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Custom tunes offer much more driveability and performance than the standard preloaded tunes. Already have a SCT Livewire, SCT BDX or SCT X4 but want custom tuning? Add Gearhead Automotive custom tunes to your existing SCT.
Free revisions within 30 days of purchase.
Custom Tune Stock Nozzle Descriptions:
- Street Race Lite (SRL) Awesome daily driver file (no towing) with butt kicking response, low smoke, and outrageous power. The best shifting all-around street file on the market period! Typical gains of 1-3 MPG have also been reported with this file.
- Studded SRL (SRL+) The one up to SRL for studded trucks. Simply adds boost over SRL for 10-15 more HP and 50-60 more FT/LBS of torque. (+135HP)
- 8000 Lb. Tow (8K Tow) This tow file is rated for 8000 pounds of towing without being studded. Studded trucks can tow 13000 pounds with this file. (+40HP)
- Unlimited Tow Since this file maintains stock fuel parameters, it can tow whatever you want while giving better shift firmness than stock.
- Extreme SRL SRL+ have you craving more? This is the file for you! (+150HP)
- XX Tow - This tow file is set up for any after market injectors while trying to keep the EGT's (Exhaust Gas Temps) down.
- XX Reduced Fuel - With this file it adds more boost and fuel for a more powerful street tune while maintaining drivability.
- XX Full Fuel - This file will be similar to the XX Reduced Fuel until you put your foot to the floor. Then you need to be ready for what we call "FULL FUEL". Go fast and eat cornbread!
- Modifications to your truck
- Turbo on your truck
- Remote oil cooler yes or no
- Fuel System Modifications
*Tunes are emissions compliant
Custom tunes offer much more driveability and performance than the standard preloaded tunes. Already have a SCT Livewire, SCT BDX or SCT X4 but want custom tuning? Add Gearhead Automotive custom tunes to your existing SCT.Free revisions within 30 days of purchase.
Custom Tune Stock Nozzle Descriptions:
Street Race Lite (SRL) Awesome daily driver file (no towing) with butt kicking response, low smoke, and outrageous power. The best shifting all-around street file on the market period! Typical gains of 1-3 MPG have also been reported with this file.
Studded SRL (SRL+) The one up to SRL for studded trucks. Simply adds boost over SRL for 10-15 more HP and 50-60 more FT/LBS of torque. (+135HP)
8000 Lb. Tow (8K Tow) This tow file is rated for 8000 pounds of towing without being studded. Studded trucks can tow 13000 pounds with this file. (+40HP)
Unlimited Tow Since this file maintains stock fuel parameters, it can tow whatever you want while giving better shift firmness than stock.
Extreme SRL SRL+ have you craving more? This is the file for you! (+150HP)
Custom Tune Larger Nozzle Descriptions:
XX Tow - This tow file is set up for any after market injector[...]
Custom tunes offer much more driveability and performance than the standard preloaded tunes. Already have a SCT Livewire, SCT BDX or SCT X4 but want custom tuning? Add Gearhead Automotive custom tunes to your existing SCT.
Free revisions within 30 days of purchase.
Custom Tune Stock Nozzle Descriptions:
- Street Race Lite (SRL) Awesome daily driver file (no towing) with butt kicking response, low smoke, and outrageous power. The best shifting all-around street file on the market period! Typical gains of 1-3 MPG have also been reported with this file.
- Studded SRL (SRL+) The one up to SRL for studded trucks. Simply adds boost over SRL for 10-15 more HP and 50-60 more FT/LBS of torque. (+135HP)
- 8000 Lb. Tow (8K Tow) This tow file is rated for 8000 pounds of towing without being studded. Studded trucks can tow 13000 pounds with this file. (+40HP)
- Unlimited Tow Since this file maintains stock fuel parameters, it can tow whatever you want while giving better shift firmness than stock.
- Extreme SRL SRL+ have you craving more? This is the file for you! (+150HP)
- XX Tow - This tow file is set up for any after market injectors while trying to keep the EGT's (Exhaust Gas Temps) down.
- XX Reduced Fuel - With this file it adds more boost and fuel for a more powerful street tune while maintaining drivability.
- XX Full Fuel - This file will be similar to the XX Reduced Fuel until you put your foot to the floor. Then you need to be ready for what we call "FULL FUEL". Go fast and eat cornbread!
- Modifications to your truck
- Turbo on your truck
- Remote oil cooler yes or no
- Fuel System Modifications
*Tunes are emissions compliant
Currently Viewing Reviews with a rating of 5. Click here to reset.
5/5 Stars out of 11 Reviews
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Jared (Missouri) | March 29th, 2025
Love the SRL tune! I’ma first time buyer of gear head tunes. I’m truly impressed with the quality of the tuning. Shifts so much better than the old tunes I had on my tuner. Truck runs great! Getting ready to test out the 8k and unlimited towing tune. The SRL has so much power longer shifts for the boost to build. Was easy to purchase and install! Definitely recommend!
PW Conn (North Babylon) | October 6th, 2024
I�ve had my SCT X4 for about 6 years using the can tunes and very pleased with the tuner and tunes. Funny thing is I don�t realize I was required to update the tuner until I received the new custom tune and I had over 4800 updates before I could load my new tune!! The SRL+ tune is UNBELIEVABLE!!! The throttle response and spool up astonishing! Matter of fact I have yet used its full potential because it�s a little overwhelmingly. Entering our crazy busy highways now I only use half throttle and very little black smoke and the 03 6.0 turbo sounds like a JET ENGINE!! Buy it!! Customer Service and speed of delivery is over the top!
Greg Wolff (Akron, OH) | November 29th, 2021
Bought a 3 tune package. For my 6.0 Ford. I especially love the SRL. It�s awesome. Run don�t walk!
Kyle (Waukesha) | June 3rd, 2021
Was kicking around the idea of getting a tunes even though i dont have pillar guages. Well i bought Gearhead's 3 tune package and do NOT regret it at all. Bought for moving my family from the South to the North and my truck did WAY better through the mountains towing 9k lbs and running unlimited tow and had less fill ups along the way. If you drive like you have a brain, then a tunes on your truck like Gearhead's is fine bc of their awesome writer's! Thank you Gearhead!
Nick Winters (BRYANT) | March 7th, 2021
This tune from gearhead beats my idp and Warren by times 2.these guys know there tuning. My truck will get down with this tune.by far best tuner yet.gearhead earned my business from now on
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California Restricted
Fits: 6.7 Cummins 2010-2021 (2018-2021 Requires 40471 bypass cable) | 6.7 Powerstroke 2003-2019 | Duramax 2006-2010
California Restricted
Fits: Powerstroke 1999-2019
Fits: SCT X4
California Restricted
Fits: Powerstroke 1999-2019
Fits: Livewire TS/Vision, X4, GTX, & BDX Programmer