How can I tell if a b8 s4 is tuned?

[LaCross]

I just bought a 2011 s4.
How can I tell if the car is tuned? It feels way faster than it should but I've never driven another one

[jmjd]

If it goes over 155mph then it has been tuned. Haha jk, do not try that!

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[LaCross]

Lol I has an awe exhaust and intake of that helps

[ballinb5]

Lol I has an awe exhaust and intake of that helps

LOLL... probably just feels faster bc of the louder exhaust

[Nightkiller6]

Where did u get your car from? They might be able to tell you whether it be a dealer or private party.

[LaCross]

It was a dealer. And I'm coming from a fbo 135i

[will13k7]

Audi underrates it, but you might be tuned also.

[LaCross]

Yea but how can I tell ?

[rtl5009]

Boost gauge

[Sigmon20]

I know for an APR tune if you go to launch the car the revs will be over 3200 rpm, 3200 is what a stock S4 will settle at before launching. Tuned cars usually have a higher rev

Edit: for a B8.5 at least

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[Nightkiller6]

You could probably call the dealer you bought it from whenever they open and see what they know. If they dont know, find an Audi dealer and go test drive another S4.


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[u2nelson]

Launch RPM if auto trans, tuned will be higher. And if your 6MT, just see if it will rev past red line with out cutting out, tuned will push right past 6500 and will still be pulling hard. When the engine is stock, it kinda stops pulling after 5500 RPM.

[justr0]

I just bought a 2011 s4.
How can I tell if the car is tuned? It feels way faster than it should but I've never driven another one

well the easiest way to know would be the raised redline in the tuned version vs stock. The stock in Manual mode will usually shift way before 6500rpm, the tuned will probably go all the way upto 7000-7200rpm. Also if the previous owner disabled automatic upshift in manual mode, like i did, you will bounce off the rev limiter like in a true manual until you trigger an upshift via the paddle.

[LaCross]

My car is manual lol

[Sceanzo]

Measure the pulley, that will at least tell if stage 2 or not

[LaCross]

Pulley is stock. Also the supercharger is silent

[Sceanzo]

Pulley is stock. Also the supercharger is silent

Supercharger can be loud even Stock, just depends on which intake. FWIW the APR pulley is identical to OEM just smaller (same texture, color, etc.)

Run it to Audi, they will tell you. Half the threads on this forum are about trying to hide the tunes from Audi lol

[justr0]

My car is manual lol

LOL whoops, I jumped the gun there, but either way I believe the rev limiter is raised for both to about 7200 instead of the stock 6500. Maybe test drive a stock car at the dealership. Or if you have Carista or similar Bluetooth OBD 2 dongle, you can use an app like Torque Pro to check your boost, if stock you should see a boost leak around 5500rpm which will cause the car to stop pulling like @u2nelson said.

[Usa]

Log boost, log a/f ratio, try to go over 155, race a stock S4 of the same model, or go in for warranty work and see if your car flags a TD1.

Recommend 1 or 2.

[bpollock]

Email major tuners with you vin and ask if they have your car on file.

[wootwoot]

Do 1/4 mile runs and see what sort of times you hit.

[ruamit03]

You can take your vin and call APR, GiAC and the others. I know APR can't tell you what stage, but if you are running their file then they have the vin in file.

[Saud]

if it flys

[s4buckeye]

. . . .

[LaCross]

Me thinks the app idea will work. I still have my old cable somewhere

[onlyaudis]

I thought the same thing on my car. turned out to be stock. so few of these cars have actually had software done on them and then sold--you get a warped perspective here at an enthusiast forum. seems like every S4 out there is tuned. probably really like 5% of them are.

stock these cars are pretty fast--R&T got a 4.5 seconds to 60MPH -almost as fast as the V8 R8. I later did stage 1 EPL tune on mine with some E85 added, and the car is now more responsive and pulls harder for sure, especially at the higher rpms. But it is not "way faster" than stock because stock was already fast..

[MrFunk]

I just bought a 2011 s4.
How can I tell if the car is tuned? It feels way faster than it should but I've never driven another one

LOL... explain to me how do you know if feels WAY faster if you've never driven another one?


What other mods did it come with? If none then I'm willing to bet it's not tuned.


These cars are quick in stock form...


Where are you located? Meet up with a friendly AZ member with a tuned S4 and have him/her test drive you car... should be able to tell...

[LaCross]

Because it feels way faster than 330hp... Mind you my 135i was putting down 400whp. Has an awe exhaust and intake pipe

[MrFunk]

Because it feels way faster than 330hp... Mind you my 135i was putting down 400whp. Has an awe exhaust and intake pipe

Stock they are about 360 (under rated at 330 as Audi typically does). If you don't have other mods I'd be willing to bet you are not tuned.

[onlyaudis]

Stock they are about 360 (under rated at 330 as Audi typically does). If you don't have other mods I'd be willing to bet you are not tuned.

This. stock these cars make close to 300WHP. supercharged cars always seem faster to me than they should as well in general, I think its the power curve and instant response that does it.

[xuandatou]

Rev in neutral to test if rev could climb over 4K RPM,if it does, then it is probably tuned.

The OEM 6MT has limitation of 4K Rev in neutral.

[Htown213]

When you floor it, see if it goes vrrooooooMMMMMMM!!!!! If it doesn't you're probably not tuned.

[firstars]

see if you can hit the brake and gas at same time. srsly.

from APR:

"APR's Left Foot Braking feature allows more control over the vehicle’s throttle. The factory equipped vehicle's throttle input is disabled while pressing the accelerator and brake at the same time. Left Foot Braking, a common motorsport driving technique, allows the driver complete control over the vehicle’s throttle and braking system, which may give the vehicle the edge it needs at the track."

[LaCross]

After doing a 1-2-3 pull I have determined that the car is not tuned

[bhvrdr]

After doing a 1-2-3 pull I have determined that the car is not tuned

How?

Mike

[Sean@APR]

After doing a 1-2-3 pull I have determined that the car is not tuned

So, tune it! :)

[LaCross]

So, tune it! :)

Got any deals? :)

And the car was slower than I thought. I didn't really have time to do a healthy pull before but first gear was still impressive. These things pull stock

[MrFunk]

After doing a 1-2-3 pull I have determined that the car is not tuned

What's changed your mind?

[vwblackb5]

What's changed your mind?

^OP finally came to his senses... he was so sure it was faster than stock despite having never driven another one before or way to quantify (all subjective butt dyno and anecdotal with his fbo 135i)

[LaCross]

^OP finally came to his senses... he was so sure it was faster than stock despite having never driven another one before or way to quantify (all subjective butt dyno and anecdotal with his fbo 135i)

If I was sure I wouldn't have made a thread :) let's use the noggin