Just install catless dp but no hp gain

[Mrblack889]

Hey i just install catless dp on my supra, before use catless i can get 475 hp with stock dp use mhd stage 2 93 octane, after i install catless, i run same map i get the same 475 hp, anything wrong with my car ?

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[Cptnslo]

First off, How are you verifying that you’re making 475?

 

[peppersam740]

Hey i just install catless dp on my supra, before use catless i can get 475 hp with stock dp use mhd stage 2 93 octane, after i install catless, i run same map i get the same 475 hp, anything wrong with my car ?

I can't believe your getting 475

 

[Rocksandblues]

Whatever you are measuring hp is wrong is how

 

[Meep]

There is no way you are getting 475 with a stock downpipe, what kind of dyno are you using?

 

[Lendo]

I think he’s referring to the sport gauges.

 

[zrk]

If you're referring to the sport gauges.. Heaven help you. Why would anyone pay for dyno time if the car could just tell you?

The sport gauges are just a silly show for your passengers, a gimmick. They basically display a 0-100 value scaled to be at 100 when max torque calculation is reached. Everything is a calculated number.

Also... 475... with just a tune? that's -highly- suspect.

Anyway - the point of a downpipe isn't to bolt-on power, it's to all for your tuner to maximize the amount of power you can output. Adjusting WGDCs, fuel, and timing to provide the maximum amount of power. I'd expect <10 hp for a downpipe without a tune anyway. So even if that were reading correctly (which it's not) I wouldn't expect any real-world changes.

In the turbo world, everything is about increasing boost. If you don't increase boost, you're wasting time.

 

[Extreme Power House]

Whatever you are measuring hp is wrong is how

+1

the only way to measure HP accurately is by dyno

You will need to dyno the car before and after the downpipe install with everything else unchanged

 

[SD_MK]

the screen is too small to register your gains from your downpipe, my guess is you went from your original 475hp, to 475.068372745028572hp... that's a huge jump!

 

[Thraxbert]

Oh my goodness.

 

[Loco38SUP]

My sport gauges say 50hp max is my car broken? ?

-RJM

 

[zrk]

before use catless i can get 475 hp with stock dp use mhd stage 2 93

I glossed over this for some reason as well. You're using an OTS tune...?

And - unless you're trying to beat some horsepower record (you're not), HP doesn't matter at all. Your tracktimes do. Weather it's 1/4 mile or preferred road/autox/timeattack lap time. Chasing HP is silly.

 

[superd6199]

There’s should’ve been a big noticeable difference in how the cars drives and feel after the downpipe install. How could you not’ve notice?

 

[Zupra1776]

Yikes

 

[zrk]

There’s should’ve been a big noticeable difference in how the cars drives and feel after the downpipe install. How could you not’ve notice?

????

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