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Flow Numbers
HighOutput Engineering, LLC
New Results Coming Soon
All flow numbers taken @ 28" H2O
Flow tests were done with manifolds
and radius inlets. Exhaust tests done
with 1.75 OD pipe 8" long
99-05 1.900" Twin Cam vs. Stock Twin Cam
2.00" Twin Cam vs. Stock Twin Cam
STD Oval Port 2.15" In 1.75" Ex
S&S SA B2
06 and Later 1.900" Twin Cam
STD Oval vs. S&S SA B2