Drivetrain The new Alta Exaust Header
yes and isn't that what all of this upgrading is all about. Besides if you actually plan on doing actual tuning of the engine with the mods you would relize that the mini O2 sensors are narrow band sensors so yes I actually have a seperate wide band O2 with an air/fuel meter on it, so no need for a useless fault light.
Originally Posted by low4life
yes and isn't that what all of this upgrading is all about. Besides if you actually plan on doing actual tuning of the engine with the mods you would relize that the mini O2 sensors are narrow band sensors so yes I actually have a seperate wide band O2 with an air/fuel meter on it, so no need for a useless fault light.
. Losing the cat does not serious tuning make. Just remember that. 2 whp doesn't exactly make or break a car.
Originally Posted by low4life
yes and isn't that what all of this upgrading is all about.
Originally Posted by chows4us
Uh NO. Thats called a federal offensive for removed a CAT on a public highway. If your off-road, fine. Otherwise, not fine.

this is why CAT less headers are for Off road only..
Yes removing a cat is illegal, and we make sure everyone that buys catless parts knows this. We have customers sign a form saying they understand this. These are for off-road use only. But that doesn't stop someone buying the part for track use. Which is why we provide the CEL fix. This CEL fix is to tell the ECU the cat is there and functioning to eliminate any extra fuel or timing reduction when the CEL comes on.
How much is no cats worth?? Well we will show dyno numbers of both. But even if it is 5-10, which is what we have seen in other apps, the other point of removing the cat is for those track guys. If someone goes to the track with a cat in their header they run the risk of melting the cat. Which can blow up the motor because all the boost backing up into the engine. Also sometimes race gas is used (like leaded gas) and this will just destroy the cat.
So the catless option is there for these specific customers. Yes that may not be many of them but it is there for the customer to decide for them selves. Plus it will be less expensive!
How much is no cats worth?? Well we will show dyno numbers of both. But even if it is 5-10, which is what we have seen in other apps, the other point of removing the cat is for those track guys. If someone goes to the track with a cat in their header they run the risk of melting the cat. Which can blow up the motor because all the boost backing up into the engine. Also sometimes race gas is used (like leaded gas) and this will just destroy the cat.
So the catless option is there for these specific customers. Yes that may not be many of them but it is there for the customer to decide for them selves. Plus it will be less expensive!
Originally Posted by ALTA2
How much is no cats worth?? Well we will show dyno numbers of both. But even if it is 5-10, which is what we have seen in other apps, the other point of removing the cat is for those track guys. If someone goes to the track with a cat in their header they run the risk of melting the cat. Which can blow up the motor because all the boost backing up into the engine. Also sometimes race gas is used (like leaded gas) and this will just destroy the cat.
Yeah, I gotta agree and say good job, Alta.
Stick to your guns, and please continue to NOT outsource your parts to be manufactured overseas. I, for one, am more than willing to pay more money for your parts to be higher quality, and made in the USA.
Don't give in to the lure of more money by going to China for production. There are plenty of other vendors, (even in the world that is MINI), who do that already.
Keep on keepin' on!
Stick to your guns, and please continue to NOT outsource your parts to be manufactured overseas. I, for one, am more than willing to pay more money for your parts to be higher quality, and made in the USA.
Don't give in to the lure of more money by going to China for production. There are plenty of other vendors, (even in the world that is MINI), who do that already.
Keep on keepin' on!
ingsoc,
No, on an STI 20WHP is pretty normal. The numbers are ones we had seen from another NA car that ran very high RPM. Its not tons but it is enough that some people may choose them.
I mentioned the track stuff because of other experiences i have with cats melting at the track. Bad things happed to SC cars with plugged exhaust!
The price is still not really firm, but in a week we will publish them.
No, on an STI 20WHP is pretty normal. The numbers are ones we had seen from another NA car that ran very high RPM. Its not tons but it is enough that some people may choose them.
I mentioned the track stuff because of other experiences i have with cats melting at the track. Bad things happed to SC cars with plugged exhaust!
The price is still not really firm, but in a week we will publish them.
Originally Posted by joker
that would be NiCE
if it is! but its more of an useful mod after doin' sum port werk on ur head!
if it is! but its more of an useful mod after doin' sum port werk on ur head!
Originally Posted by discodan
hey joker, that's why i'm asking because a ported head is in my plan.
u better make sure u find out if theres enough room to match port this unit then, cuz u cant do any of that w/tha Milltek manifold.
l00ks like ur on ur way to makin' sum real power !!
Originally Posted by ALTA2
Just started shipping, prices are $799, and $699. Yes big delay, sorry. The Catless header is $699, and the high flow metallic cat version is $799.
My little dose of LITHIUM
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From: Albuquerque New Mexico
Regarding the shape of the exhaust ports, I saw the Seven (read Comptech) header and it had round ports I think. I then went and talked with Madness, and their V2 header has round ports with flat bottoms. I asked about them and George said that the flange was ready for some head work, but that the bottoms had to be flat to avoid blowing the gasket. He showed me and convinced me that round ports would leave about 1/8" of gasket on the bottom of cylinders 2 and 3--a risk not worth taking in my book.
Needless to say I am waiting for my (expensive, but still cheaper than MTH) header to arrive...
cheers, phil
Needless to say I am waiting for my (expensive, but still cheaper than MTH) header to arrive...
cheers, phil
discodan,
The ports do match the D shape of the stock head and header. The picture on our site is of a prototype that we cut round holes in. Making them round then porting the head to match will not work as there isn't much there to remove.
hyper blue 06,
We provide a 1 year warranty.
matma92ser,
Dyno numbers are soon to follow. There is a bulge/collector at the end of the primaries. Then the other buldge is the cat, which just beyond this. Is that what you are refering to? There isn't anything special to do the install, except maybe a gasket. Time to install is rouhgly an hour. Its a little tricky getting the header out the bottom of the car.
The ports do match the D shape of the stock head and header. The picture on our site is of a prototype that we cut round holes in. Making them round then porting the head to match will not work as there isn't much there to remove.
hyper blue 06,
We provide a 1 year warranty.
matma92ser,
Dyno numbers are soon to follow. There is a bulge/collector at the end of the primaries. Then the other buldge is the cat, which just beyond this. Is that what you are refering to? There isn't anything special to do the install, except maybe a gasket. Time to install is rouhgly an hour. Its a little tricky getting the header out the bottom of the car.



