The Dinan 20-26 BMW M340i Freeflow Axleback Exhaust System is a high-performance upgrade designed to enhance sound and flow for the BMW M340i model years 2020 through 2026. Constructed entirely of TIG welded and brushed T304 stainless steel, this system features larger 76mm tubing compared to the stock 70mm, allowing for freer exhaust flow. The system incorporates quad tips and dual valves, enabling a deeper, meatier tone when open and quieter operation when closed. Its innovative design improves both sound quality and performance, mimicking a straight pipe setup while maintaining drone abatement technologies for a refined interior experience.
This axleback exhaust is a direct bolt-on upgrade for 2020–2026 BMW M340i models, offering a combination of aggressive sound and civility suitable for street and spirited driving. It is designed specifically for vehicles equipped with the factory exhaust configuration, with no additional modifications required. The kit includes the exhaust system components and is intended for enthusiasts seeking increased performance, enhanced sound, and a premium appearance. Ideal for daily driving or performance tuning, this system elevates the M340i’s exhaust note while ensuring durability and quality.
