Kt100 flex pipe length

Looking for recommend flex pipe length for a KT100 and a RLV…L2 pipe. Thanks Paul

With the L2 I would recommend starting at 8 inches from the piston to the end of the flex.

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Thanks. And what would make me want to go longer or shorter? By how much . 1/2 inch increments?

Longer=better at lower rpm. Shorter=better at higher rpm

I have a different engine with a tuning window of 1 cm so I have 3 lengths of flex, min max and in-between so 0.5cm steps so about a quarter of an inch increments

1/4" increments or less if you’re as anal about details as I am.

Thanks. Appreciate it