Ramair Foam 110mm (4.3inch) ID Neck Polymer Base Neck Cone Air Filter DC Sports If you're running a pre-2025

If you're running a pre-2025 RCM dry sump kit with the narrower 28mm pulley

Test functions for each output

commonly found in Supra and Aristo models

Generously Cast Runner Walls for Porting

While the throttle body will bolt to the EP3 Civic Si intake manifold

Ramair Foam 110mm (4.3inch) ID Neck Polymer Base Neck Cone Air Filter DC Sports If you're running a pre-2025This filter is designed to be fitted to the outside of a rigid pipe such as a MAF sensor housing. These filters have an rubber polymer neck and a cone shaped filter element. This enables easy fitting to space restricted engine compartments, whilst providing a large surface to maximise potential air flow. The filters are constructed using stainless steel cage internal and our famous 15mm thick twin layer foam. Ramair universal filters are designed and