Custom Tunes – SSi Performance Tuning https://southernspeedinc.com The Performance Tuning Professionals Thu, 18 Jun 2026 13:54:39 +0000 en-US hourly 1 https://wordpress.org/?v=4.9.8 https://southernspeedinc.com/wp-content/uploads/2016/11/10629780_858721580911862_2675555512391220120_n-100x100.jpg Custom Tunes – SSi Performance Tuning https://southernspeedinc.com 32 32 2 or 3 Custom Tunes for 392 Jeep with 3 Custom Tunes with our SSi Performance Transmission Tuning Package https://southernspeedinc.com/product/2-or-3-custom-tunes-for-392-jeep-with-3-custom-tunes-with-our-ssi-performance-transmission-tuning-package/ Tue, 07 Oct 2025 16:36:24 +0000 https://southernspeedinc.com/?post_type=product&p=21348

 

-Designed in regards to the desired power  and performance as unique as your own driving preferences-

There is no substitute for EXPERIENCE. When it comes to automotive tuning you do not want to trust your vehicle, your investment, to just anyone. Our many years of proven dyno tuning, street tuning, and track experience is your here for your benefit. There are no substitutes for the knowledge, testing, and situational experiences that comes from almost 20 years in hi performance fuel injection performance.  We have tuned everywhere in the US and worldwide. Our custom tuning supplies you with the best maximized safe programming for your vehicle whether it may be naturally aspirated or forced induction. All of our custom tunes address off throttle, part throttle, wide open throttle, and power under the whole curve. This is complete comprehensive professional tuning. As you all know most tuners address only an aspect or two but this is a reason why all of our customers are extremely satisfied with Southern Speed Inc tunes because it is a complete professional tune. Nothing overlooked or half way done here. We deliver excellence as that is the only way we know.

The post 2 or 3 Custom Tunes for 392 Jeep with 3 Custom Tunes with our SSi Performance Transmission Tuning Package appeared first on SSi Performance Tuning.

]]>

SSi Performance Tunes comes with the Industry Best Drivability, No Lag Power, and better MPGs.   3 Custom Tunes. 

3 Custom Tunes from SSi are designed for your unique driving style no matter what your application may be.  Our custom tunes specifically address all tuning items in regards to on demand performance, transmission preferences for automatic transmissions, and more importantly what the application it is being used for. Basically we customize any tuning needed from mild to wild, street or strip, work or pleasure.  We do a complete tune right off idle, part throttle, right on through wide open pedal with precision. When it comes to the power, performance, and drivability of your vehicle we deliver exactly what you are looking for. No flat spots, deads spots, or hesitations thru ought the entire power band. There is no need to look any further than us when it comes to tuning. We are The Tuning Professionals.

When you experience a Custom Tunes from us and you will see why we are head and shoulders above any other custom tunes you could purchase.

Once your device  has arrived please submit the CUSTOM TUNE REQUEST FORM here

    https://southernspeedinc.com/custom-tune-form/

You can choose tunes for a variety of different applications for the best performance –

-Street or Strip

-Towing

–Octane Specific Performance ( 87, 89, 91, 93, 100+ )

-Nitrous / Suprcharged / Turbo / Naturally Aspirated

The post 2 or 3 Custom Tunes for 392 Jeep with 3 Custom Tunes with our SSi Performance Transmission Tuning Package appeared first on SSi Performance Tuning.

]]> 1 Custom Diesel Tunes $275.00 https://southernspeedinc.com/product/1-custom-diesel-tunes-275-00/ Wed, 07 Dec 2022 19:31:10 +0000 https://southernspeedinc.com/?post_type=product&p=17896 -Designed in regards to the desired power  and performance as unique as your own driving preferences-

There is no substitute for EXPERIENCE. When it comes to automotive tuning you do not want to trust your vehicle, your investment, to just anyone. Our many years of proven dyno tuning, street tuning, and track experience is your here for your benefit. There are no substitutes for the knowledge, testing, and situational experiences that comes from almost 20 years in hi performance fuel injection performance.  We have tuned everywhere in the US and worldwide. Our custom tuning supplies you with the best maximized safe programming for your vehicle whether it may be naturally aspirated or forced induction. All of our custom tunes address off throttle, part throttle, wide open throttle, and power under the whole curve. This is complete comprehensive professional tuning. As you all know most tuners address only an aspect or two but this is a reason why all of our customers are extremely satisfied with Southern Speed Inc tunes because it is a complete professional tune. Nothing overlooked or half way done here. We deliver excellence as that is the only way we know.

