15" megaphone muffler
Show-polished finish
2.25" (57.2 mm) outlet permanent baffle
Larger diameter outlet provides increased exhaust flow
Maximized power gains on stock and modified engines
Distinctive look and aggressive sound
(optional noise suppressor sold separately)
Each muffler is hand fabricated into a distinctive penta-diamond shape
Muffler angles optimized for maximum ground clearance when cornering
Customize with over 100 different color combinations
Endcaps are produced by BST to ensure a perfect match to your wheels
No fairing modifications required
Aerospace quality, ultra lightweight stainless construction
Pre-installed 18mm bung for wideband O2 sensor
C44 eliminator plug available here to prevent FI light following O2 sensor removal
Includes (emissions/PAIR) block off cap for decel-pop reduction
3oz. tube of Permatex Ultra Copper® supplied with purchase
Includes Brock’s lifetime direct support package at no additional charge
Select from increased drivability/fuel mileage (pump gas) or race-proven (race fuel) track maps via our map support program at no additional charge
Click here to view logo plate color options
Click here to view installation instructions
Click here to view PAIR block-off instructions
Click here to view Penta-Carbon Frequently Asked Questions (FAQ)
Note: If used on a Gen 3 Hayabusa the muffler mounting bracket must be modified to provide clearance for the rear brake lever (follow link for instructions).
