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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Who's interested in SS Headers?



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      03-16-2012, 09:30 AM   #1
TSM330i
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Who's interested in SS Headers?

I've been trying to convince VAC to come out with a SS header for our engines.

VAC has a stellar reputation and has been around for many years, established in 1984. Yes, they are relatively new in the e90post community, but they are embracing it fully and have shown their support since joining.
http://www.vacmotorsports.com/
Local thread for their updates:
http://www.e90post.com/forums/showthread.php?t=593996

These headers would be engineered to the highest standards and they would NOT be released unless there was a performance gain to be had. That is just the type of organization they are.

They know about the coated steel header that MMW is coming out with, so they're not sure how many more people would be interested in purchasing headers. Of course, they need to spread out engineering costs over a number of headers so they can actually make money (duh, common business sense).

BTW: they're always looking to develop something new if there's a need. Feel free to contact Mike@VAC if you can think of anything. Doesn't mean it will happen, but if there's a need, there's a stronger possibilty.

Who's interested in SS headers?
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      03-16-2012, 10:00 AM   #2
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I'd be def interested!
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      03-16-2012, 10:16 AM   #3
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I'd be intrested in it if it's not to expensive
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      03-16-2012, 10:17 AM   #4
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Quote:
Originally Posted by Bmachine18 View Post
I'd be intrested in it if it's not to expensive
The more people we can get to buy......
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      03-16-2012, 10:23 AM   #5
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I would be interested but...need to know pros/cons and estimated cost - parts + labor
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      03-16-2012, 10:30 AM   #6
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Quote:
Originally Posted by ENIGMA33
I would be interested but...need to know pros/cons and estimated cost - parts + labor
If they can get me that I would be intrested
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      03-16-2012, 10:40 AM   #7
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Would these headers be a high flow cat version? I have to e-check my car so i don't know if o2 sims would get me past that.
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      03-16-2012, 01:26 PM   #8
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I would think you would be able to add a high-flow cat to any exhaust. These would get rid of the pre-cats obviously. I'm pretty sure O2 sims are already being produced by another vendor so no problem there.

As for pros/cons - I'm not sure what you mean.

Cost - Obviously they'd like to keep the cost down or no one will buy them. Right now the only SS headers available are from Supersprint and they cost a fortune.
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      03-16-2012, 01:39 PM   #9
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Ill give you some pros and cons...

Pros
Easy 10-15rwhp with simple bolt on
Zero harm to engine or components
Better exhaust tone

Cons
Will not pass emissions
Illegal due to removal of primary catalytic converters (Even if you move them to after the headers it is still illegal federally, and in many states. They are only allowed to be replaced in the stock locations)
Exhaust smell (some dont care)
OBD II cars will require o2 simulators to not throw error codes




If I hadn't have already purchased a set of MMW headers I would be down for this.
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      03-16-2012, 01:55 PM   #10
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Quote:
Originally Posted by jntar View Post
Ill give you some pros and cons...

Pros
Easy 10-15rwhp with simple bolt on
Zero harm to engine or components
Better exhaust tone

Cons
Will not pass emissions
Illegal due to removal of primary catalytic converters (Even if you move them to after the headers it is still illegal federally, and in many states. They are only allowed to be replaced in the stock locations)
Exhaust smell (some dont care)
OBD II cars will require o2 simulators to not throw error codes



If I hadn't have already purchased a set of MMW headers I would be down for this.
How you liking the MW3 headers so far?
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      03-16-2012, 02:30 PM   #11
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Quote:
Originally Posted by LemonIce View Post
How you liking the MW3 headers so far?
Ill let you know in a week or two. They ship out next week.
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      03-16-2012, 02:38 PM   #12
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Quote:
Originally Posted by jntar View Post
Ill let you know in a week or two. They ship out next week.
lol I thought you have it installed already
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      03-16-2012, 04:54 PM   #13
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Quote:
Originally Posted by jntar View Post
Ill give you some pros and cons...

