• 14" megaphone muffler
• Show-polished finish
• 2.25" outlet permanent baffle
• Large diameter outlet provides increased exhaust flow
• Maximized power gains on stock & modified engines
• Distinctive look & aggressive sound
  (optional noise reduction inserts sold separately)
• No fairing modifications required
• Aerospace quality, ultra lightweight stainless construction
• 54% weight savings vs OEM exhaust system
• Includes one 12mm O2 bung & one 18mm bung for wideband
  O2 sensor (block-off plugs included)
• 3oz. tube of Permatex Ultra Copper® supplied with purchase
• Includes PAIR block-off cap & instructions for decel-pop reduction
• Includes muffler, front section, flanges & 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 Brock's map support program
  At no additional charge

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.

GSX-R1000 (2017) Exhaust Weight Comparison

OEM Full Exhaust System:

• Muffler (w/ clamp & heat shield): 7.00 lb.
• Front Section (one peice): 16.00 lb.
  (head pipes, catalytic converter, EXUP, tail pipe, etc.)

Total = 23.00 lb.

Alien Head 2™ Full System:

• Muffler: 3.05 lb.
• Head Pipes (w/ flanges): 5.00 lb.
• Collector: 1.75 lb.
• Hardware: 0.75 lb.

Total = 10.55 lb.

Total Weight Savings = 12.45 lb. or 54% of OEM weight

**Quantities are not guaranteed. Products may be on backorder from manufacturer. Special order and custom items are subject to wait times for production.**