Rev, I installed them and glad I did, specially after seeing the snorkel factory ducts. I can feel a slight increase in responsiveness at high speed but would not worry about hp here. The snorkle ducts take are indirectly as it churns through the grill and engine, these take it from outside with more force for better air flow. If you do an intake I would add these, just my two cents
Pics below
Above is stock airflow
This one is the new set up with stock duct next to it
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