hi i have a A3 1.8 Tsport 98 s-reg i was told i have an ko3 some one has offered me a ko4 will it fit straight on? or do i have to do other mods to it as well? ecu,injectors, help please! as i dont know
it's a bolt on mod direct replacement should boost your hp to +- 200hp without remap, do a remap also and you'll head 220hp ish, do remap + injectors + fpr and you should get significantly more,
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