need exhaust help

[99W68Firebird]

ok heres what parts i have for my 3.8L

-Coated Pacesetter headers with y-pipe
-3" in/out hi-flow Catalytic converter
-2.75" I-pipe
and already installed
80 series muffler, most likely the 2.5" in/out one.

ok my problem is that i know that all these pieces are not gonna fit together, because first problem is that the hi-flow converter is like 8" smaller than the stock one.. so theres one problem.. then the other is that the i-pipe i got off a Z-28 doesnt exactly replace the other one. what parts would i need to connect to that one.. i thought all i would need is to extend the pipe from i-pipe to cat, and use 3" to 2.75" reducer to connect cat to i-pipe but i cant find one anywhere. then i dont know what i need to connect other end of i-pipe to muffler. so if anyoen knows what i need to buy or get plz help me out

[casketcrewchick]

Hey I got a 3inch high flow cat too (catco) and Its 14 inches long. I think the stock one is 18??? And well, i just need to find someone who will weld it all on for me (i was gonna do it myself but i cant weld lol) and well, i am working on getting it taken to this shop near me that my friend told me about.

I looked ALL OVER for an exhaust adapter--- 2.25 (or whatever the stock size is) to 3in and NO ONE had one or would make me one...

Good luck!!!

[Turbo V6 Camaro]

Originally posted by 99W68Firebird:
ok heres what parts i have for my 3.8L

-Coated Pacesetter headers with y-pipe
-3" in/out hi-flow Catalytic converter
-2.75" I-pipe
and already installed
80 series muffler, most likely the 2.5" in/out one.

ok my problem is that i know that all these pieces are not gonna fit together, because first problem is that the hi-flow converter is like 8" smaller than the stock one.. so theres one problem.. then the other is that the i-pipe i got off a Z-28 doesnt exactly replace the other one. what parts would i need to connect to that one.. i thought all i would need is to extend the pipe from i-pipe to cat, and use 3" to 2.75" reducer to connect cat to i-pipe but i cant find one anywhere. then i dont know what i need to connect other end of i-pipe to muffler. so if anyoen knows what i need to buy or get plz help me out

thats the v6 muffler

the V8 one it 3inch in dual 2.5 out get that one

[99W68Firebird]

im not buying whole new muffler, when they should be able to make reducer.