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Old Ironsides
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this mod you so speak of.Is it the one where 906 change 2 internal gears in the motor...
No, HMF exhaust, K&N air filter and Dobeck AFR.
this mod you so speak of.Is it the one where 906 change 2 internal gears in the motor...
Not sure which mod you are referring to but the doebeck/exhaust will not increase top speed, dynojet might a little with rev extend. With my mod you are changing the final drive gearing in the transmission, that will give you more mph on top but it's really about lowering trail/cruising rpms.this mod you so speak of.Is it the one where 906 change 2 internal gears in the motor...