Performance Marine Cold Air Intake Kit for MerCruiser 7.4 MPI / 454 Engines | Mandrel-Bent 4” Intake with Marine Flame Arrestor Filter | Improved Throttle Response & Engine Sound

Upgrade your MerCruiser 7.4 MPI / 454 engine with a performance-focused cold air intake system engineered for improved airflow and cleaner engine operation. This custom intake kit features a precision mandrel-bent 4-inch intake tube paired with a high-flow marine-certified flame arrestor/filter. The intake length and smooth-radius bends are designed to support consistent airflow while maintaining a clean and professional engine bay appearance. In addition to improved throttle response, the intake system also helps reduce common intake whistle and air suction noise found in some factory setups. Whether you are refreshing your engine bay or looking for a cleaner airflow setup, this intake kit offers a simple upgrade solution for compatible MerCruiser 7.4 MPI engines. Important Fitment Information Compatible with MerCruiser 7.4 MPI / 454 engines Please verify engine bay clearance before purchase Some engine compartments may not provide enough front clearance for the intake tube configuration Compare your available space to product photos before ordering

• PERFORMANCE-FOCUSED AIRFLOW Designed to improve airflow efficiency for MerCruiser 7.4 MPI / 454 marine engines. The smooth mandrel-bent intake tube helps deliver consistent airflow for responsive engine performance.
• MARINE-GRADE COMPONENTS Includes a high-flow marine-certified flame arrestor/filter paired with a durable 4-inch intake system built specifically for marine applications.
• IMPROVED THROTTLE RESPONSE Optimized intake routing and airflow design help provide quicker throttle response and a smoother driving experience on the water.
• REDUCED INTAKE NOISE Helps reduce common intake whistle and “whooshing” sounds often heard in factory intake setups for a cleaner engine sound profile.
• EASY INSTALLATION Designed for straightforward installation using basic hand tools. Most installations can be completed in under an hour depending on boat configuration.
• Important Fitment Information Compatible with MerCruiser 7.4 MPI / 454 engines Please verify engine bay clearance before purchase Some engine compartments may not provide enough front clearance for the intake tube configuration Compare your available space to product photos before ordering