PRO-5R Features
• Primary Concern: Performance
• Largest HP and TQ Gains
• Primarily for Street Driving
• Good Filtration Efficiency
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PRO-Dry S Features
• Primary Concern: Convenience
• High Airflow with Oil-Free Ease
• For Street/Dusty Driving
• Better Filtration Efficiency
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PRO-Guard 7 Features
• Primary Concern: Protection
• Rigid Design for Heavy Duty Use
• For Diesel/Off-Road
• Best Available Filtration
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