I bought a 04 Evo viii it has a header but I noticed it has a small crack developing. Which header should I go with. Are the 130.. Ones on eBay crap?

 

If you dont want to spend too much $$($800+) get the GT spec one. their headers are the same as HKS. don't get the ebay one, not everyone has success with it.

 

Potted stock manifold

 

How bad is the crack? Is it just on the surface? Where is the crack on the manifold? Is there black soot around the crack?
If it's not leaking exhaust and not in a critical spot, I wouldn't worry.
I wouldn't spend my money on an ebay one either. It's the best crap China has to offer and for the price you could pick up two stockers that will out out last the car.

 

Agreed.

 

+1

If all your mods are in your sig then you have no reason to get an aftermarket exhaust manifold.

 

yup ported stocker is the way to go.

 

+3

 

Maybe the MAP short runner manifold

 

Ported stockers are proven to perform

 

Ported exhaust manifold (not headers)

 

The car didn't come w a manifold ( header came on it) but I'll buy a stock
Manifold on eBay or here preferably thanks guys my aim I'd 400 whp i just got a fuel pump and I was looking into cams and intercooler piping How far off am I?

 

Very small cracks no black soot coming out but I do notice a exhaust smell at high boost but it's other than that no smell

I found a stock ported for 140?? Worth it???

 

Well since you have an Evo 8 in order to hit 400whp you either need a bigger turbo or else bolt-ons, cams and E85