Norifumi full system exhaust made from stainless with less weight, compatible with KLX140 all years and KLX150 L, BF series also available. Please choose bike type when making order or you can Contact Us if you have any questions
Available with 2 (two) different header pipe size inner diameter, 26mm and 29milimeters.
For stock head or big bore kit with stock cylinder head choose 26mm for better performance, big bore kit with cylinder head big valves 31/25mm size also will works with 26mm header size
29mm header pipe size will match with big bore kit with piston size 66mm or 68mm and the valve size of the cylinder head at least 34/29mm (intake/exhaust)