well, guess it should be U-pipe anyways i took this off a truck the other day, very confusing, and yes it does go manifold to manifold.

any guesses to what it came off of?

 

Not sure what to think

 

looks something similar to the old cross over pipe i had on my 89 pick up. only difference is that one side of mine was flattened where it met the passenger side right before it went into the cat.

 

late 90s GM Diesel.

 

you got it, 6.5L chevy 1ton. forgot the year,

when i took it off i was like wtf i never really messed with them before. made it easy to place out of the way (had to pull trans back to replace flexplate)

i still dont understand it im guessing the pressure goes into the passenger side manifold though half of it then then they both exit out the turbo or some mess.

im guessing it wouldnt work on a 350

 

that things in good shape... break any studs?

 

a little too much back pressure for a SB...

 

That makes perfect sense lol. I was assuming blazer lol

 

it actually had bolts in it which again is strange to me as all the gassers have studs. and with no way to get up there and torch the flanges to heat them up i just zapped them off and none broke.

truck is amazingly clean underneath just very neglected