Description
Enhance the exhaust sound, flow, and driving experience of your BMW S58-powered M car with the MAD Resonated H-Pipe Midpipe for the G80/G81 M3 and G82/G83 M4. Designed specifically for the latest G8X platform, this performance midpipe retains the factory-style dual H-pipe layout while significantly improving exhaust flow and sound quality.
The OEM midpipe system utilizes restrictive secondary catalytic converters and oversized resonators that reduce exhaust efficiency and mute the aggressive character of the S58 engine. The MAD Resonated H-Pipe Midpipe replaces these restrictive components with a high-flow dual midpipe design featuring compact, carefully engineered resonators that improve exhaust tone while minimizing unwanted drone and harsh frequencies.
By maintaining the factory-inspired H-pipe crossover configuration, the system preserves balanced exhaust scavenging and smooth sound delivery throughout the RPM range. The result is a deeper, more pronounced exhaust note with improved volume and a refined sporty tone that remains comfortable for daily driving and spirited performance use.
Constructed from premium high-grade stainless steel, the MAD Resonated H-Pipe Midpipe is built for durability, corrosion resistance, and long-lasting performance. The direct-fit design allows seamless compatibility with both factory and aftermarket downpipes and axle-back exhaust systems.
This system bolts directly to the downpipe section using factory-style mounting points. When paired with the MAD axle-back or most compatible aftermarket axle-back systems, no cutting is required. If used with the factory axle-back exhaust, minimal cutting is necessary during installation.
Features
- Designed specifically for BMW G8X S58-powered M models
- Factory-style dual midpipe H-pipe configuration
- Improves exhaust flow and reduces restriction
- Replaces restrictive factory secondary catalytic converters and resonators
- Produces a deeper and more aggressive exhaust tone
- Compact resonators help minimize drone and unwanted frequencies
- Smooth and refined sound throughout the RPM range
- Direct bolt-on compatibility with OEM and aftermarket downpipes
- Compatible with factory and aftermarket axle-back exhaust systems
- High-grade stainless steel construction for durability
- Precision-engineered fitment for easy installation
What's Included
- Full dual midpipe H-pipe assembly
- All required clamps and installation hardware
Installation Notes
- Requires cutting only when used with the factory axle-back exhaust
- No cutting required when paired with the MAD axle-back or compatible aftermarket axle-back systems
- Bolts directly to factory or aftermarket downpipes
- Downpipe gasket is not included
- BMW Part Number Required: 18308053348
- Quantity Required: 2
Vehicle Fitment
- 2021+ BMW M3 G80 Sedan
- 2021+ BMW M3 G81 Touring
- 2021+ BMW M4 G82 Coupe
- 2021+ BMW M4 G83 Convertible
- Fits rear-wheel drive and xDrive S58-powered M3 and M4 models
Off-Road Use Disclaimer
- Intended for off-road or competition use only where emissions compliance is not required
- Always verify local laws and regulations before installing aftermarket exhaust components
Upgrade your BMW G80/G81 M3 or G82/G83 M4 with the MAD S58 Resonated H-Pipe Midpipe. Improve exhaust flow, reduce rasp, and enjoy a deeper refined exhaust tone with premium stainless steel construction.
