The graph below shows a work in progress power/torque curve for Lennie’s R1100S, with a curve from my bike with the STAINTUNE exhaust and FIM chip as a comparison.

Mods to Lennies bike are INDUCT, K&N filter, new cams with higher lift and longer duration ( not a huge amount bigger ), some port work ( standard valves ), Foran exhaust from the headers back, ground out welds in the header entry and a variable fuel pressure regulator.

This variable fuel pressure reg is, at present, the only mod Lennie has made to the fuel system. With a correctly mapped chip, the power curve for his bike would no doubt be a lot smoother and higher, although the effect of the INDUCT, as I have found, would be to drop the power curve a little.

The graph is shown below. Lennie’s bike is the red line, my bike the blue.

(dyno graph courtesy of DYNOBIKE, (03) 9553 0018)

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