AP ots question - Subaru WRX Forum
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post #1 of 21 Old 05-29-2013, 03:40 PM Thread Starter
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AP ots question

I have an 03 wrx. Im going to be putting a decatted helix downpipe on with an hks hi power cb.
2 questions
1. Is it bad to run this set up without a tune?
2. Will an accessport ots stage 2 tune be ok with these mods for a while?

Havnt found clear answers on the topic. Obv a pro tune would be ideal, but id like to know if my car will have bad problems without one.(until i can get a custom tune of course)
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post #2 of 21 Old 05-29-2013, 04:28 PM
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Cobb ap won't have an ots map for catless dp


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post #3 of 21 Old 05-29-2013, 04:31 PM
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1. Yes
2. There OTS Stg2 map is set up just for mods like yours.

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post #4 of 21 Old 05-29-2013, 04:48 PM Thread Starter
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So stage 2 ots will be ok with a catless downpipe?

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post #5 of 21 Old 05-29-2013, 05:06 PM
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No, COBB doesn't make an OTS for a catless DP. Keith.... come down and get another brew.

OP- you still should get a protune(custom) to your setup..... Keith may be trying to say it's ok to run that OTS map... which is true... but not for a long duration.

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post #6 of 21 Old 05-29-2013, 05:52 PM Thread Starter
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So run the ots stage 2 map but get tune asap? Whats the worst that will happen with no tune

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post #7 of 21 Old 05-29-2013, 07:20 PM
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Knock, boost creep. Your numbers just won't be right


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post #8 of 21 Old 05-29-2013, 07:25 PM
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Quote:
Originally Posted by pzr2874 View Post
No, COBB doesn't make an OTS for a catless DP. Keith.... come down and get another brew.

OP- you still should get a protune(custom) to your setup..... Keith may be trying to say it's ok to run that OTS map... which is true... but not for a long duration.
Taken from Cobbs website..

Quote:
Hardware Requirements
: Intended for use on a 2002-2003 WRX with
stock intake, stock fuel injectors, and a turbo-back exhaust system.
MUST USE FACTORY OR COBB SF INTAKE SYSTEM ONLY, NO OTHER AFTERMARKET
INTAKES ARE CERTIFIED COMPATIBLE WITH THIS CALIBRATION.
Doesn't say it's for a catted DP or not.... *drinks another beer in celebration*

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post #9 of 21 Old 05-29-2013, 07:50 PM Thread Starter
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Lol cheers. .. ###### just gona buy another down pipe
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post #10 of 21 Old 05-29-2013, 08:49 PM
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It's for a catted DP. I remember this from back in 07 when they gave you the option to buy a DP without a cat... (not sure if they do this anymore)..?

No stab Keith.

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post #11 of 21 Old 05-29-2013, 09:38 PM Thread Starter
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I cant find the dp that i want anywhere. Anyone know if the godspeed one is any good

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post #12 of 21 Old 05-29-2013, 11:04 PM
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Haha Godspeed= eBay junk stay far away


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post #13 of 21 Old 05-29-2013, 11:36 PM
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I know of a few guys on here that run there DP and its not all that bad. Just don't invest in there POS turbos. A little piece of pipe won't hurt tho.

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post #14 of 21 Old 05-29-2013, 11:48 PM
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I have one of there piece of shit turbos sitting around got ripped off by a guy. So now it's just paper weight


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post #15 of 21 Old 05-30-2013, 05:39 AM Thread Starter
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Unabombers manifesto says i dont need a tune with a dp (02-03) idk if that includea catless...
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