y pipe

[cordovaass]

i have a 1990 c-1500 with the 5.7 350. im trying to find a performance y pipe that will bolt on like stock. does any one know where i can find one?

[joe92k1500]

Great question, I've been wondering the same thing. Hope someone knows.

[cordovaass]

Originally Posted by joe92k1500

Great question, I've been wondering the same thing. Hope someone knows.

i was able to find what i was looking for at www.truckperformance.com
they had two!

[joe minute]

I own a muffler shop and what we do with those is:

the stock y-pipe has both legs coming down made of 2 1/4" pipe that y's into the 3 " section.

cut the y-pipe just behind where the 2 crossovers join up. you will see that where the hole is cut, for the 1 leg to tie in, it is not large enough, blocking more than 1/2 the diameter of the pipe.

using a torch or plasma cutter, open that up to the max.

It works very well and alot cheaper than replacing the y-pipe.

No point going any larger on the crossovers (unless going to headers) as the manifold only has a 2 1/4" opening.

[sub006]

Edelbrock has the least expensive shorty header/Y pipe combinations that are 50-state smog legal. The ceramic or titanium coatings also reduce underhood temps and help preserve belts, hoses and electronics. Figure around $350 street price for a bolt on kit.