Sound Clip Video:
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.
Dyno Chart: Click image to enlarge
SAE Scale
Dyno Chart: Click image to enlarge
STD Scale
S1000RR (15) Exhaust System Decibel Levels
Testing procedure performed according to SAE J2825
Alien Head 2 Muffler (with Noise Reduction Plug):
Idle: 104dB / 5000 RPM: 111dB
Alien Head 2 Muffler:
Idle: 107dB / 5000 RPM: 114dB
S1000RR (15) Exhaust Weight Comparison
OEM Exhaust System:
- Muffler: 8.8 lb.
- Front Section: 13.95 lb.
Total = 22.75 lb.
Alien Head 2™ Full System:
- Muffler: 3.20 lb.
- Front Section: 6.20 lb.
- Hardware: 0.20 lb.
Total = 9.60 lb.
Total Weight Savings = 13.15 lb. or 58% of OEM weight
