
M-Tech Performance B58 Downpipe 2025
2025 M-Tech Performance B58 Downpipe – Catless, 304 Stainless Steel Unlock your BMW true performance potential with the all-new 2025 M-Tech Performance B58 Downpipe. Precision-engineered from premium 304 stainless steel, this catless downpipe is designed to deliver maximum exhaust flow, improved turbo response, and a noticeably aggressive exhaust note. Enjoy proven gains in horsepower, torque, and throttle response whether you’re carving up back roads or chasing personal bests at the track. Direct fit for B58-powered BMW (see compatibility below) Made from high-grade 304 stainless steel for durability and corrosion resistance Catless design for maximum power and enhanced turbo sound Precision TIG welding for long-term reliability Improved throttle response and reduced turbo lag Designed, tested, and supported by enthusiasts Compatible Models:2025–Present BMW M340i (G20/G21) M440i Specifications:Engine: BMW B58 Turbocharged I6Material: 304 Stainless SteelConfiguration: Catless (for