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Old 01-22-2009, 11:21 AM   #1
SilentEdge
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Default When do you have to tune?

The car I just bought has only a cat back exhaust in regards to power mods. I wanted to install an up pipe and down pipe. At what point should I start thinking about getting a tune?
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Old 01-22-2009, 11:23 AM   #2
Retiarius
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After you install those mods. Not required, but you will be happy you did.
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Old 01-22-2009, 11:26 AM   #3
MIKE DD
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Originally Posted by Retiarius View Post
After you install those mods. Not required, but you will be happy you did.
02 & 03's are can run well w/no tune on those mods. But like he said, you'd be happier w/a tune. OTS map would be good, ProTune would be best to get the power out of your mods.
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Old 01-22-2009, 11:35 AM   #4
p01ntb1ank
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when you think you're done with modding or won't mod for a long time. some mods require a tune and you'll just be wasting your money if you get tuned again.
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Old 01-22-2009, 11:37 AM   #5
blackcompany
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^ seconded, or if you put something on and your car runs like crap.
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Old 01-22-2009, 11:41 AM   #6
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^ seconded, or if you put something on and your car runs like crap.
That is HORRIBLE advice. Why did you even bother?
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Old 01-22-2009, 11:57 AM   #7
zackdeha
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isnt it every 3000 miles for most cars?
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Old 01-22-2009, 11:58 AM   #8
zackdeha
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ha he ha he disregard that last statement.. sry
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Old 01-22-2009, 12:05 PM   #9
blackcompany
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...lol!
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Old 01-22-2009, 12:18 PM   #10
tux121
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Get a tune when you get the downpipe and uppipe installed.
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Old 01-22-2009, 12:21 PM   #11
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Quote:
Originally Posted by SilentEdge View Post
The car I just bought has only a cat back exhaust in regards to power mods. I wanted to install an up pipe and down pipe. At what point should I start thinking about getting a tune?
Generally speaking, there are usually improvements to be made from re-flashing your ecu, even if you haven't added any exhaust parts, etc. to your car.

When you put a turbo-back exhaust on your car, you will see an improvement, but it will likely only be about 50% of what you would get if got a tune as well.

If you want to see some dyno # with a stage 1 flash compared to a stage 2 flash, follow the "Project Car" link below.

J. Cooley
Flatirons Tuning Project Car
Flatirons Tuning F.A.Q. Blog
Flatirons Rally Team Blog
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Old 01-22-2009, 01:27 PM   #12
ChandlerWRX06
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Quote:
Originally Posted by zackdeha View Post
isnt it every 3000 miles for most cars?


next time hit the edit button not the post again button lol
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Old 01-22-2009, 01:49 PM   #13
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isnt it every 3000 miles for most cars?
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Old 01-22-2009, 02:18 PM   #14
the suicidal eggroll
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Anytime you change the way the MAF reads (new MAF housing), the way the fuel is injected (injectors, fuel rails, etc), or the way the car builds boost (wastegate, new downpipe, etc), you need a tune. Other mods might benefit from a new tune, but it's usually not necessary. Your car might be alright with a downpipe without a tune, most other subies need a tune after changing the downpipe though because the drop in restriction typically leads to overboosting unless the wastegate duty cycle is dialed down some.
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Old 01-22-2009, 03:33 PM   #15
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Originally Posted by zackdeha View Post
isnt it every 3000 miles for most cars?
If when you say Tune . . you mean Oil Change
Than YES !
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Old 01-22-2009, 03:33 PM   #16
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i think it was 02-03 wrx's that tunes arent really a necessary after an uppipe downpipe upgrade, although like most people said^^^it is much better to have one. any other year after that i think you would NEED a tune, please correct me if im wrong.
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Old 01-22-2009, 03:54 PM   #17
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i think all wrxs before 06 have a cat in the up pipe and also and factory egt or something of that nature, so that would have to be taken care of. you dont want a cel. you can also put a resistor in place of the sensor
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Old 01-22-2009, 05:14 PM   #18
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Beware. If you change up and down pipe you can have preassure peaks. I would make an ECU reprogramation after install it.
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Old 01-22-2009, 06:50 PM   #19
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Quote:
Originally Posted by SilentEdge View Post
...I wanted to install an up pipe and down pipe...
--------------
I woke up this morning, looked out the window and...it's still mods-unfriendly California out there!!!
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Old 01-22-2009, 10:25 PM   #20
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Quote:
Originally Posted by the suicidal eggroll View Post
Anytime you change the way the MAF reads (new MAF housing), the way the fuel is injected (injectors, fuel rails, etc), or the way the car builds boost (wastegate, new downpipe, etc), you need a tune. Other mods might benefit from a new tune, but it's usually not necessary. Your car might be alright with a downpipe without a tune, most other subies need a tune after changing the downpipe though because the drop in restriction typically leads to overboosting unless the wastegate duty cycle is dialed down some.
Funny, I got into it with some idiot yesterday on IWSTI. He stated that Using a Cobb Access Port stage 2 map with a new intake, turboback exhaust, and fuel pump would not need to be custom-mapped or pro-tuned for someone's particular set-up. I was just blown away. His computer would absolutely be CONFUSED!!!!! For some reason, I go to that site........I like punishment I guess...........
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Old 01-22-2009, 10:28 PM   #21
the suicidal eggroll
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Originally Posted by GUN-IT View Post
Funny, I got into it with some idiot yesterday on IWSTI. He stated that Using a Cobb Access Port stage 2 map with a new intake, turboback exhaust, and fuel pump would not need to be custom-mapped or pro-tuned for someone's particular set-up. I was just blown away. His computer would absolutely be CONFUSED!!!!! For some reason, I go to that site........I like punishment I guess...........
The intake is the only questionable part in there. The turboback is already taken care of in the stage 2 map, the fuel pump doesn't need a re-tune, and the intake would only need a re-tune if it changes the MAF scaling by more than a couple percent (which depends on the intake).
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Old 01-22-2009, 10:37 PM   #22
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Originally Posted by the suicidal eggroll View Post
The intake is the only questionable part in there. The turboback is already taken care of in the stage 2 map, the fuel pump doesn't need a re-tune, and the intake would only need a re-tune if it changes the MAF scaling by more than a couple percent (which depends on the intake).
He was talking ebay parts....... Something tells me that intake will have a little turbulence. Of course, it wouldn't bother me to be wrong. I wouldn't mind getting parts off of ebay since they are so cheap. The computer wouldn't need to be re-flashed due to the change in fuel pressure? Or will the AP handle that?
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Old 01-22-2009, 11:23 PM   #23
SilentEdge
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Originally Posted by subeerex View Post
--------------
I woke up this morning, looked out the window and...it's still mods-unfriendly California out there!!!
Shhhhhhhh.

<_<

>_>
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Old 01-22-2009, 11:41 PM   #24
ScarryFatKidGT
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Quote:
Originally Posted by zackdeha View Post
isnt it every 3000 miles for most cars?
"Tune" not "Tune up"
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Old 01-23-2009, 04:50 AM   #25
Iflysti06
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Quote:
Originally Posted by ScarryFatKidGT View Post
"Tune" not "Tune up"
LMFAO
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