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Ryland · 05-01-2011, 10:11 PM

What size exhaust does it need? Autolounge.net | Calculators | Exhaust Pipe Sizing
Because according to that calculator 1" is ideal for running at 3,000 RPM on a 1.3L engine to produce the most horse power.

05-01-2011, 10:11 PM	#6 (permalink)
Ryland Master EcoModder Join Date: Jan 2008 Location: Western Wisconsin Posts: 3,903 honda cb125 - '74 Honda CB 125 S1 90 day: 79.71 mpg (US) green wedge - '81 Commuter Vehicles Inc. Commuti-Car Blue VX - '93 Honda Civic VX Thanks: 867 Thanked 434 Times in 354 Posts	What size exhaust does it need? Autolounge.net \| Calculators \| Exhaust Pipe Sizing Because according to that calculator 1" is ideal for running at 3,000 RPM on a 1.3L engine to produce the most horse power.