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Now fits all years of Hayabusa when using the included Spacer Kit (a $24.99 value.) Spacer kit allows a Gen 2 Hayabusa Alien Head 2 exhaBrock's Performance20ust to be used on a Gen 1 Hayabusa (99-07) without any permanent modification. Spacer kit not required for Gen 2 models.
15" megaphone muffler Black ceramic coated 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