× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: The Air Filter has nothing to do with Fuel Mileage
Posted to Technical Theory Forum on 11/30/2017

[...trimmed text...]

You're a Subaru guy, and no doubt you've seen some stupid modifications .

There is money to be made in those cases, especially in States the have emissions testing.

Login to read more.