Overview
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 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 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