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[Official] "Do I need a tune with bolt-ons?" thread

Please direct questions about tuning related to bolt-ons to this thread.

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Old 10-11-2009, 12:39 PM   #1 (permalink)
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Default [Official] "Do I need a tune with bolt-ons?" thread

Please direct questions about tuning related to bolt-ons to this thread.

Last edited by frost; 12-25-2012 at 11:11 PM.
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Old 12-26-2010, 03:38 AM   #2 (permalink)
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Default need a tune??

Would I need to get it tuned after installing the gen111 intake, catback exhaust and new cats and oil cooler?

Last edited by boomboom; 12-26-2010 at 03:44 AM. Reason: ..
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Old 12-26-2010, 04:17 AM   #3 (permalink)
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Yes please.
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Old 12-26-2010, 07:21 AM   #4 (permalink)
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Yeah, If you can afford a custom tune then go for it.

you wont get enough gains from these breathing mods until you custom tune your car.
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Old 12-26-2010, 07:45 AM   #5 (permalink)
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Agreed if you want to get the rest out of your mods you will need a tune, You should be fine as far as AFR. But if you add another bolt-on like headers you will be off and your stock ECU will not be able to compensate.


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Old 12-27-2010, 01:05 AM   #6 (permalink)
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Quote:
Originally Posted by One_Quick_Z View Post
Agreed if you want to get the rest out of your mods you will need a tune, You should be fine as far as AFR. But if you add another bolt-on like headers you will be off and your stock ECU will not be able to compensate.


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So if I get headers get a tune, or get a tune even though I am not getting headers?
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Old 12-27-2010, 01:12 AM   #7 (permalink)
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Quote:
Originally Posted by boomboom View Post
So if I get headers get a tune, or get a tune even though I am not getting headers?
You can get full bolt-ons with out headers, and get a tune right after that. Or you can get full bolt-ons including headers then get the tune. Personally, I wouldn't get the headers. Waste of money, imo.
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Old 12-27-2010, 09:34 AM   #8 (permalink)
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**** man, I tune my cars in stock format ;-)

All vehicles can beneift from changing the factory mapping with or with out mods.

Your car will compensate very well up to a point, but a tune should make it perfect, if your tuner is decent.

Having said that I would not loose sleep over it, get the tune when you are satisifed with your mods. N/A motors are more forgiving.
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Old 12-27-2010, 12:14 PM   #9 (permalink)
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Old 12-27-2010, 03:33 PM   #10 (permalink)
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Quote:
Originally Posted by Kastley85891 View Post
**** man, I tune my cars in stock format ;-)

All vehicles can beneift from changing the factory mapping with or with out mods.

Your car will compensate very well up to a point, but a tune should make it perfect, if your tuner is decent.

Having said that I would not loose sleep over it, get the tune when you are satisifed with your mods. N/A motors are more forgiving.
Awesome, thank you..no i don't plan on headers, cats are better imo
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Old 04-30-2011, 08:27 AM   #11 (permalink)
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Default Bolt on's, need tuning?

I know this has probably been asked before, but I've got the Stillen G3's and Stillen exhaust, so would a tune be beneficial? I've had these on the car for about 10k miles...and I'm just not too familiar with the whole tuning thing. Any suggestions on a certain tune if I should get one?
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Old 04-30-2011, 09:38 AM   #12 (permalink)
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A tune can get you some more HP (~10) but it's not necessary. Uprev is strongly supported here.
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Old 04-30-2011, 09:56 AM   #13 (permalink)
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Quote:
Originally Posted by spearfish25 View Post
A tune can get you some more HP (~10) but it's not necessary. Uprev is strongly supported here.
You should also reset your ECU after installation of these mods.
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Old 04-30-2011, 10:25 AM   #14 (permalink)
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Quote:
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You should also reset your ECU after installation of these mods.
That's not necessary. An ECU reset isn't required after bolt-on intakes & exhausts are installed. Yes, a tune will give a better A/F ratio and give slightly better HP numbers (depending upon the maps used).
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Old 04-30-2011, 02:06 PM   #15 (permalink)
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I would recommend at least getting a dyno run performed where they monitor the A/F ratio to see what the car is running. Sometimes, G3 intakes lean the car out beyond the safe limit where I could tell you that it isn't a problem: my car was detonating slightly before my tune after installing the G3 intake even after resetting the ECU. However, conversely many run the G3 without a tune and have had no issues.
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