Brock's Performance Alien Head 2 Full System 14" Muffler - 2017-2025 Suzuki GSX-R1000, 2017-2025 Suzuki GSX-R1000R - 398659 is a Brock's Performance exhausts option for 2017-2025 Suzuki GSX-R1000, 2017-2025 Suzuki GSX-R1000R.

Confirmed fitment from product title:

Note: For (22-25) model years, an ECU flash or Servo Buddy will be required to prevent trouble codes and/or damage to the servo motor (EXCVA).
The provided valve simulator (servo plate) is not compatible with (22-25) models.

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

Emissions note: Exhaust and emissions-related parts may be intended for closed-course competition use only. Confirm local laws before ordering or installing.

Part number: 398659

Videos:

• https://www.youtube.com/watch?v=aaPHhVtETNE
• https://www.youtube.com/watch?v=4j1g-K09YDk