SPARK G9944 Kawasaki Ninja 400 / Yamaha YZF-R3 (2015+) dB Killer (racing) Sprocket 5 mm Rate N/mm: 130

5 mm Rate N/mm: 130 N/mm Mounted spring: 01099-49

Ducati Streetfighter 848 (2011 — 2014)

Yamaha FZ8

New top out spring

Homologated version includes double removable dB killer

SPARK G9944 Kawasaki Ninja 400 / Yamaha YZF-R3 (2015+) dB Killer (racing) Sprocket 5 mm Rate N/mm: 130Stainless steel racing dB killer for Kawasaki Ninja 400 Yamaha YZF R3 motorcycles by SPARK. The racing dB killer is a specialized motorcycle accessory designed to enhance the riding experience for owners of the Kawasaki Ninja 400 and Yamaha YZF R3. Crafted by Spark Exhaust Systems, renowned for their precision engineering and high performance products, this racing accessory offers a tailored solution for riders seeking to reduce exhaust noise levels