KYOSTAR Valved Titanium Catback Exhaust System for 2021+ BMW G80 M3 G82 G83 M4 2022+ G81 M3 S58 3.0T

KYOSTAR Valved Titanium Catback Exhaust System for BMW G80 G81 M3 G82 G83 M4 S58 3.0T

Upgrade your BMW M performance platform with the KYOSTAR Valved Titanium Catback Exhaust System, engineered specifically for S58 3.0T twin-turbo models. Combining lightweight Grade 5 titanium construction with an electronically controlled valve system, this exhaust delivers an aggressive performance sound under acceleration while maintaining a refined driving experience during daily use.

Manufactured from premium titanium with precision TIG welding, this catback exhaust system significantly reduces weight compared with the factory exhaust while improving exhaust flow efficiency. The optimized mandrel-bent tubing design helps reduce backpressure, improve exhaust pulse flow, and provide sharper throttle response for both street and track-focused BMW M builds.

Features

• Premium Grade 5 titanium construction provides lightweight performance and excellent heat resistance.

• Electronic valve-controlled design allows adjustable exhaust sound for daily driving and performance use.

• Mandrel-bent titanium tubing improves exhaust flow and reduces restriction compared with the factory system.

• Precision TIG welding ensures durability, strength, and long-term reliability under high-temperature conditions.

• Burnt titanium finish provides a motorsport-inspired appearance for BMW S58 engine bays and exhaust setups.

Fitment

• 2021+ BMW G80 M3 S58 3.0T

• 2021+ BMW G80 M3 Competition S58 3.0T

• 2021+ BMW G80 M3 Competition xDrive S58 3.0T

• 2022+ BMW G81 M3 Touring Competition xDrive S58 3.0T

• 2021+ BMW G82 M4 Coupe S58 3.0T

• 2021+ BMW G82 M4 Competition S58 3.0T

• 2021+ BMW G82 M4 Competition xDrive S58 3.0T

• 2021+ BMW G83 M4 Convertible S58 3.0T

• 2021+ BMW G83 M4 Competition xDrive S58 3.0T

Note:

• Compatible with BMW S58 3.0L Twin-Turbo Inline-6 engine applications only.

• Not compatible with S55, B58, N55, or other BMW engine platforms.

• Please verify your vehicle model, production year, factory exhaust configuration, and valve connection before purchase.

• Designed to work with factory electronic exhaust valve control.

Fitment Note:

Vehicle exhaust configurations may vary depending on production date, regional emissions equipment (OPF/GPF), Competition package, and previous aftermarket modifications. Please compare your original exhaust layout, valve connection, and mounting points with the product photos before installation.

Professional installation is recommended. Proper installation and valve calibration are required to ensure leak-free operation, correct valve function, and maximum exhaust performance.

Product Details

FAQ

Q: What BMW models does this titanium exhaust fit?
A: This valved titanium catback exhaust is designed for BMW G80/G81 M3 and G82/G83 M4 models equipped with the S58 3.0T twin-turbo engine.

Q: Does this exhaust support factory valve control?
A: Yes. The system is designed to work with the factory electronic exhaust valve control system.

Q: What are the benefits of titanium construction?
A: Titanium provides significant weight reduction, excellent heat resistance, and a premium motorsport-grade finish compared with traditional stainless steel exhaust systems.

Q: Will this exhaust be too loud for daily driving?
A: The valve-controlled design allows quieter operation during normal driving and a more aggressive exhaust tone when the valves open.

Q: Is professional installation required?
A: Professional installation is recommended to ensure proper alignment, valve operation, and exhaust sealing.