Pros
Easy 10-15rwhp with simple bolt on
Zero harm to engine or components
Better exhaust tone

Cons
Will not pass emissions
Illegal due to removal of primary catalytic converters (Even if you move them to after the headers it is still illegal federally, and in many states. They are only allowed to be replaced in the stock locations)
Exhaust smell (some dont care)
OBD II cars will require o2 simulators to not throw error codes

If I hadn't have already purchased a set of MMW headers I would be down for this.

That's what I thought about emissions. So the question is what would the cost end up being, $$$/hp? Or is it better to decrease weight to gain the same performance with lower cost? I am sure somebody considered this already.

Thanks for the summary.
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      03-16-2012, 08:34 PM   #14
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I would be interested as well. Out of curiosity, not to jack this thread, but does anyone have any experience with the MXP SS Headers sold by horsepowerfreaks?
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      03-17-2012, 12:38 AM   #15
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I'd be interested based on price. I heard the bms downpipe fix works on our cars too. I'd like quality headers that actually get delivered as promised. Gains should be guaranteed. Dimsum dyno'd 15hp gains from deleting cats on a stock manifold.
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      03-17-2012, 07:44 AM   #16
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Quote:
Originally Posted by jntar View Post
Ill give you some pros and cons...

Pros
Easy 10-15rwhp with simple bolt on
Zero harm to engine or components
Better exhaust tone

Cons
Will not pass emissions
Illegal due to removal of primary catalytic converters (Even if you move them to after the headers it is still illegal federally, and in many states. They are only allowed to be replaced in the stock locations)
Exhaust smell (some dont care)
OBD II cars will require o2 simulators to not throw error codes




If I hadn't have already purchased a set of MMW headers I would be down for this.
Got it. Thanks.
Yes, the cons are going to exist with any long-tube header. I personally will most likely put on high-flow cats as I think it may be too loud for me (my wife drives my car too )

As for weight reduction - I've done almost everything I can do to reduce weight already (I'm getting a carbon roof in early April). My car will weigh about 3,215lbs when I'm finished. It costs A LOT of money to reduce weight.
$1200 for CF hood (depending on how much you pay for paint)
$1200 for CF trunk (depending on how much you pay for paint)
$3000 for CF roof (with installation)
$1200 for lighter wheels (price depends on what type of wheel you go with)
$2500 for lighter seats (including all mounting hardware)
$300 for lighter battery
$5000 for BBK (yes, even though they are bigger, they are lighter)
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      03-17-2012, 10:42 AM   #17
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You worried about an aftermarket CF roof screwing up your chassis rigidity? I'd be concerned about that.
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      03-17-2012, 09:52 PM   #18
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depending on price, i'd prob be interested.
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      03-17-2012, 10:38 PM   #19
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Quote:
Originally Posted by TSM330i View Post
Got it. Thanks.
Yes, the cons are going to exist with any long-tube header. I personally will most likely put on high-flow cats as I think it may be too loud for me (my wife drives my car too )

As for weight reduction - I've done almost everything I can do to reduce weight already (I'm getting a carbon roof in early April). My car will weigh about 3,215lbs when I'm finished. It costs A LOT of money to reduce weight.
$1200 for CF hood (depending on how much you pay for paint)
$1200 for CF trunk (depending on how much you pay for paint)
$3000 for CF roof (with installation)
$1200 for lighter wheels (price depends on what type of wheel you go with)
$2500 for lighter seats (including all mounting hardware)
$300 for lighter battery
$5000 for BBK (yes, even though they are bigger, they are lighter)
Interesting... where you gonna get the carbon roof done?
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      03-17-2012, 11:21 PM   #20
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Quote:
Originally Posted by desertfx41 View Post
I would be interested as well. Out of curiosity, not to jack this thread, but does anyone have any experience with the MXP SS Headers sold by horsepowerfreaks?
they're 1200 bucks, just checked the site. f that lol
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      03-17-2012, 11:55 PM   #21
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Quote:
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they're 1200 bucks, just checked the site. f that lol
Assume headers from VAC would be less than that
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      03-18-2012, 08:39 AM   #22
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Quote:
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Interesting... where you gonna get the carbon roof done?
Yes, VAC is doing it.
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