Overview
14" megaphone muffler
Show-polished finish
2.25" outlet permanent baffle
Distinctive look/Aggressive sound(2.25” optional noise reduction insert sold separately)
No fairing modifications required
Aerospace quality, ultra lightweight stainless construction
Includes (Emissions/PAIR) Block Off Cap and instructions 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 for PAIR block-off instructions
Our Best-Selling Exhaust System
The Alien Head™ Exhaust System combines our legendary race-proven performance with the distinctive look and sound of our Alien Head™ muffler and has become a favorite with custom builders to showcase more of today’s big tire/custom swingarms. Manufactured to stringent specifications, Brock personally designed and hand-tuned the Alien Head™ Full Exhaust System to find the ideal balance of performance and attitude.
Performance upgrade packages specifically designed for stock through heavily modified bikes. The Alien Head™ Exhaust System stands as the benchmark of cutting edge power, design, and style.
Dyno Charts:
ZX-10R (2011) Alien Head 2 vs. Stock Mid Gain SAE
ZX-10R (2011) Alien Head 2 vs. Stock SAE
ZX-10R (2011) Alien Head 2 vs. Slip-On vs. Stock Mid Gain SAE