anybody here running cobb stage 2 on a STi..

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Old Jun 16, 2005 | 05:32 AM
  #1  
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anybody here running cobb stage 2 on a STi..

well im curious how much different over jus a turboback or stock... or feel any big gain on power wise.. thanx

sean...
Old Jun 16, 2005 | 07:25 AM
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Thumbs up I would be interested in knowing as well.

Some folks say Cobb doesn't generate as much power as claimed. I like the fact that everything comes from a single manufacturer and is bolt on with out mods. I am not sure if this counts for anything though.

Also they will be at the July 17th Mt Ham run so you should be able to get more information from them there.

IMHO I don't think the are inferior. Not sure if it is the best combo though.

My interest at this point is to upgrade my vehicle over the next two years.

First I would like to get my suspension squared away. I am looking at getting sway bars and tower braces.
This is the first cheap change that will improve the handling.

Next I wanted to possibly change out my rotors. I like the bembro brake calipers, but will going to drilled and slotted rotors make a significant difference or just ware my pads down faster?

Lastly I wanted to get an ECU mapper and exhaust. Cobb is one option. The other I was lokking at was ECUTEK and an HKS or Nur Spec Exhaust. This would be a Cat back replacement as I still want to be semi legal.

I was also going to switch over to a K&N air filter, but not sure if this will help or hinder things.

For those of you super tuners out there please spread the word.. Educate us before we start dumping cash into our cars..

Thanks..
Old Jun 16, 2005 | 10:04 AM
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stage two is definitely a difference. you can feel it. its not as much power as a custom tune, but it is there. you need to decide what you want out of your car. it gives the car that push you back in your seat feeling again
Old Jun 16, 2005 | 10:09 AM
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don't get cobb....get ECUtek

Your car will thank you..

Old Jun 16, 2005 | 10:15 AM
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Originally Posted by dsilver668

Next I wanted to possibly change out my rotors. I like the bembro brake calipers, but will going to drilled and slotted rotors make a significant difference or just ware my pads down faster?
Solid brake rotors are best if you keep stock size rotors. drilled/slotted rotors will reduce surface area for the caliper to grab onto. If you have larger than normal rotor size, usually with a larger caliper the drilled/slotted rotors might make a difference but only under track conditions. A more aggressive brake pad compound makes the biggest difference in stopping power.
Old Jun 16, 2005 | 10:23 AM
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Originally Posted by 02BlackWRX
don't get cobb....get ECUtek

Your car will thank you..

what if you get an AP and a protune? The on-the-fly map switching has got to count for something. The protune should take care of the less-than-optimal off-the-shelf maps cobb provides.
Old Jun 16, 2005 | 02:12 PM
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Originally Posted by ZK
Solid brake rotors are best if you keep stock size rotors. drilled/slotted rotors will reduce surface area for the caliper to grab onto. If you have larger than normal rotor size, usually with a larger caliper the drilled/slotted rotors might make a difference but only under track conditions. A more aggressive brake pad compound makes the biggest difference in stopping power.
Thanks ZK.. I always wondered what the difference was. Pads are a cheeper too so switching compounds makes sense.
Old Jun 16, 2005 | 07:22 PM
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The base maps that are provided with the AccessPORT tend to not run very well on california gas. Most cars I've seen running a Cobb base map are on the lean side and experience a good deal of knock.

That being said, once ProTUNER is released, tuners will be able to custom tune their own maps for the AccessPORT just like they do with Ecutek. The benefit is that you get an AccessPORT and can switch between several maps easily.

Thanks
Old Jun 17, 2005 | 02:44 AM
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Don't get caught into thinking that the Stage 2 is a "package" that you have to buy from Cobb. You can run whatever downpipe and catback that you want and use Cobb's Stage 2 tuning... choose the best exhaust parts for you. Nothing wrong with mixing and matching.

