APR DTR6054 Direct Turbocharger Replacement System

[CarbonDub]

I think that's the root of the confusion. APR has said that have an IS38 tune with the stock downpipe, so I assumed that's what's on their website since it's the only IS38 tune shown. But based on his latest reply, "exhaust system" almost surely means aftermarket dp as other folks initially suggested and the stock dp tune isn't listed.

Yeah I only found info on the IS38 stock DP tune on the APR EU site.

 

[ucfquattroguy]

Since IS38 would be where I'd go if my IS20 popped... My question would be if the OE Downpipe IS38 GTI files were part of the large updates rolled out sometime in 2019. On Stage 1, it was a significant improvement in drivability and torque delivery.

 

[Arin@APR]

They did not get updated during that round.

 

[Triple B]

Any update on the CARB approval for the DTR turbo upgrade?

 

[Boloc]

Any update on the CARB approval for the DTR turbo upgrade?

+1

I know it’s only been a few months since introduction, but definitely interested.

 

[riceburner]

update for my emissions stuff.

apr did send me some obd dongles but hasn't directed me to do anything with them yet lol.

they had me re-reset my emissions readiness monitors which i did.

for now, it seems my car is reading ready on the catalytic converter. its odd to me that i got it to set before but it fell out of readiness somehow. but for now its good.

maybe the dongles are for if /when APR figures out the fueling thing.

 

[ucfquattroguy]

They did not get updated during that round.

If someone were to let you guys borrow a car, would it be a possibility? I'm sure there are others that really appreciated the v1->v2 updates when released.

 

[CarbonDub]

So I am experiencing occasional power loss at WOT in DSG sport-auto mode. I’m reading others have experienced this in the past, but the cause still seemed to be speculative - some said APR’s DSG tune, others the torque limiter, fuel cut, or even the ECU tune itself.

I can’t pinpoint the exact conditions to replicate the issue consistently, but it seems to happen intermittently at high speed (+115mph) WOT in 4th gear. Car is pulling, then hits a “wall” and stops accelerating, not an aggressive jolt, but a cut of power - feels like an electronic governor of some kind. ESC is off, no EPC light.

Anyone else with the DTR tune experiencing this so far?

 

[Daks]

So I am experiencing occasional power loss at WOT in DSG sport-auto mode. I’m reading others have experienced this in the past, but the cause still seemed to be speculative - some said APR’s DSG tune, others the torque limiter, fuel cut, or even the ECU tune itself.

I can’t pinpoint the exact conditions to replicate the issue consistently, but it seems to happen intermittently at high speed (+115mph) WOT in 4th gear. Car is pulling, then hits a “wall” and stops accelerating, not an aggressive jolt, but a cut of power - feels like an electronic governor of some kind. ESC is off, no EPC light.

Anyone else with the DTR tune experiencing this so far?

Can you log it somehow?

 

[Diggs24]

You could with a dongle and SimosTools. Perhaps someone will some day?

 

[scrllock]

So I am experiencing occasional power loss at WOT in DSG sport-auto mode. I’m reading others have experienced this in the past, but the cause still seemed to be speculative - some said APR’s DSG tune, others the torque limiter, fuel cut, or even the ECU tune itself.

I can’t pinpoint the exact conditions to replicate the issue consistently, but it seems to happen intermittently at high speed (+115mph) WOT in 4th gear. Car is pulling, then hits a “wall” and stops accelerating, not an aggressive jolt, but a cut of power - feels like an electronic governor of some kind. ESC is off, no EPC light.

Anyone else with the DTR tune experiencing this so far?

Have you scanned for codes? You won't always get an EPC for a fuel cut, for example, but it should set a DTC.

 

[CarbonDub]

Can you log it somehow?

Does Dragy count? I think this was one of the instances, acceleration in 4th just bogged.

Power loss, dip in speed:

Typical speed curve at shift:

 

[Daks]

Does Dragy count?

No

 

[CarbonDub]

Have you scanned for codes? You won't always get an EPC for a fuel cut, for example, but it should set a DTC.

I’ll check OBDeleven, I haven’t cleared anything yet.

 

[CarbonDub]

No

Then no, I don’t have any logs. OBDeleven isn’t picking anything up.