The BMW G90 and G99 M5 combine incredible performance with everyday luxury, but the factory exhaust leaves much of the S68 twin-turbo V8's personality hidden. For enthusiasts who want a richer exhaust note without overwhelming cabin volume, we've developed the perfect solution.

Introducing the MAD Resonated H-Pipe Midpipe for the BMW G90/G99 M5—a premium exhaust upgrade that enhances the unmistakable character of the S68 while maintaining the comfort expected from a modern M car.

By combining a classic H-pipe crossover with high-flow resonators, this new system delivers the best of both worlds: a deeper, fuller V8 soundtrack and exceptional refinement for daily driving.

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Refined Performance, Authentic V8 Character

BMW engineered the factory exhaust to prioritize refinement, but in doing so, much of the S68's natural sound is subdued.

The MAD Resonated H-Pipe Midpipe restores the engine's personality by allowing both exhaust banks to communicate through a precision-engineered H-pipe crossover. Integrated high-flow resonators smooth unwanted frequencies, producing an exhaust note that is noticeably deeper, cleaner, and more refined than stock.

Rather than simply increasing volume, this system focuses on improving the overall quality of the sound.

The result is:

• A deeper, fuller exhaust tone
• Richer cross-plane V8 rumble
• Smoother exhaust note throughout the RPM range
• Improved character under acceleration
• Virtually no drone during highway cruising

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Why Choose a Resonated H-Pipe?

For many enthusiasts, the ideal exhaust upgrade isn't the loudest one—it's the one that delivers the most enjoyable sound every time you drive.

The combination of an H-pipe crossover and high-flow resonators offers several advantages:

• Preserves the classic dual-exhaust layout
• Enhances the natural low-frequency V8 tone
• Reduces harsh frequencies and unwanted resonance
• Maintains excellent cabin comfort
• Produces an aggressive sound only when you want it

Whether you're commuting, taking a road trip, or enjoying a spirited drive, the exhaust remains refined at cruising speeds while coming alive under throttle.

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Engineered for Everyday Driving

The MAD Resonated H-Pipe was designed specifically for owners who appreciate performance but don't want excessive cabin noise.

Its carefully tuned resonators help reduce interior resonance while preserving the aggressive character of the S68.

Benefits include:

• Reduced cabin resonance
• Virtually zero highway drone
• Smooth, premium exhaust tone
• Comfortable daily drivability
• Aggressive exhaust note during acceleration

It's an excellent option for drivers who spend as much time on the highway as they do enjoying winding roads.

Premium Materials, Precision Fitment

Every MAD exhaust component is engineered with quality and longevity in mind.

The Resonated H-Pipe Midpipe is manufactured from premium T304 stainless steel, providing outstanding durability, corrosion resistance, and long-term performance.

Designed specifically for the G90 and G99 M5 platforms, it offers OEM-quality fitment and straightforward installation.

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Compatible with Factory or MAD Axle-Back Systems

The MAD Resonated H-Pipe integrates seamlessly with multiple exhaust configurations.

It is compatible with:

• Factory BMW axle-back exhaust
• MAD G90/G99 M5 Axle-Back Exhaust

When paired with the MAD Axle-Back, installation is completely bolt-on with no tuning required.

For vehicles retaining the OEM axle-back, minor cutting is required during installation.

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Vehicle Fitment

Designed specifically for:

• BMW G90 M5
• BMW G99 M5 Touring

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The Perfect Balance Between Sound and Comfort

Every enthusiast has a different idea of the perfect exhaust note. Some want maximum volume, while others prefer a deeper, more sophisticated soundtrack they can enjoy every day.

The new MAD BMW G90/G99 M5 Resonated H-Pipe Midpipe was developed for the latter. It delivers the unmistakable rumble of BMW's twin-turbo S68 V8 while maintaining the comfort, refinement, and drivability expected from a premium performance sedan or touring model.

If you're looking for an exhaust upgrade that enhances the sound without sacrificing daily usability, the Resonated H-Pipe is the perfect addition to your G90 or G99 M5.

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Shop the NEW MAD BMW G90/G99 M5 Resonated H-Pipe Midpipe

Experience a deeper, more refined V8 soundtrack with the latest addition to the MAD exhaust lineup.

Learn more and order here: https://mad-us.com/mad-bmw-g90-m5-h-pipe-midpipe-resonated/