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MA45 4CYL (Suits models 7/1981 - on - sway bar eyelet - 2 piece bushing design)
No Gauge Included
To lower the required voltage and improve firing performance
These are one of the best cats on the market for the CN9A/CP9A Evo 4-6 models using the Invidia Front-Pipe
Traditional ground electrodes could not be made too small without reducing groundig strength or increasing electrode wear
APR Throttle Body Inlet System MAP Sensor Boost Taps MA45 4CYL (Suits models 7/1981The APR Throttle Body Inlet System is a comprehensive upgrade to the factory charge pipe system from the intercooler outlet to the throttle body. We replace all components and provide a new, larger, free flowing system that flows roughly 34% more than stock! This was achieved by increasing the cross sectional area of the system and by reducing the tight radius bend directly in front of the throttle body. Our system does away with two potential boost