Top Speed Pro-1 BMW G80 M3 / G82 M4 Valved Performance Catback Exhaust System (2021–2025)

Top Speed Pro-1 Valved Catback Exhaust System

BMW G80 M3 / G82 M4 (2021–2025) | Performance Sound with OEM Valve Control

Enhance both performance and sound on your BMW G80 M3 or G82 M4 with the Top Speed Pro-1 valved catback exhaust system. Engineered to deliver a bold, aggressive exhaust note while maintaining full OEM electronic valve functionality, this system adapts seamlessly to your driving modes and preferences.

Constructed from premium stainless steel, the exhaust features mandrel-bent piping and hand-finished TIG-welded construction for optimal exhaust flow, durability, and a clean professional finish.

This system is designed to work directly with the factory valve control system. OEM electronic valve modules must be transferred during installation to retain full valve operation.

Key Features

• OEM valve integration – retains factory electronic valve control
• Deep, aggressive tone under throttle with refined cruising sound
• Mandrel-bent stainless steel piping for improved exhaust flow
• Hand TIG-welded construction for strength and precision
• Direct bolt-on fitment with OEM valve system compatibility
• Actual sound clips available

Vehicle Fitment

• BMW G80 M3 Sedan (2021–2025)
• BMW G82 M4 Coupe (2021–2025)
• Fits 3.0L twin-turbo S58 engines with factory exhaust valves

Installation Note

Factory OEM electronic valve modules must be transferred to the new exhaust system. Professional installation is recommended to ensure proper valve operation and fitment.

Sound Policy

Exhaust sound characteristics may vary based on vehicle configuration, driving mode, and conditions. Returns will not be accepted based on individual sound preference.

Shipping Information

Shipping rates apply to the 48 contiguous U.S. states only.
For shipping to Alaska, Hawaii, Puerto Rico, Guam, U.S. Virgin Islands, or international destinations, please contact us for a custom shipping quote.

Frequently Asked Questions

Will this exhaust fit my BMW?
Yes. This system fits BMW G80 M3 Sedans and G82 M4 Coupes from 2021–2025 equipped with the 3.0L twin-turbo S58 engine and factory exhaust valve system.

Does this exhaust support OEM valve control?
Yes. The factory electronic valve modules are transferred during installation, allowing full compatibility with OEM drive modes and valve operation.

Are modifications required?
No vehicle modifications are required. This is a direct bolt-on system, though professional installation is strongly recommended.

What sound should I expect?
With valves open, expect a deep, throaty, and aggressive tone. When closed, the exhaust remains refined and comfortable for daily driving.

Can I return the exhaust if I don’t like the sound?
No. Returns are not accepted based on sound preference, as exhaust tone is subjective and varies by setup and driving conditions.

Do you ship outside the U.S. mainland?
Yes. Shipping rates shown apply to the 48 contiguous U.S. states only. Please contact us for shipping quotes to non-continental U.S. locations or international destinations.