• 14" megaphone muffler
• Show-polished finish
• 2.25" 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 reduction insert sold separately)
• No fairing modifications required
• Aerospace quality, ultra lightweight stainless construction
• 51% weight savings vs OEM full system
• One 18mm O2 bung pre-installed on collector
  (block-off plug and 12mm O2 bung adapter included)
• 3oz. tube of Permatex Ultra Copper® supplied with purchase
• Includes PAIR block-off cap for decel-pop reduction
• Includes muffler, front section, flanges and necessary hardware
• 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 for exhaust installation instructions
Click here for PAIR block-off instructions

The Follow-Up To Our Best-Selling Exhaust System

The Alien Head 2™ offers a full through 2.25” diameter secondary section for increased exhaust flow and builds upon the legendary, race-proven performance of the original Alien Head™, while adding a distinctive look and deeper exhaust tone. This system is a must for the sportbike owner who’s never quite satisfied with factory power.

Manufactured to stringent specifications, Brock personally designed and hand-tuned the Alien Head 2™ full exhaust system to find the ideal balance of performance and attitude for the stock to highly modified sportbike. The Alien Head 2™ exhaust system stands as the benchmark of cutting edge power, design, and style.

ZX-10R (2016) Exhaust System Decibel Levels

Testing procedure performed according to SAE J2825

Alien Head 2 Muffler (with Noise Reduction Plug):

Idle: 103dB / 5000 RPM: 113dB

Alien Head 2 Muffler:

Idle: 105dB / 5000 RPM: 115dB

ZX-10R (2016) Exhaust Weight Comparison

OEM Full Exhaust System:

• Muffler: 4.80 lb.
• Catalytic Converter: 9.60 lb.
• Front Section: 5.10 lb.
• Heat Shields: 0.30 lb.
• Hardware: 0.05 lb.

Total = 19.85 lb.

Alien Head 2™ Full System:

• Muffler: 3.00 lb.
• Collector: 1.40 lb.
• Primaries: 3.95 lb.
• Flanges: 1.00 lb.
• Hardware: 0.40 lb.

Total = 9.75 lb.

Total Weight Savings = 10.10 lb. or 51% of OEM weight