Anyone have dyno results of a 2021+ Supra stock, and then with a catless downpipe only

[WhiteNissan300zx]

Looking to see HP and torque differences. I’m not expecting much I just want to see the powerband difference, and make sure there is no drop off in torque. Thanks

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[Mason]

Is this tuned?

 

[FuzzyRev]

I dyno'd my stock 2021 with and without the catless DP, no tune or supporting mods. I gained 39 ft lbs of torque and 17 whp. Substantial increase in torque through the whole powerband, and the turbo spools noticeably quicker. The DP replacement is a must on these cars.

 

[WhiteNissan300zx]

I dyno'd my stock 2021 with and without the catless DP, no tune or supporting mods. I gained 39 ft lbs of torque and 17 whp. Substantial increase in torque through the whole powerband, and the turbo spools noticeably quicker. The DP replacement is a must on these cars.

Perfect thanks for the info. I heard people saying the powerband became “weird” after downpipe but I just didn’t think it was true. Did you have any issues with daily driving afterwards? How many miles did you run catless downpipe?

 

[FuzzyRev]

Perfect thanks for the info. I heard people saying the powerband became “weird” after downpipe but I just didn’t think it was true. Did you have any issues with daily driving afterwards? How many miles did you run catless downpipe?

Weird how?

No issues, I put 7500 miles on the 2021 with it, and now it's been on my 2023 MT for 2500 miles.

 

[Extreme Power House]

I dyno'd my stock 2021 with and without the catless DP, no tune or supporting mods. I gained 39 ft lbs of torque and 17 whp. Substantial increase in torque through the whole powerband, and the turbo spools noticeably quicker. The DP replacement is a must on these cars.

Indeed, those are some impressive gains!

 

[WhiteNissan300zx]

Weird how?

No issues, I put 7500 miles on the 2021 with it, and now it's been on my 2023 MT for 2500 miles.

Do you just run the car with a check engine light?

 

[calmeda1]

Do you just run the car with a check engine light?

Been running with CEL for 5000 miles, no issues

 

[GoldenEye]

My OCD would not allow that…

Been running with CEL for 5000 miles, no issues

 

[FuzzyRev]

My OCD would not allow that…

Which is why I caved and bought an Armytrix yesterday

 

[calmeda1]

Which is why I caved and bought an Armytrix yesterday

There's a cheaper solution:

 

[WhiteNissan300zx]

Which is why I caved and bought an Armytrix yesterday

I was looking into the armytrix. Let me know how it goes. Have you done lots of research on it, I’ve heard it’s not full proof. How much did yours cost? I keep seeing them sold out online

 

[tub54500]

I was looking into the armytrix. Let me know how it goes. Have you done lots of research on it, I’ve heard it’s not full proof. How much did yours cost? I keep seeing them sold out online

i just bought my armytrix downpipe from a90shop. it was around 600 something. got it eariler this week. gonna install it tomorrow

 

[FuzzyRev]

I was looking into the armytrix. Let me know how it goes. Have you done lots of research on it, I’ve heard it’s not full proof. How much did yours cost? I keep seeing them sold out online

I scored a used one from another forum member, and it was $515. I've been doing research on eliminating my CEL for a long time, and the Armytrix is by far the most effective thing I've seen. There's never a guarantee it will eliminate the CEL, but I haven't yet heard anyone say it came back on. I was dreaming of getting the $900+ Ceramic coated one as well, but I think I'll just coat this raw one myself before installation.

My used Titan will be going up for sale in the near future...

 

[tub54500]

I scored a used one from another forum member, and it was $515. I've been doing research on eliminating my CEL for a long time, and the Armytrix is by far the most effective thing I've seen. There's never a guarantee it will eliminate the CEL, but I haven't yet heard anyone say it came back on. I was dreaming of getting the $900+ Ceramic coated one as well, but I think I'll just coat this raw one myself before installation.

My used Titan will be going up for sale in the near future...

Is the downpipe install easy to do? Did you have to remove the air intake box?

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