What size pipe is the stock mid section on a 90 crx dx 1.5? is it 2 or 2.5 if its 2 will i be able to put an obx type h exaughst with a 2.5 inlet on or will i have to buy a set of headers/cat/midpipe with a 2.5 inlet/outlet

 

stock CRX piping diameter is around 1 3/8"
stan

 

tiny ain't it

poor car can't breathe

 

go
2.25inch midpipe for n/a
2.5inch for FI