The AA Signature Midpipe with X-Pipe is a high-quality midpipe upgrade for BMW G80 M3 and G82 M4 models, designed to improve exhaust flow and technically refine the S58 engine's sound profile. This solution leverages **Active Autowerke's** extensive X-Pipe expertise in BMW M models.
The X-Pipe design merges exhaust flows more harmoniously and over a longer distance than the original solution. This reduces backpressure and produces a cleaner, deeper, and more consistent sound profile throughout the entire RPM range. The sound is clear and purposeful under load, yet remains controlled during steady driving without excessive resonance.
The midpipe is compatible with both the original rear section and most aftermarket exhaust systems. Installation is simple and straightforward, requiring only one cut to the original midpipe. If needed, the original midpipe can be reinstalled.
The construction is made from 100% brushed 304 stainless steel, ensuring excellent corrosion resistance and longevity in demanding operating conditions.
Features
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High-quality 304 stainless steel construction
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X-Pipe design improves flow and balances the sound profile
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Deeper, cleaner, and more consistent sound
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Compatible with original and most aftermarket exhaust systems
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Easy and simple installation
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Original midpipe can be reinstalled if needed