Thread: Mazworx Prototype VE NA Header

We have just finished up the prototyping of a VE NA header. Its a 4-1 design with a 3" collector. We should have these available pretty soon.

sexy! starting cost?

Thats what I am wondering. I hope they make it affordable for us college students.

Also please show a photo of the clearence to the ground on a stock car. Worth the time may be as well a skid plate that mounts to it soas to not damage the piping when going over speedbunps - just a thought.

Skid plate will be included.

Mazworx I know your fabricating skills are unquestionable but you mite want to do some research on a couple of headers tested on the old forum.A 3" collector is way to big for a ve even with N1 cams.

is this going to be a stepped header? and what will the cost look like?

Unless Im looking at the wrong post on the "other forum" 80% of them all have 3"

^^^^ I was going to say that but....
Anyway they are going to see it when they test it....
The choke its way to big...
Also seems like the runners are too long for a 4to1 design....
Based on results and comparisons made by some members that posted their results...

They may have 3" outlets, but there should be a "choke" point in the collector right after the pipes merge. They should merge to a pipe similar in diameter to one of the runners. If your runners are 2" before the collector then the collector should choke down to 2" (many designs choke down to 2.25" instead with slightly better results I think). Without this choke zone, the low pressure created in the adjacent pipe(s) is much less as the exhaust pulse loses velocity too early (in the collector) before it can create a vacuum in the other pipes.

Also, it may look like a restriction, but the choke zone is actually the same size or bigger than the runner and remember only one pulse is entering the collector at a time so it's no restriction at all.

Please don't think I'm talking down to you, I'm just trying to make a very complicated nuance of N/A header design sound simple. And if you prefer not to take this advice, I'm sure we wouldn't hold it against you if you have something to back up your decision. I'm sure we'd love to see two prototypes pitted against each other on your dyno.