Don't buy new rotors unless you have to. Rotors for the STI are extremely expensive, and there's nothing wrong with the stock ones whatsoever. As was mentioned, upgraded pads make a world of difference. You wont feel or notice anything by putting different, stock-sized rotors in, regardless of how slotted they are or what color they are .... you've gotta push your brakes HARD for any deglazing, outgassing effects of the slotting to matter...

Jeremy
Old Jun 17, 2005 | 02:59 AM
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well thanx for all the replys.....

i have full turbo back exhust already... i was thinking of reflash to get more and that will be it for me...


hey EQ tuning.... how much will u charge for protune cobb if i have the cobb accessport?

and can i buy accessport localy in the bayarea or its jus an online thing?...


thanx
sean
Old Jun 17, 2005 | 07:34 AM
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Thumbs up cobb gets a bad rap

I have the cobb stage 2 on my 04 sti and it works great. I'm sure you could get more power tuning in different ways, But I have had no probs with my purchase. What makes the access port so nice is the fact that it is pulg and play. just plug it into the diagnostic port under the dash and go. and if you need to you can put everything back to stock just as easy.
Old Jun 17, 2005 | 10:24 AM
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Thumbs up

Originally Posted by okpanic
I have the cobb stage 2 on my 04 sti and it works great. I'm sure you could get more power tuning in different ways, But I have had no probs with my purchase. What makes the access port so nice is the fact that it is pulg and play. just plug it into the diagnostic port under the dash and go. and if you need to you can put everything back to stock just as easy.
I think in the end it comes down to what are you wiling to spend. What type of perfomrance increase are you looking for?
Also budget has a lot to do with it...
Old Jun 17, 2005 | 02:05 PM
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Originally Posted by EJ20Legacy

Don't buy new rotors unless you have to. Rotors for the STI are extremely expensive, and there's nothing wrong with the stock ones whatsoever. As was mentioned, upgraded pads make a world of difference. You wont feel or notice anything by putting different, stock-sized rotors in, regardless of how slotted they are or what color they are .... you've gotta push your brakes HARD for any deglazing, outgassing effects of the slotting to matter...

Jeremy
my problem with them is that water gets in there, during rainy times.

and the first time you hit the brakes, water dont compress and it feels like you HAVE NO brakes...

will be replacing with some genuine brembo cross drilled before next rainy season...
Old Jun 17, 2005 | 02:05 PM
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Originally Posted by downsti
well thanx for all the replys.....

i have full turbo back exhust already... i was thinking of reflash to get more and that will be it for me...


hey EQ tuning.... how much will u charge for protune cobb if i have the cobb accessport?

and can i buy accessport localy in the bayarea or its jus an online thing?...


thanx
sean
Sean,

If you already have your own AccessPORT, I will just charge for the tuning time which runs $100/hour for road tuning and $160/hour for dyno tuning. A good tune takes approximately 2-3 hours. If for whatever reason I want to spend more time on the car, I always cap my charges at 3 hours of road tuning or 2 hours of dyno tuning and the rest of the time I spend is at no charge to the customer.

You can buy AccessPORT either from Cobb directly or one of their dealers locally.

Thanks
Old Jun 17, 2005 | 02:12 PM
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Originally Posted by okpanic
I have the cobb stage 2 on my 04 sti and it works great. I'm sure you could get more power tuning in different ways, But I have had no probs with my purchase. What makes the access port so nice is the fact that it is pulg and play. just plug it into the diagnostic port under the dash and go. and if you need to you can put everything back to stock just as easy.

The real issue is not getting more power out of the car, but rather the safety and reliability of the tune. Cobb's maps tend to run on the lean side especially for cali gas. This results in high EGT's as well as plenty of detonation. Almost every car I've seen running a Cobb base map has had atleast some audible detonation, and all of them run fairly lean. The problem is that these base maps are tuned on different gas and at a much higher elevation, so there's no surprise that they have some issues in our conditions.

So in the end a custom tune will run safer, keep your engine healthier, run smoother, and make more power than the base maps. I think most people can agree that these benefits are well worth the price of a couple of hours of tuning.

Thanks
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