GRAIL valved exhaust system for BMW M550i (G3x) non-OPF models, delivering a deep, aggressive V8 sound with dual-mode control. Built in Germany, it enhances exhaust flow and remains fully road legal with ECE approval.
Specifications:
System type: Valved cat-back exhaust
Material: L304 stainless steel
Valve system: Electronic valve control
Includes: Front pipes, mid section, rear muffler
Approval: ECE approved
Compatibility:
Suitable for BMW M550i (G30 / G31) non-OPF
Model years: approx. 2017 – 2020
Features:
Deep V8 sound with valve control
Dual-mode operation (quiet / aggressive)
Flow-optimized piping for better performance
High-quality stainless steel construction
Direct bolt-on fitment
Ideal for drivers wanting a louder, more refined V8 sound with improved performance and daily usability.

















Benjamin Baker (verified owner) –
Everything lined up perfectly during install.
Raymond Perez (verified owner) –
The welds and finish are top-notch. Very impressed.
Alexander Roberts (verified owner) –
Perfect balance between performance and comfort.
Zachary Cook (verified owner) –
Gave my car a much more aggressive and premium sound.
Rachel Woods (verified owner) –
Gave my car a much more aggressive and premium sound.
Rebecca Diaz (verified owner) –
Adds a sporty character to the car instantly.
Michelle Myers (verified owner) –
Gives my BMW that true performance feel.
Eugene Perry (verified owner) –
The build quality exceeded my expectations.
Ashley Gonzales (verified owner) –
The exhaust note turns heads everywhere I go.
Albert Sanders (verified owner) –
The exhaust system sounds amazing and gives my BMW a deep, aggressive tone.
Bruce Wood (verified owner) –
The tone is deep and sporty at all RPMs.
Billy Bennett (verified owner) –
The exhaust gives a true performance feel.
Alan Long (verified owner) –
The exhaust gives a true performance feel.
Charles Rodriguez (verified owner) –
The exhaust gives a true performance feel.
Matthew Lopez (verified owner) –
The system feels solid and well-built.
Stephen Wright (verified owner) –
No rattling or vibration after installation.
Christopher Martinez (verified owner) –
The exhaust system is lightweight yet durable.
Jessica Simmons (verified owner) –
Great value for such a premium exhaust system.
Russell Flores (verified owner) –
The tone is clean and powerful under acceleration.
Tyler Evans (verified owner) –
Installation was straightforward and everything fit perfectly.
Billy Bennett (verified owner) –
Everything lined up perfectly during install.
Joseph Miller (verified owner) –
Gave my car a much more aggressive and premium sound.
Brandon Adams (verified owner) –
The exhaust system is lightweight yet durable.
Noah Brooks (verified owner) –
No drone at cruising speeds, just a clean performance tone.
Cheryl Foster (verified owner) –
Great value for such a premium exhaust system.
Jose Collins (verified owner) –
The exhaust looks as good as it sounds.
Arthur Ward (verified owner) –
The system feels premium and well-engineered.
David Jones (verified owner) –
The sound is smooth and not overly loud.
William Brown (verified owner) –
Installation was straightforward and everything fit perfectly.