K&N Intake - 11hp on Stock Hummer H3
#1
K&N Intake - 11hp on Stock Hummer H3
3 questions come to mind on this product..
1. has it been shown to improve mileage? how much
2. are any pcm changes suggested with this mod?
3. what years does it work on? 2008?
1. has it been shown to improve mileage? how much
2. are any pcm changes suggested with this mod?
3. what years does it work on? 2008?
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