The post 1 Custom Diesel Tunes $275.00 appeared first on SSi Performance Tuning.

]]>

SSi Performance Tunes comes with the Industry Best Drivability, No Lag Power, and better MPGs.  1 Custom Tune. 

 Custom Tunes from SSi are designed for your unique driving style no matter what your application may be.  Our custom tunes specifically address all tuning items in regards to on demand performance, transmission preferences for automatic transmissions, and more importantly what the application it is being used for. Basically we customize any tuning needed from mild to wild, street or strip, work or pleasure.  We do a complete tune right off idle, part throttle, right on through wide open pedal with precision. When it comes to the power, performance, and drivability of your vehicle we deliver exactly what you are looking for. No flat spots, deads spots, or hesitations thru ought the entire power band. There is no need to look any further than us when it comes to tuning. We are The Tuning Professionals.

When you experience a Custom Tunes from us and you will see why we are head and shoulders above any other custom tunes you could purchase.

Once your device  has arrived please submit the CUSTOM TUNE REQUEST FORM here

You can choose tunes for a variety of different applications for the best performance –

-Street or Strip

-Towing

–Octane Specific Performance ( 87, 89, 91, 93, 100+ )

-Nitrous / Suprcharged / Turbo / Naturally Aspirated

The post 1 Custom Diesel Tunes $275.00 appeared first on SSi Performance Tuning.

]]> 3 Custom Diesel Tunes https://southernspeedinc.com/product/3-custom-diesel-tunes-579/ Thu, 12 May 2022 21:02:19 +0000 https://southernspeedinc.com/?post_type=product&p=16894 -Designed in regards to the desired power  and performance as unique as your own driving preferences-

There is no substitute for EXPERIENCE. When it comes to automotive tuning you do not want to trust your vehicle, your investment, to just anyone. Our many years of proven dyno tuning, street tuning, and track experience is your here for your benefit. There are no substitutes for the knowledge, testing, and situational experiences that comes from almost 20 years in hi performance fuel injection performance.  We have tuned everywhere in the US and worldwide. Our custom tuning supplies you with the best maximized safe programming for your vehicle whether it may be naturally aspirated or forced induction. All of our custom tunes address off throttle, part throttle, wide open throttle, and power under the whole curve. This is complete comprehensive professional tuning. As you all know most tuners address only an aspect or two but this is a reason why all of our customers are extremely satisfied with Southern Speed Inc tunes because it is a complete professional tune. Nothing overlooked or half way done here. We deliver excellence as that is the only way we know.

The post 3 Custom Diesel Tunes appeared first on SSi Performance Tuning.

]]>

SSi Performance Tunes comes with the Industry Best Drivability, No Lag Power, and better MPGs.   3 Custom Tunes. 

3 Custom Tunes from SSi are designed for your unique driving style no matter what your application may be.  Our custom tunes specifically address all tuning items in regards to on demand performance, transmission preferences for automatic transmissions, and more importantly what the application it is being used for. Basically we customize any tuning needed from mild to wild, street or strip, work or pleasure.  We do a complete tune right off idle, part throttle, right on through wide open pedal with precision. When it comes to the power, performance, and drivability of your vehicle we deliver exactly what you are looking for. No flat spots, deads spots, or hesitations thru ought the entire power band. There is no need to look any further than us when it comes to tuning. We are The Tuning Professionals.

When you experience a Custom Tunes from us and you will see why we are head and shoulders above any other custom tunes you could purchase.

Once your device  has arrived please submit the CUSTOM TUNE REQUEST FORM here

You can choose tunes for a variety of different applications for the best performance –

-Street or Strip

-Towing

–Octane Specific Performance ( 87, 89, 91, 93, 100+ )

-Nitrous / Suprcharged / Turbo / Naturally Aspirated

The post 3 Custom Diesel Tunes appeared first on SSi Performance Tuning.

]]> SSi3 or SSi4 Performance Upgrade $100.00 https://southernspeedinc.com/product/ssi3-or-ssi4-performance-upgrade-100-00/ Fri, 29 Aug 2014 15:31:21 +0000 http://southernspeedinc.com/product/ssi4-custom-upgrade/ This is a charge for an existing customer who would like to upgrade to a SSi4 custom tune. Maximum Safe Power!

