Ok, how exaclt does the backpressure pickup tube hook up. Im buying a new presilencer form Rb and i dunno what all i need to get the backpressure pickup tube to hook up. The proir owner didnt have the backpressure tube hooked up so the hose that does the picking was just clamped off.

 

there's a tube that would normally bolt onto the main cat's backpressure tube...that tube will go up into the engine and hook up via vacuum hose to where the actuators turn the secondaries...(its kinda hard to explain w/o a pic)...sorry......maybe someone has a pic of that tube outside the engine...

 

Ok, on my intake manifold, theres a big hose that lead down near the cats, and a small hose leading down near where my cat is. Neither has anyhting that would be able to bolt up to that. So where can i get this mount, or does it come with my presilencer i just bought?

 

here's a pic of what you should have ordered from rb...that small pipe is where it would connect to the backpressure pipe back to the intake

 

your presilencer should connect to that backpressure pipe...hope this helps...

 

In the picture of the presilencer, on the backpressure pickup, its flat. How does the hose hook up to a flat surface is what im wondering. Is there anotehr part that bolts on and the hose clamps onto it?

 

Also, when i took my upper intake and lower intake off, hooked next to the giant hose leading down by my cats was a small hose leading down by my cats. They were both plugged off. Are they both for backpressure pickup or do i not know what im talking aobut. If noone knows or understands ill try adn get a pic once i find my digicam

 

they both should have this flange (flat surface) that can bolt on to each other...usually muff shops cut this off and just weld it drectly on (which is how mine is )

the 2 hoses connect to this pipe...from the diagram above letter O is for the larger hose connecting to the check valve on top and the smaller hose connect to letter C. the smaller hose is what opens up the actuators to the ports.

if your car is missing this pipe you might be able to get one used...

 

Maybe ill understand this more once i actually have the parts on hand