I got this one yesterday from a manufacturer called "God Snow" or "Gods Now" I honestly don't like the look of it, but I'll give it a shot.
I'm gonna clean this up a bit.
I wanted to note a few measurements:
38mm Exhaust port (head)
Factory Exhaust Manifold
39mm exhaust inlet port (Manifold)
51mm end of the cat
GodSnow (Ebay) Header measurements
Exhaust Inlet port 39.5mm
Header exit to over pipe 58mm
Weight:
Factory 20.4lbs
Godsnow(Ebay) 10.2lbs
I ended up having to bore out the bolt holes because the header wasn't quite fitting.
After mounting it seems that its a bit close to the oil pan which is worrying:
Otherwise it fit well:
The Orange is before the header with a light tune and the green is after the header install with a small change to the tune. 06/04/2014
Did another pull today after a little more tuning. 06/05/2014
So from stock it added 9 HP from 6200RPM -> 7400RPM, and I gained about 10tq in the dip and its got a nice straight line from 3400rpm -> 4400rpm. Not too bad. Overall though I don't think the power is worth the super deep bass note produced after installation.
*Note that I have a Perrin resonated cat back so not all experiences will be similar*
*Dyno pulls were on the same open stretch of highway*
Well I'm done. I hope someone finds this useful; I'm putting the header up for sale.