2007 Chevy Cobalt

Once you're satisfied with system adjustments, tighten the clamps. After plugging the MAF back in and installing the supplied PCV hose between the polished intake tube and the valve cover, apply the supplied decals (including the CARB E.O. number appliqu) and you're done! We're now treated to a much-improved underhood appearance, and we'll defi- nitely be leaving off that other engine cover. Time to hit the Dynojet again, but a quick note first. While we were on the dyno, we experimented and covered the intake top with a piece of cardboard to simulate the hood being closed, and found that the intake gains were roughly cut in half-an effect that would likely be alleviated or cancelled out completely with the car moving down the road (thanks to the added motion of air about the front body panels). Our final number quoted is without cardboard, however.

2007 Chevy Cobalt - Practically Powerful

Once you're satisfied with system adjustments, tighten the clamps. After plugging the MAF back in and installing the supplied PCV hose between the polished intake tube and the valve cover, apply the supplied decals (including the CARB E.O. number appliqu) and you're done! We're now treated to a much-improved underhood appearance, and we'll defi- nitely be leaving off that other engine cover. Time to hit the Dynojet again, but a quick note first. While we were on the dyno, we experimented and covered the intake top with a piece of cardboard to simulate the hood being closed, and found that the intake gains were roughly cut in half-an effect that would likely be alleviated or cancelled out completely with the car moving down the road (thanks to the added motion of air about the front body panels). Our final number quoted is without cardboard, however. View Related Article

2007 Chevy Cobalt

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