i got my crx runnin after i acleaned the air idler control valve and replaced the IM gasket but now wen im driving if i shift at high rpms it goes finr but if i shift in low rpms it like bogs a little there is a streight exhaust nothin but i think 2.5 or 3 inch piping and a tip could it be cuz theres like no back presure? the exhaust is shity i need a new one its someones homeade pos

 

maybe im tired but i have no idea what your asking or saying man