-Designed in regards to the desired power  and performance as unique as your own driving preferences-

There is no substitute for EXPERINCE. When it comes to automotive tuning you do not want to trust your vehicle, your investment, to just anyone. Our many years of proven dyno tuning, street tuning, and track experience is your here for your benefit. There are no substitutes for the knowledge, testing, and situational experiences that comes from almost 20 years in hi performance fuel injection performance.  We have tuned everywhere in the US and worldwide. Our custom tuning supplies you with the best maximized safe programming for your vehicle whether it may be naturally aspirated or forced induction. All of our custom tunes address off throttle, part throttle, wide open throttle, and power under the whole curve. This is complete comprehensive professional tuning. As you all know most tuners address only an aspect or two but this is a reason why all of our customers are extremely satisfied with Southern Speed Inc tunes because it is a complete professional tune. Nothing overlooked or half way done here. We deliver excellence as that is the only way we know.

The post SSi3 or SSi4 Performance Upgrade $100.00 appeared first on SSi Performance Tuning.

]]> This is for an existing customer who would like to upgrade their SSi 1 or SSi2 custom tune to our SSi3 or SSi4 with the TrumpX tuning.

This is the smoothest, fastest, most powerful, and fuel efficient tune you can buy.  

This also requires a data log of a previous SSi1 or SSi2 tune you are currently running. Our first priority is the health and longevity of your vehicle. Data logging is not absolutely necessary in our basic tunes 95% of the time however fo our higher performance or race tunes it is an absolute requirement because we do things safely, accurately, and responsibly.

 

 

 

The post SSi3 or SSi4 Performance Upgrade $100.00 appeared first on SSi Performance Tuning.

]]> SSi Custom Tuning Upgrade https://southernspeedinc.com/product/custom-tune-upgrades/ Fri, 18 Jul 2014 22:40:34 +0000 http://southernspeedinc.com/product/custom-tune-upgrades/ This is a charge for an existing customer who would like to upgrade custom tunes or requires a new set of custom tunes due to a dealer reflash strategy change.

-Designed in regards to the desired power  and performance as unique as your own driving preferences-

There is no substitute for EXPERINCE. When it comes to automotive tuning you do not want to trust your vehicle, your investment, to just anyone. Our many years of proven dyno tuning, street tuning, and track experience is your here for your benefit. There are no substitutes for the knowledge, testing, and situational experiences that comes from almost 20 years in hi performance fuel injection performance.  We have tuned everywhere in the US and worldwide. Our custom tuning supplies you with the best maximized safe programming for your vehicle whether it may be naturally aspirated or forced induction. All of our custom tunes address off throttle, part throttle, wide open throttle, and power under the whole curve. This is complete comprehensive professional tuning. As you all know most tuners address only an aspect or two but this is a reason why all of our customers are extremely satisfied with Southern Speed Inc tunes because it is a complete professional tune. Nothing overlooked or half way done here. We deliver excellence as that is the only way we know.

The post SSi Custom Tuning Upgrade appeared first on SSi Performance Tuning.

]]> The tunes out now are designated OG1 and OG2. If you need to upgrade any older existing SSi tunes to the latest version of SSi tunes or have had the dealer re flash your strategy this is what you need to purchase. This includes 3 new tunes for existing customers. 

This comes with industry our best drivability, power, and mpgs. Our customs tunes are designed to your own unique driving style in regards to on demand performance and transmission preferences for automatic transmissions. Anything from mild to wild we get it done!  These Custom Tunes are head and shoulders above any canned tune or any other custom tunes you can purchase. Guaranteed.

Designed in regards to the desired power  and performance as unique as your own driving preferences-

You can purchase a single to multiple custom tunes. Whether you are Stock or Aftermarket, Supercharged, Turbo, Nitrous, Naturally Aspirated, work or play, and from mild to wild. All of our custom tunes address off throttle, part throttle, wide open throttle, and power under the whole curve.

Once your order is placed please submit the custom tune form here     https://southernspeedinc.com/custom-tune-form/.

You can choose tunes for a variety of different applications for the best performance –

-Street or Strip

-Towing

–Octane Specific Performance ( 87, 89, 91, 93, 100+ )

-Nitrous / Suprcharged / Turbo / Naturally Aspirated

The post SSi Custom Tuning Upgrade appeared first on SSi Performance Tuning.

