Ramair | Replacement Cone Air Filter | Honda Civic Type R | FL5 2.0T K20C1 | 2023+The Ramair foam filter is designed and manufactured for a very diverse range of applications, constructed using stainless steel cage internal and a twin layer foam. They have a rubber polymer neck and a cone shaped filter element. The PRORAM performance filter has been designed to fit any vehicle with the appropriate MAF inlet size, you can find your required size by removing the standard intake pipe or MAF housing from your air box and measuring its