RS7 - which downpipes/tune would you recommend?

[swoler.bear]

Looking to go stage 2 on my RS7. Currently stock, would you guys go full APR or do you have other suggestions? Looking to get the most bang for my buck, obviously but it's all expensive so just hit me with your best advice if you don't mind.

[saxon]

it really depends on what you're looking for in a tune.

for me i like my local dealer and he uses unitronic. they also have the benefit that any updates i can do from the comfort of my garage and no need to make an appointment.

Until APR offers this they are behind the ball with features that truly benefit the customer

[sciblades]

it really depends on what you're looking for in a tune.

for me i like my local dealer and he uses unitronic. they also have the benefit that any updates i can do from the comfort of my garage and no need to make an appointment.

Until APR offers this they are behind the ball with features that truly benefit the customer

This

I have been unitronic since 2013 on my s6 and rs7 and have always been beyond happy with the results

[pez81]

Sciblades mate have you ever suffered from the Amax issue other APR stage 2 customers have had or is it just the APR tune that seems to be effected. I understand the sample audience is small for other tuners as most have gone APR but just curious to see if you've been effected as I know you tracked yours quite a bit

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[mbordeianu]

I recently just did the apr downpipes and stage 2 with the Canadian APR here in Calgary. So far it's been amazing and the sound is really sweet. You'll love driving in sport mode.

[OOOO SSSS]

Sciblades mate have you ever suffered from the Amax issue other APR stage 2 customers have had or is it just the APR tune that seems to be effected. I understand the sample audience is small for other tuners as most have gone APR but just curious to see if you've been effected as I know you tracked yours quite a bit

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Would also like to know.

[Roebear]

I'm full stage 2 giac with miltek from the downpipes back. Looking for a 4wdyno but sound and performance are definitely noticeable.

I've also heard very good things about unitronic and if I wasn't already giac would have given them a harder look.


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[odawg6692]

What did you end up doing? Looking myself


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[Ze_Nardo6]

If you have an RS7, APR is the only real option. Go look at the 1/4 mile database thread (at the top of this subforum) to see for yourself

[MaineRS7]

I have APR and I like it, it's the fastest streetcar in Maine but when cold weather comes the car suffers from a cylinder five error and they've been unable to resolve it. APR flew their top engineer out to Maine and he worked on it for three days but they couldn't fix the problem.


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[Roebear]

I went with Miltek. Don't have slips but car made some good power this spring




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[IowaRS7]

I have APR and I like it, it's the fastest streetcar in Maine but when cold weather comes the car suffers from a cylinder five error and they've been unable to resolve it. APR flew their top engineer out to Maine and he worked on it for three days but they couldn't fix the problem.


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Does this happen with a specific octane file? Only when launching or is it high rpm runs? Wondering if fuel quality could play a factor? Seems odd it only happens when colder out, unless car just isn't fully warmed up. Wonder if the tune is too aggressive for fuel system and/or timing with colder more dense air? Any changes to the intake or other parts of the exhaust?

[Laila_7]

I have APR and I like it, it's the fastest streetcar in Maine but when cold weather comes the car suffers from a cylinder five error and they've been unable to resolve it. APR flew their top engineer out to Maine and he worked on it for three days but they couldn't fix the problem.


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Is this problem, also happeningwith A7 (3.0) cars?


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[Ze_Nardo6]

Is this problem, also happeningwith A7 (3.0) cars?


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No it is not. Specific to APR and the RS7...and it's rare

[gta7]

No it is not. Specific to APR and the RS7...and it's rare

Doesn't seem that rare.

[Ze_Nardo6]

Doesn't seem that rare.

How many guys do you know of that are experiencing this issue out of the high hundreds, maybe 1000+ APR tuned RS7s? I know of about 3-5 from the countless hours spent on forums

That's far less than 1%, most would agree that is "rare"

[gta7]

How many guys do you know of that are experiencing this issue out of the high hundreds, maybe 1000+ APR tuned RS7s? I know of about 3-5 from the countless hours spent on forums...

That's far less than 1%, most would agree that is "rare"

How do you know how many RS7s are tuned?

[3rdBNCC]

How many guys do you know of that are experiencing this issue out of the high hundreds, maybe 1000+ APR tuned RS7s? I know of about 3-5 from the countless hours spent on forums

That's far less than 1%, most would agree that is "rare"

I agree and in most cases it's the guys making the mistake of going WOT before the oil temp reaches a safe operating level. That is the typical discussion here about cylinder 5 misfires on these cars.

[Ze_Nardo6]

How do you know how many RS7s are tuned?

I don't. I stated an estimated range, not an exact number.

