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Performance Uprades for 2019, 6.2L Silverado

Joe Farr
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Joe Farr New Member

Joe Farr

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I purchased a new 2019 Chevrolet Silverado 1500 4x4 6.2L High Country. I am exploring all options to get more horsepower. Other than the obvious cold air intake and cat back exhaust, what is available? Any recommendations? Does anyone have any experience with throttle body plates, replacing speed limiter, throttle adjusters, etc. Please provide source link for recommendations?

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Mountain boy Enthusiast

Mountain boy

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Your beating a dead horse, nothing is available until they crack the code and the trucks can be tuned. Be patient like the rest of us. 

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Joe Farr New Member

Joe Farr

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I talked to a Chevrolet Technician yesterday. Apparently, when you purchase the Chevrolet Air Intake Kit, there is a Chevrolet performance tune that only the dealerships have. Is this true? 

 

What about "Throttle Control Module's. 

 

I'm thinking the Chevrolet Air Intake Upgrade with a Borla Cat Back Exhaust and the Throttle Control Module should add 30+ HP and improve the lagging throttle response.

 

Looking for insight?

 

 

 

OnTheReel Senior Enthusiast

OnTheReel

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You may be expecting a little too much there at 30hp. GM rates their own exhaust and intake to add 15. Pedal commander is good for 0hp.

BringTheRain403 Senior Enthusiast

BringTheRain403

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I purchased a new 2019 Chevrolet Silverado 1500 4x4 6.2L High Country. I am exploring all options to get more horsepower. Other than the obvious cold air intake and cat back exhaust, what is available? Any recommendations? Does anyone have any experience with throttle body plates, replacing speed limiter, throttle adjusters, etc. Please provide source link for recommendations?

 

There's only exhaust, intake, and oil catch cans. The throttle adjusters do noting to improve HP. All they do is trick the computer into thinking you pressed the pedal xx% more than you actually did.

 

Stainless works just released their exhaust and headers.

 

Several companies have cat back systems available.

 

Several companies have CAI's available but the GMPP one is there only one with a tune. This tune only changes the MAF mapping. From what I've been able to gather there's VERY little performance gains with that. I saw one person say they dynoed it and got 0hp and 1ft/lb of torque.

 

The exhaust is where people seem to get their performance gains right now since there's no tunes. The GMPP "performance package" with both the intake and exhaust add a total of 15hp and 9ft/lb over stock. I'm sure stainless works with the headers may get more gains but I haven't seen Dyno numbers on those yet. I wouldn't expect much more than the numbers from the performance package with just bolt ons...

 

Sent from my Pixel 2 XL using Tapatalk

 

 

 

BringTheRain403 Senior Enthusiast

BringTheRain403

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Also, FYI the GMPP cat back is made by Borla. Don't expect much more than GM is claiming with theirs. Just better sound of you go with the ATAK system...

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Joe Farr New Member

Joe Farr

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Can anyone confirm if it is true that when you purchase a Chevrolet Air Intake kit for the 2019 Silverado 62.L, that part of the dealer install includes a upgraded tune? 

  • 2 months later...
shedrick2019 New Member

shedrick2019

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On 8/25/2019 at 1:24 PM, Joe Farr said:

I purchased a new 2019 Chevrolet Silverado 1500 4x4 6.2L High Country. I am exploring all options to get more horsepower. Other than the obvious cold air intake and cat back exhaust, what is available? Any recommendations? Does anyone have any experience with throttle body plates, replacing speed limiter, throttle adjusters, etc. Please provide source link for recommendations?

I work at a gmc dealership. it is a maf calibration.

 

Taz56 Enthusiast

Taz56

Posted
Posted
On 8/28/2019 at 4:15 PM, Joe Farr said:

Can anyone confirm if it is true that when you purchase a Chevrolet Air Intake kit for the 2019 Silverado 62.L, that part of the dealer install includes a upgraded tune? 

I had the dealer put in the cold air return and cat back exhaust. They told me they had to adjust the computer (and charged me for that time). But did not tell me what they did or what effect it has.

Taz56 Enthusiast

Taz56

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28 minutes ago, lapoolboy said:

Yet you paid for it anyway?

If it needs ot be done it needs to be done. It was 85.00 and not optional. Do it or not get the parts.  

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