yeh they are!! The Plenum chamber isn't!
What? How come I can't buy 172 matched inlets to fit my 182? (I'm not sure what a plenum chamber is )
What? How come I can't buy 172 matched inlets to fit my 182? (I'm not sure what a plenum chamber is )
confused now the guy says there the same for 172 and 182 inless it has rs printed on the manifold