I'm not an RS7 owner, nor an APR customer, I have no dog in this fight. And have no desire to go back and forth about this topic, it doesn't move the needle for me...call APR yourself and ask if you really want to know. But I'd be shocked if there weren't more than 600+ RS7s out there with APR software since the car has been around since 2013. Not to mention they essentially have no competitors in the market (Uni and GIACs market share is tiny in comparison).

If the issue being discussed weren't rare, I doubt so many owners would risk their $100k+ cars for a bit more power

[kevinw23]

So, I have run my car close to 30 times at the dragstrip. Initially I was with Unitronic, and I decided to try APR based on all the numbers I saw. Dyno numbers mean nothing on these cars. Put the car on the dragstrip and let it rip and then you will see which cars have the best times. The track times speak for themselves. Most guys that are stage 2 have basically the same set up, and the APR times are currently far and away the most impressive. Once you go stage two, try out different fuels, different tire pressure settings, etc, and come up with a formula that works best for you and your car.

[cobrario]

This is not a subjective discussion, facts are facts, feelings shouldn't get hurt over quantifiable facts, rather, it should motivate others to change their side so the facts show a different result. Fact 1- Unitronic is good company with many good products, Fact 2- APR is a good company with many good products Fact 3- APR's software for the RS7 is more expensive than Unitronic Fact 4- For the RS7, APR's software is substantially faster than Unitronic. These 4 facts are not up for discussion because they are..well, facts. When equipped with facts people can make educated decisions, how you decide is completely up to you and I as most others on here should care less what you end up doing, it's your car. But let's not confuse objective for subjective any more when this question comes up again and again and again...

[3rdBNCC]

There's a reason the 1/4 mile sticky is dominated by APR RS7s, that's all the proof one needs.

I think I speak for most of us here... I would love for one of these other companies to come out with a tune that compares to APR's. It would only help all of us get faster when they can legitimately compete for our business. Until then, as Carl says, the facts are facts.

[saxon]

There's a reason the 1/4 mile sticky is dominated by APR RS7s, that's all the proof one needs.

I think I speak for most of us here... I would love for one of these other companies to come out with a tune that compares to APR's. It would only help all of us get faster when they can legitimately compete for our business. Until then, as Carl says, the facts are facts.

pretty sure eurodynamics rs7 has beat apr's car in roll racing events, i see no reason that they dont have a chance to beat the 1/4 record this fall with their newest performance rs7

[3rdBNCC]

pretty sure eurodynamics rs7 has beat apr's car in roll racing events, i see no reason that they dont have a chance to beat the 1/4 record this fall with their newest performance rs7

Not trying to be rude but until they do it and show a time slip, it's all just speculation. Even you told me their best 1/4 mile time was 10.4 or something like that. Nothing earth shattering but better than Uni.

[sciblades]

This is not a subjective discussion, facts are facts, feelings shouldn't get hurt over quantifiable facts, rather, it should motivate others to change their side so the facts show a different result. Fact 1- Unitronic is good company with many good products, Fact 2- APR is a good company with many good products Fact 3- APR's software for the RS7 is more expensive than Unitronic Fact 4- For the RS7, APR's software is substantially faster than Unitronic. These 4 facts are not up for discussion because they are..well, facts. When equipped with facts people can make educated decisions, how you decide is completely up to you and I as most others on here should care less what you end up doing, it's your car. But let's not confuse objective for subjective any more when this question comes up again and again and again...

I think this is unfair to say that Apr is significantly faster than unitronic.

Unitronic doesn't offer a 104 file to the public so comparing a 93 Oct file to a 10.4 is not fair.

Also don't forget Apr numbers are not consistent you have some cars run well and others are not even close.

Why is this simply put Apr has a larger sample size so some run well take waterfest as an example Kevin's car ran great but the other 5 Apr cars that ran did not run well.

A Apr stg 1 car was doing 11.6 a Apr stg2 s8 was 11.7 where as the red unitronic stg 1 car running the Apr stg 1 car was in the 10s

I can go down the list of cars that put out one good number and never run well again. EFI who held the record for 3 years put over 50k plus in mods and never hit his 10.3 ever again.



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[Ze_Nardo6]

I think this is unfair to say that Apr is significantly faster than unitronic.

Unitronic doesn't offer a 104 file to the public so comparing a 93 Oct file to a 10.4 is not fair.

Also don't forget Apr numbers are not consistent you have some cars run well and others are not even close.

Why is this simply put Apr has a larger sample size so some run well take waterfest as an example Kevin's car ran great but the other 5 Apr cars that ran did not run well.

