Is the header and downpipe larger on the b16a2 than my stock piping? I have a 93 civic so am i gona have to get larger piping or should it fit okay? If i do have to get larger piping i should probably just upgrade the header too so what size should i go? 2.25 ? 2.5 ?

 

first what kind of hatchback do u have SI,DX,VX,CX it matters on the exhaust pipe well i have a Si it should be fine for the down pipeing but iam not sure about the header it should fit tho iam not sure.

 

i have a dx