GRAIL 3-inch valved exhaust system for BMW M3/M4 (F8x), designed to deliver a sharper, more balanced sound with improved exhaust flow. The optional Equal-Length (EQL) setup creates a smoother, more refined tone by equalizing exhaust paths.
GRAIL Exhaust BMW M3 / M4 (F8x) 3” Valved System + EQL Option – BMW OEM Parts
Rated 4.94 out of 5 based on 16 customer ratings
(16 customer reviews)
$3,509.00
SKU:
48B220CE
Category: Exhaust Systems
Description
Reviews (16)
16 reviews for GRAIL Exhaust BMW M3 / M4 (F8x) 3” Valved System + EQL Option – BMW OEM Parts
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Rated 4.98 out of 5






Rebecca Diaz –
The exhaust note turns heads everywhere I go.
Olivia West –
Would definitely recommend this exhaust upgrade.
Kenneth Martin –
The exhaust looks as good as it sounds.
Jessica Simmons –
The system feels solid and well-built.
Joshua Jackson –
Noticeable improvement in throttle response.
Robert Smith –
No issues at all since installation.
Jeremy Rivera –
Excellent craftsmanship and attention to detail.
Austin James –
The sound is aggressive without being overwhelming.
Walter Morgan –
Everything lined up perfectly during install.
Brian Perez –
Installation was quick and hassle-free.
Kenneth Martin –
Improved both sound and performance noticeably.
Richard Garcia –
Installation was quick and hassle-free.
Dennis Campbell –
Everything lined up perfectly during install.
Nicholas Young –
The sound is exactly what I was looking for.
Sean Gray –
Very high-quality construction and finish.
Sean Gray –
Completely transformed the driving experience with a sportier sound.