A Apr stg 1 car was doing 11.6 a Apr stg2 s8 was 11.7 where as the red unitronic stg 1 car running the Apr stg 1 car was in the 10s

I can go down the list of cars that put out one good number and never run well again. EFI who held the record for 3 years put over 50k plus in mods and never hit his 10.3 ever again.

That's interesting because every guy on this forum running APR stage 2 with a 104 file, that actually go the track, are laying down consistent 10.3s...over and over again. I'm not saying there aren't others out that may be running slower but the consistency is pretty damn strong around here. Haven't seen much from Uni

Where are your times?

[sciblades]

That's interesting because every guy on this forum running APR stage 2 with a 104 file are laying down consistent 10.3s...over and over again. I'm not saying there aren't others out that may be running slower but the consistency is pretty damn strong around here. Haven't seen much from Uni

There are 3 maybe 4 guys that have run 10.3 and many who have not let us not forget the amax cars, I'm not making excuses I'm just saying no one other than my self is running a uni 104 file.

Also show me one facelift car that has run a 10.3?

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[sciblades]

I guess my challenge to you would be and I am willing to do it because I believe in the unitronic product.

Do you really think if I swap to a Apr stg 2 file I will run a 10.3? I do not but wouldn't mind making a thread and an event about it.

Also accept some cash bets on the outcome (4k on a tune is a lot to spend)

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[Ze_Nardo6]

Also show me one facelift car that has run a 10.3?

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Where are your times? Didn't see them in the database

[Serpent]

Also show me one facelift car that has run a 10.3?

I ran a 10.3 in like 80 degree weather couple of weeks ago.

[Ze_Nardo6]

I guess my challenge to you would be and I am willing to do it because I believe in the unitronic product.

Do you really think if I swap to a Apr stg 2 file I will run a 10.3? I do not but wouldn't mind making a thread and an event about it.

Also accept some cash bets on the outcome (4k on a tune is a lot to spend)

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Seems to be working for lots of folks around here. 10.3s are hardly rare for folks running that setup

No one is going to pay you if you purchase APR software and don't run 10.3s LOL seems to be working for most others here

Track times?

[sciblades]

I ran a 10.3 in like 80 degree weather couple of weeks ago.

What is your box code?
Also what version of Apr 1.0, 1.1, or 1.2?

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[Serpent]

What is your box code?
Also what version of Apr 1.0, 1.1, or 1.2?

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I dont know. Where do I find my box code?

I can see which version of apr i'm running when I go back to the car.

[sciblades]

I dont know. Where do I find my box code?

I can see which version of apr i'm running when I go back to the car.

https://www.goapr.com/support/boxcode.php

That will show you

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[Ze_Nardo6]

Guess I'll ask a 4th time, what are your track times?

[3rdBNCC]

I think this is unfair to say that Apr is significantly faster than unitronic.

Unitronic doesn't offer a 104 file to the public so comparing a 93 Oct file to a 10.4 is not fair.

Also don't forget Apr numbers are not consistent you have some cars run well and others are not even close.

Why is this simply put Apr has a larger sample size so some run well take waterfest as an example Kevin's car ran great but the other 5 Apr cars that ran did not run well.

A Apr stg 1 car was doing 11.6 a Apr stg2 s8 was 11.7 where as the red unitronic stg 1 car running the Apr stg 1 car was in the 10s

I can go down the list of cars that put out one good number and never run well again. EFI who held the record for 3 years put over 50k plus in mods and never hit his 10.3 ever again.



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You have basically added further justification for not purchasing the Unitronic tune by reminding everyone they do not have a race fuel file. It is totally fair to compare the two companies because they are both selling software to enhance the performance of our cars. Plain and simple, show me one Unitronic RS7 time slip that compares to APRs numbers. If they existed then I am sure they would be propped up for everyone to see.

And contrary to your point, I can go down a list of cars that put down good numbers and have repeated them. You singled out Kevin and his APR Stage 2 RS7 has consistently hit 10.3x no less than 4 times. My car traps consistently at 135.x, the fastest trap for stock turbo RS7s.

To me it really doesn't matter how you or anyone else tries to spin it, reality is the time slips don't lie and Uni cannot hide from the fact that they are slower than APR.

[Serpent]

https://www.goapr.com/support/boxcode.php

That will show you

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lol, i'm not doing all that.

[3rdBNCC]

lol, i'm not doing all that.

Just go to the file selection screen on your APR app and it will tell you your version next to each file. Probably 1.1 or 1.2

[sciblades]

lol, i'm not doing all that.

It is literally two buttons, do you not have a vag com?

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[cobrario]

lol, i'm not doing all that.

Only one version on stage 2 v1.0
My Stage 1 is v1.1