S&B 75-5025 Cold Air Intake Kit Jeep Wrangler JK V6 (Cleanable, 8-ply Cotton Filter) Custom air box protects the filter from engine heat and dirt along with a clear lid allowing for easy filter inspection and removal. Street Legal In All 50 US States Warranty: Million Mile Limited Warranty ISO 5011 TEST RESULTS Airflow Rating: Flows 65.3% Better than the Stock Intake Efficiency Rating: 99.64% Efficient @ 268 CFM (ISO Course Dust)