Knn Air Intake System
11-08-2009, 10:10 AM
#1
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Knn Air Intake System
i have a 2006 lariet 4x4 5.4 i want an cold air intake system, will it give me better gas mileage, and do they really give you like 10-15 more horsepower. and if you have one let me know how it works!!!!
11-08-2009, 10:40 AM
#3
'08 4x4 Crew
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Havnt noticed anything as far as gas mileage but on the other side there is a very niticable increase in horsepower in the 3000 rpm range same spot that K&N said the got there 15 horses