- S1000RR (17-19) model years require installation of the OEM right-side rearset and muffler mounting hardware from the (15-16) model year S1000RR
- S1000R (17-20) model years require installation of the OEM right-side rearset and muffler mounting hardware from the (14-16) model year S1000R
- 14" megaphone muffler
- Black ceramic coated 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
- 58% weight savings vs OEM exhaust system
- Two 12mm O2 bungs pre-installed on headers and one 18mm bung for wideband O2 sensor (block-off plugs included)
- Includes (emissions/PAIR) block off cap 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 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.
Dyno Chart: Click image to enlarge
SAE Scale
Dyno Chart: Click image to enlarge
STD Scale
S1000RR 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 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
