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CirrusSR22 · 01-20-2008, 06:35 AM

The story I've always heard is that it's programmed that way to reduce emissions. The higher engine RPM heats up the catalytic converter faster, which is required for it to work properly (being hot).

01-20-2008, 06:35 AM	#19
CirrusSR22 Senior Member Join Date: Nov 2004 Location: Minneapolis Posts: 1,587 iTrader: (3) Photo Gallery	The story I've always heard is that it's programmed that way to reduce emissions. The higher engine RPM heats up the catalytic converter faster, which is required for it to work properly (being hot).