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Daox · 12-13-2009, 10:37 AM

Nope, I don't use em. It doesn't help at all if you are driving to get good mileage. Plus, they let more crud through the filter and can gum up MAF sensors with the oil from the filter.

Testing to prove it:
Testing a 'performance' air filter for MPG - Part 1 - MetroMPG.com
Testing a 'performance' air filter for MPG - Part 2 - MetroMPG.com

12-13-2009, 10:37 AM	#3 (permalink)
Daox Administrator Join Date: Dec 2007 Location: Germantown, WI Posts: 11,203 CM400E - '81 Honda CM400E 90 day: 51.49 mpg (US) Daox's Grey Prius - '04 Toyota Prius Team Toyota 90 day: 49.53 mpg (US) Daox's Insight - '00 Honda Insight 90 day: 64.33 mpg (US) Swarthy - '14 Mitsubishi Mirage DE Mitsubishi 90 day: 56.69 mpg (US) Daox's Volt - '13 Chevrolet Volt Thanks: 2,501 Thanked 2,589 Times in 1,555 Posts	Nope, I don't use em. It doesn't help at all if you are driving to get good mileage. Plus, they let more crud through the filter and can gum up MAF sensors with the oil from the filter. Testing to prove it: Testing a 'performance' air filter for MPG - Part 1 - MetroMPG.com Testing a 'performance' air filter for MPG - Part 2 - MetroMPG.com __________________ Current project: A better alternator delete