]]> SSi Custom Tunes. Available in 1, 2, or 3 tune packages https://southernspeedinc.com/product/ssi-custom-tunes-available-in-1-2-or-3-tune-packages/ https://southernspeedinc.com/product/ssi-custom-tunes-available-in-1-2-or-3-tune-packages/#respond Fri, 20 Jun 2014 16:29:03 +0000 http://southernspeedinc.com/?post_type=product&p=2010 Custom tunes

The post SSi Custom Tunes. Available in 1, 2, or 3 tune packages appeared first on SSi Performance Tuning.

]]> These SSi Performance Tunes comes with industry our best drivability, power, and mpgs. Our customs tunes are designed to your own unique driving style in regards to on demand performance and transmission preferences for automatic transmissions. Anything from mild to wild we get it done!  We do a complete tune right off idle, part throttle, right on through wide open pedal with precision.  These Custom Tunes are head and shoulders above any canned tune or any other custom tunes you can purchase.

-Designed in regards to the desired power  and performance as unique as your own driving preferences-

You can purchase a single to multiple custom tunes. Whether you are Stock or Aftermarket, Supercharged, Turbo, Nitrous, Naturally Aspirated, work or play, and from mild to wild. All of our custom tunes address off throttle, part throttle, wide open throttle, and power under the whole curve.

Once your order is placed please submit the custom tune form    

You can choose tunes for a variety of different applications for the best performance –

-Street or Strip

-Towing

–Octane Specific Performance ( 87, 89, 91, 93, 100+ )

-Nitrous / Suprcharged / Turbo

 

The post SSi Custom Tunes. Available in 1, 2, or 3 tune packages appeared first on SSi Performance Tuning.

]]> https://southernspeedinc.com/product/ssi-custom-tunes-available-in-1-2-or-3-tune-packages/feed/ 0 3 Custom Tunes $325.00 https://southernspeedinc.com/product/3-custom-tunes-199-00/ Fri, 20 Jun 2014 14:46:45 +0000 http://southernspeedinc.com/product/3-custom-tunes/ Buy

-Designed in regards to the desired power  and performance as unique as your own driving preferences-

There is no substitute for EXPERIENCE. When it comes to automotive tuning you do not want to trust your vehicle, your investment, to just anyone. Our many years of proven dyno tuning, street tuning, and track experience is your here for your benefit. There are no substitutes for the knowledge, testing, and situational experiences that comes from almost 20 years in hi performance fuel injection performance.  We have tuned everywhere in the US and worldwide. Our custom tuning supplies you with the best maximized safe programming for your vehicle whether it may be naturally aspirated or forced induction. All of our custom tunes address off throttle, part throttle, wide open throttle, and power under the whole curve. This is complete comprehensive professional tuning. As you all know most tuners address only an aspect or two but this is a reason why all of our customers are extremely satisfied with Southern Speed Inc tunes because it is a complete professional tune. Nothing overlooked or half way done here. We deliver excellence as that is the only way we know.

The post 3 Custom Tunes $325.00 appeared first on SSi Performance Tuning.

]]>

SSi Performance Tunes comes with the Industry Best Drivability, No Lag Power, and better MPGs.   3 Custom Tunes. 

3 Custom Tunes from SSi are designed for your unique driving style no matter what your application may be.  Our custom tunes specifically address all tuning items in regards to on demand performance, transmission preferences for automatic transmissions, and more importantly what the application it is being used for. Basically we customize any tuning needed from mild to wild, street or strip, work or pleasure.  We do a complete tune right off idle, part throttle, right on through wide open pedal with precision. When it comes to the power, performance, and drivability of your vehicle we deliver exactly what you are looking for. No flat spots, deads spots, or hesitations thru ought the entire power band. There is no need to look any further than us when it comes to tuning. We are The Tuning Professionals.

When you experience a Custom Tunes from us and you will see why we are head and shoulders above any other custom tunes you could purchase.

Once your device  has arrived please submit the CUSTOM TUNE REQUEST FORM here

    https://southernspeedinc.com/custom-tune-form/

You can choose tunes for a variety of different applications for the best performance –

-Street or Strip

-Towing

–Octane Specific Performance ( 87, 89, 91, 93, 100+ )

-Nitrous / Suprcharged / Turbo / Naturally Aspirated

The post 3 Custom Tunes $325.00 appeared first on SSi Performance Tuning.

]]>