Heat shield ah, if u can find a way for that it is good lor... I never use lah. Shouldn't be a problem. Just find a drop in filter with the correct size that can fit.
Sifus,
Kindly enough to share the set up u having and what is the best specification, no modification on engine. custom or branded HKS, APEXI, Greddy etc
Appreciate the suggestions and reccomendations. TQ