Top Speed Pro1 Valved Catback Exhaust System – BMW G80 M3 / G82 M4 (2021–2025)
Performance Sound | OEM Valve Control Compatible
Upgrade your BMW G80 M3 or G82 M4 with the Top Speed Pro1 Performance Catback Exhaust System, engineered to enhance both sound and performance while retaining full OEM valve functionality. Crafted from premium stainless steel with precision TIG welds and mandrel-bent piping, this system delivers a bold, throaty exhaust tone with dynamic valve control to suit your driving style.
This system is designed for direct compatibility with the factory electronic valve modules, which must be transferred during installation.
Key Features:
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Exhaust Valve Integration – Retains factory electronic valve module operation
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Aggressive, Deep Tone Under Load – Refined during cruising
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Mandrel-Bent Stainless Steel Construction – Improved flow and durability
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TIG Welded by Hand – High-strength, clean, professional welds
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Plug-and-Play Fitment with OEM Valve Control System
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Actual Sound Clips Available – Hear the exhaust before you buy
Vehicle Fitment:
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BMW G80 M3 Sedan (2021–2025)
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BMW G82 M4 Coupe (2021–2025)
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Fits 3.0L Twin Turbo S58 engine with factory exhaust valve system
⚠️ Installation Note:
This exhaust system requires transferring your factory OEM electronic valve modules to the new system.
Professional installation is recommended for proper valve function and fitment.
Shipping Info:
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Shipping rates listed apply to the 48 contiguous U.S. states only
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For Alaska, Hawaii, Puerto Rico, Guam, U.S. Virgin Islands, or international orders, please contact us for a custom shipping quote.
Sound Policy:
Each exhaust system delivers a unique tone that varies by vehicle and driving conditions.
Returns will not be accepted based on individual sound level preferences.
❓ Frequently Asked Questions
Will this exhaust fit my BMW?
Yes, this system fits all BMW G80 M3 Sedans and G82 M4 Coupes from 2021 to 2025 equipped with the 3.0L twin-turbo S58 engine and factory valve exhaust system.
Does this exhaust support the OEM valve system?
Yes. The factory electronic valve modules must be transferred to the new system during installation. This allows full compatibility with OEM drive modes and valve control.
Do I need to modify anything?
No modifications are required. The system is a direct bolt-on fit and designed to integrate with the factory valve control setup. However, professional installation is strongly recommended.
What kind of sound should I expect?
This catback produces a deep, throaty, and aggressive tone with the valves open, and a more refined sound when closed. Sound varies depending on driving mode and throttle input.
Can I return the system if I don’t like the sound?
Unfortunately, we do not accept returns based on sound preference, as it is subjective and influenced by vehicle setup, driving conditions, and personal expectations.
Do you ship outside the U.S. mainland?
Yes, but shipping rates shown apply only to the 48 contiguous U.S. states. Please contact us for quotes to Alaska, Hawaii, Puerto Rico, Guam, U.S. Virgin Islands, or international destinations.
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