Windowsrookie Posted January 10, 2009 Share Posted January 10, 2009 There's tube that runs from under the intake manifold up to the air filter box. I looked it up and I guess it's supposed to let warm air mix with the cold to get an optimal temp? Well, this tube is pretty shot, and it's not even connected to the air box. Is it really necessary? Does it improve performance/gas mileage? Link to comment Share on other sites More sharing options...
shelbyluvv Posted January 10, 2009 Share Posted January 10, 2009 The tube allows the engine to perform better until it warms up. Is it needed? Yes and no. If you have emissions testing where you are it can fail a visual inspection because of the tube being gone. You can usually pick a replacement up at most parts houses for a small fee. Link to comment Share on other sites More sharing options...
Windowsrookie Posted January 10, 2009 Author Share Posted January 10, 2009 So it's not really necessary? Link to comment Share on other sites More sharing options...
shelbyluvv Posted January 10, 2009 Share Posted January 10, 2009 So it's not really necessary? Nope. Most of them have fallen off years ago. It will just take a little longer to warm up in the mornings. Link to comment Share on other sites More sharing options...
ironhead03 Posted January 11, 2009 Share Posted January 11, 2009 Advance auto has them. There's tube that runs from under the intake manifold up to the air filter box. I looked it up and I guess it's supposed to let warm air mix with the cold to get an optimal temp? Well, this tube is pretty shot, and it's not even connected to the air box. Is it really necessary? Does it improve performance/gas mileage? Link to comment Share on other sites More sharing options...
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