or a return? Our Perth-based team is here to help you get your build perfect. Email: contact@wstnperformance.com