It fit perfectly and did not fall off as could be the case in several reviews. Just tighten all the clamps well and check again after a week. Very pleasant sound straight from the intake pipe. The intake air temperature is about 5 degrees warmer than factory when sitting for a long time and idling, but is the same or slightly cooler than factory when driving. That's one of the reasons why I chose this intake pipe and not a warm air intake. And additional filtering of the factory paper filter. I also did a good job of cutting out the baffle from the airbox and inner fender and it REALLY improved the sound. I also think there was a bigger boost in performance than just increasing consumption. Maybe 5-10 hp. with a pickup and a debuff with no melody. The performance gains aren't huge, but every little thing you can do to increase volumetric efficiency makes a difference. Slightly increased 1-2 mpg on my 6.2 L9h. If he has 10-11 cities, the extra 1-2 really matters. So far I have used the standard heavy duty paper air filter due to unpaved roads and am happy with the results. I would also recommend porting the throttle body to improve throttle response and reduce throttle input and downshifting for hills.
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