oppo wat is dis

So the 400 in the xjs was a smog era engine out of a ‘74 monte carlo and it still had the factory smog ramhorn manifolds on it, one of which had this little valve sandwiched between the downpipe and manifold. There was nothing connected to it and no other outlets anywhere on it so i’m kinda at a loss as to what its intended purpose may be.


Share This Story

Get our newsletter