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Rusty94cx · 01-19-2013, 10:34 PM

You don't need to drill any holes hook op a vacuum gauge it'll tell you if you have a plugged cat. Strong vac that steadily drops If I remember correctly. Google and a vacuum gauge are your friends.

01-19-2013, 10:34 PM	#19 (permalink)
Rusty94cx Master EcoModder Join Date: Oct 2012 Location: Ohio Posts: 297 Rusty crusty trusty - '94 Honda Civic Cx 90 day: 36.13 mpg (US) Vx - '92 Honda Civic Vx 90 day: 49.97 mpg (US) Thanks: 4 Thanked 22 Times in 21 Posts	You don't need to drill any holes hook op a vacuum gauge it'll tell you if you have a plugged cat. Strong vac that steadily drops If I remember correctly. Google and a vacuum gauge are your friends.