The AA Single Midpipe is a high-quality midpipe upgrade for BMW F8x generation M3 and M4 models, designed to improve exhaust flow and bring out the S55 engine's sound more clearly and in a technically controlled manner. The solution is based on **Active Autowerke's** long-standing experience with exhaust solutions for BMW M models.
The factory-installed midpipe dampens sound and restricts flow, which smooths out the engine's character. The AA Single Midpipe combines the exhaust flows at an earlier stage, producing a deeper, cleaner, and more consistent sound profile across the entire RPM range. The sound is accentuated under load and during acceleration, but remains moderate during steady driving without disturbing resonance.
The midpipe is compatible with the original rear section and works with most aftermarket exhaust systems. Installation is simple and straightforward, and the original midpipe can be reinstalled if needed.
The construction is made of 100% brushed 304 stainless steel, ensuring good corrosion resistance and a long service life in demanding operating conditions.
Features
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High-quality 304 stainless steel construction
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Improved exhaust flow and a clear, controlled sound profile
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Compatible with most aftermarket exhaust systems
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Factory-style connections
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Easy and simple installation
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Original midpipe can be reinstalled if needed