Exhaust for turbo eg hatch?

[lionsfreak]

I have just completed my turbo project on my 93' hatch. It is a homemade(14b/turbo) and now I need exhaust. I still have the stock piping, any ideas on the size or brand. I was thinking Skunk2 but I was also thinking of jsut making my own. Should I go 2.5" or 3"? Also Should I get a test pipe or leave the catalytic in place?? Any experience here would be greatly appreciated.........thanks

 

[norcalgsr]

Definitely go 3" a 2.5" is too small for even the smallest turbo..

 

[serrilion]

I would go 3" deffinetly. I know for around 300-600 you can go from an HKS , Mushen, Skunk or Manga Flow system for ya car from the Cat back. Just some ideas to look into.

 

[AHHVTEC]

Definitely go 3" a 2.5" is too small for even the smallest turbo..

not if you have a t2 turbo lol...but yes get rid of the cat also

 

[norcalgsr]

Ok you got me there... but what's the point in doing that

 

[serrilion]

Or u could just run strait from the manafold hehe

 

[klyph]

Or u could just run strait from the manafold hehe

how would it get to the turbo?

 

[serrilion]

As in have the exaust come right out before the catolac Converter, and just be loud as hell.. hehe!

 

[lionsfreak]

I am sure you meant catalytic......right?

 

[klyph]

As in have the exaust come right out before the catolac Converter, and just be loud as hell.. hehe!

That would be open Downpipe.

 

[turbo_sir]

see what i dont understand is everyone says "yah go with a 3" exhaust" but i just dont see the point when the turbo outlet is only 2.5 to have a extra 1/4" on either side of the pipe. can someone help me out there?

 

[klyph]

Basically, you want to evacuate the exhaust gases with as little restriction as possible.
3 inch will have less restriction even if the turbo's outlet is only 2.5

 

[SlushboxTeggy]

Get a 2.5" catback. Mine is a Tsudo.Leave the cat in there. Then make a custom open 3" down pipe with a cut-out(manual or electronic) and 2.5" tubing back to the cat. Sounds confusing but just look at the set-up on this car HMT's Turbo Kia done...

 

[phunky.buddha]

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