The GRAIL Valved Exhaust System for BMW M3 and M4 (G8x) enhances the S58 engine with a deeper, more aggressive tone while maintaining daily comfort. Precision-built in Germany, it delivers improved exhaust flow, refined acoustics, and a perfect balance between performance and usability.
GRAIL Valved Exhaust System for BMW M3 / M4 (G8x) – Stainless Steel Performance Exhaust – BMW OEM Parts
Rated 4.91 out of 5 based on 47 customer ratings
(47 customer reviews)
$3,709.00
SKU:
A6D48197
Category: Exhaust Systems
Description
Reviews (47)
47 reviews for GRAIL Valved Exhaust System for BMW M3 / M4 (G8x) – Stainless Steel Performance Exhaust – BMW OEM Parts
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Juan Patterson –
The exhaust note turns heads everywhere I go.
Jeremy Rivera –
The build quality exceeded my expectations.
David Jones –
Everything lined up perfectly during install.
Ashley Gonzales –
The quality of the materials is excellent and feels very durable.
Timothy Sanchez –
Fitment was spot on with no modifications needed.
Rachel Woods –
Perfect balance between performance and comfort.
Peter Rogers –
The sound is rich and powerful.
William Brown –
The tone is deep and sporty at all RPMs.
Melissa Alexander –
The sound is smooth and not overly loud.
Kenneth Martin –
Great upgrade for both sound and performance.
Gary Walker –
The exhaust note is deep and refined, not too loud.
Benjamin Baker –
The tone is clean and powerful under acceleration.
Thomas Davis –
The quality is consistent throughout the system.
Victoria Owens –
The exhaust system is lightweight yet durable.
Ethan Howard –
No rattling or vibration after installation.
Rachel Woods –
Really enhances the overall driving experience.
Dennis Campbell –
No rattling or vibration after installation.
Deborah Russell –
No issues at all since installation.
Olivia West –
The build quality exceeded my expectations.
Jeremy Rivera –
Everything lined up perfectly during install.
Michael Johnson –
The exhaust looks as good as it sounds.
Benjamin Baker –
Great value for such a premium exhaust system.
Samantha Sullivan –
No drone at cruising speeds, just a clean performance tone.
Kyle Bell –
The exhaust gives a true performance feel.
Alan Long –
The fitment is precise and professional.
Victoria Owens –
No drone at cruising speeds, just a clean performance tone.
Charles Rodriguez –
The exhaust looks as good as it sounds.
Lawrence Ramirez –
The sound is exactly what I was looking for.
Paul Taylor –
Very satisfied with this purchase.
Samantha Sullivan –
Adds a bold and sporty character to the car.
Matthew Lopez –
The exhaust looks as good as it sounds.
Nathan Reed –
The system feels premium and well-engineered.
Olivia West –
The exhaust looks clean and well-designed.
Paul Taylor –
The sound is aggressive without being overwhelming.
Alan Long –
The quality of the materials is excellent and feels very durable.
Jeremy Rivera –
Perfect upgrade for any BMW enthusiast.
Cheryl Foster –
The system feels solid and well-built.
Ryan Lewis –
The fitment is precise and professional.
Aaron Edwards –
No issues at all since installation.
Walter Morgan –
Really enhances the overall driving experience.
Ryan Lewis –
The exhaust looks as good as it sounds.
Christopher Martinez –
Great upgrade for both sound and performance.
William Brown –
The exhaust system sounds amazing and gives my BMW a deep, aggressive tone.
Raymond Perez –
The design fits perfectly with the rear bumper.
Joshua Jackson –
The build quality exceeded my expectations.
Deborah Russell –
The system feels premium and well-engineered.
Roger Richardson –
The exhaust looks as good as it sounds.