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Old 09-05-2018, 03:40 PM   #1933
ksandman
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I was running Stratified Stage 1 with no whistling noise at WOT. Now that I added a COBB intake and COBB downpipe, I get the whistling sound. Would this be the diverter valve also?


The whistling sound is the DV resonating back through the intake. A DV + or a DV relocation will solve the issue


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Old 09-05-2018, 05:06 PM   #1934
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The whistling sound is the DV resonating back through the intake. A DV + or a DV relocation will solve the issue


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Sorry for the potentially dumb question... So with Stage 1, no whistle, Stage 2 = whistle?

And also, can someone show me where this DV valve is and a link to a replacement?
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Old 09-05-2018, 05:57 PM   #1935
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I'm cobb OTS 1+ and I get whistle
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Old 09-05-2018, 06:26 PM   #1936
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Quote:
Originally Posted by theclutch View Post
Sorry for the potentially dumb question... So with Stage 1, no whistle, Stage 2 = whistle?

And also, can someone show me where this DV valve is and a link to a replacement?
DV is mounted on the turbo, on the rear of the engine on the passenger side. If you jack up the car on that side you'll have enough room to access it.

Rev D part #: 06H145710D

Or get Gfb DV+ and you should be able to reuse your current dv

Didn't give link because there are a lot places to buy the part(s) from. Just Google the part #
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Old 09-05-2018, 06:51 PM   #1937
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Originally Posted by uglybastard View Post
I'm cobb OTS 1+ and I get whistle
I think it's a combination of intake type, supporting mods and boost level that causes whistle/resonance. Not necessarily the stage you are.
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Old 09-05-2018, 07:29 PM   #1938
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I think it's a combination of intake type, supporting mods and boost level that causes whistle/resonance. Not necessarily the stage you are.
Yep that was what I was getting at
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Old 09-05-2018, 08:22 PM   #1939
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Hey Guys,

I'm going to be pulling the trigger and ordering the stratified flash tune + refinement, just wanted to get some feedback on owners who've made the switch from unitronic or similar companies to stratified. I'm coming from uni stage 2, have all the components in place, going to add a DV+ and intercooler prior to the tune.

Any feedback is great.
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Old 09-20-2018, 02:19 PM   #1940
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Originally Posted by MmmmmBoost View Post
Hey Guys,

I'm going to be pulling the trigger and ordering the stratified flash tune + refinement, just wanted to get some feedback on owners who've made the switch from unitronic or similar companies to stratified. I'm coming from uni stage 2, have all the components in place, going to add a DV+ and intercooler prior to the tune.

Any feedback is great.
I went from APR to Stratified and couldn't be any happier! Tune feels way more smooth, pulls just as strong if not stronger, and its reassuring to know its set up for my exact fuel, my exact car and mods, and if I have troubles I can call and actually talk to the guys who are tuning my car, not just try band aid fix the off the shelf tune other companies offer.


On another note, just got an APR DSG tune to go along with my stratified tune, and anyone who may still be running a stock transmission tune with their DSG equipped stratified tuned car I highly recommend the switch. Feels way more responsive in Drive, Sport is finally usable, and manual mode shifts was more promptly and shifts are quicker! Overall shifts are smoother when driving gently, and more firm (without being jarring or feeling like something is breaking) when driving spiritedly!
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Old 09-20-2018, 03:10 PM   #1941
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My experience with Stratified has been the exact opposite. I started out with a base pro-tune for my KO4. Car kept going into limp mode. It got better after a few revisions and swapping out a few different parts but it was still far from smooth especially under varying load conditions (when the A/C is on is a prime example). Every revision took about 1-2 weeks, with the last couple revisions taking 3-4 weeks. Alex is never available via phone, the women who answer always take a message and I never hear anything. I spent an ass load of money swapping out different parts and running diagnostics to make sure it wasn't a hardware issue. After 5 months and about 10-12 revisions (and still having occasional limp mode issues) I had enough and went to APR. Car's been running 100% perfect ever since.
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Old 09-20-2018, 03:30 PM   #1942
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I wouldn't go strat with a k04 just because of the wait time. If you're gonna have to go through 6+ revisions and each revision is 2 weeks on average...3 months is a long time to get your tune straightened out, especially if it's your DD. I don't have that kind of patience but I also don't have a safe place to get logs with that kind of power. They make a great k03 tune though and the first iteration is normally good enough.

On the other hand, APR can fuck right off. I'll never have anything nice to say about them.
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Old 09-20-2018, 03:38 PM   #1943
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Originally Posted by sterkrazzy View Post
I wouldn't go strat with a k04 just because of the wait time. If you're gonna have to go through 6+ revisions and each revision is 2 weeks on average...3 months is a long time to get your tune straightened out, especially if it's your DD. I don't have that kind of patience but I also don't have a safe place to get logs with that kind of power. They make a great k03 tune though and the first iteration is normally good enough.

On the other hand, APR can fuck right off. I'll never have anything nice to say about them.
I agree. As a previous apr stage 2 customer thier tune for the stock turbo is not the best and Stratified definitely has them beat in that department. Can't talk for k04 because I don't have one but if I was to go ko4 I think I'd go back to apr just because of the extreme wait time with between strat revisions.

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Old 09-20-2018, 08:10 PM   #1944
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I agree with above posts. Stratified stock turbo tuning is great. However when you start messing with boost control/high boost levels i.e aftermarket wastegate actuators/big turbos their tuning isn't as great. I've been tuning with stratified for about year. I've had 10-15 revisions, with some significant downtime for different repairs.

My forge wga seems to be complicating tuning a bit, combined with a ported stock turbo and IE intake manifold. I'm making a ton of boost but it often feels inconsistent. Also low end driveability isn't smooth.

Overall tune makes a ton of power for a stage 2 car, but lack of driveability is meh. Pushing 26 psi though.

I'm going to keep tuning with stratified but I plan on get actual dyno tune somewhere between Jan-Mar whenever I get a WMI system installed.

My revisions are currently taking 2-3+ weeks, last revision didn't work with 3-bar sensor like tuner said it would. So that's another delay.
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Old 09-21-2018, 12:03 AM   #1945
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Thanks for all the input guys, I pulled the trigger and got the stratified flash tune + refinements. So far so good, pulls very strong and smooth. Still need a maf calibration and install my dv+ and intercooler before the refinements, hopefully I can make a little extra power.
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Old 09-21-2018, 09:42 AM   #1946
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I'm running Stratified Stage 1 with 91/93 octane tunes. Currently only have a drop in filter and GFB DV+. Thinking about pulling the trigger on an intake. Would I need to get the tunes refined for the intake or will the computer+tune "learn"?
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