not sure what they would be like on our cars mate but i'm thinking bout trying them next year as they made my 2002 yamaha r6 alot smoother to ride and a tiny bit more power. or felt like it did anyway.
well you wont have to worry about changing them for one......
All JDM QG series engines came with them..
how can you tell a spark plug made more power dude.. did you dyno your car under the same conditions
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