• 14" megaphone muffler
• Show-polished finish
• 2” outlet removable baffle
• Pro Stock performance, look, and sound with removable baffle
  (optional 2" noise reduction insert sold separately)
• Limited right hand cornering clearance with fairing modifications required on most models, cut-out instructions included
• May be used with OEM oil pan; aftermarket billet pan suggested for maximum ground clearance
• Oil cooler can be retained using the stock oil lines with oil line extension block kit (Included)
• Aerospace quality, ultra lightweight stainless construction
• 3oz. tube of Permatex Ultra Copper® supplied with purchase
• Includes (Emissions/PAIR) Block Off Cap and instructions for decel-pop reduction
• C44 eliminator plug available here to prevent FI light following O2 sensor removal
• 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 Brock's map support program at no additional charge

Industry’s First 4-2-1 Sidewinder Design

Specifically designed for use without wheelie bars, Brock’s 4-into-2-into-1 sidewinder (the industry’s first) provides the most average power and torque with a megaphone-induced peak power punch. Unique configuration allows maximum performance from stock displacement to big cc engines. Years of knowledge, acquired from Brock himself professionally drag racing street bikes, are merged into a purpose-built side exit system