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Your Vehicle 2011 Porsche 911 997 GT3 RS Coupe H6 3.8L

Sprint Booster V3 Power Converter

Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes
AFE
Mfg Part #
77-16002 77-16002
ECS Part #
ES#3971117
Brand
AFE

SALE: 298.30 (5% OFF)
WAS: $314.00 on 08-03-2026

This product was last offered at the strikethrough price on
08-03-2026


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on orders $49 and up
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Product Details

Automobiles in the 21st century have replaced the more conventional throttle cable technology for an ECM (Electronic Control Module) that translates pedal travel into electronic signals in order to provide power to the wheels. The ETC system (Electronic Throttle Control), also known as drive-by-wire, has the unfortunate downside of delayed throttle response and subdued acceleration, creating problems in certain circumstances such as up-hill starts, quick gear changes, overtaking, etc. The Sprint Booster aims to overcome this throttle response delay for ETC-equipped vehicles, providing crisp on-tap acceleration at the driver's disposal.

Simple Plug-and-Play Installation:
For vehicles with electronic control (ETC) systems, or drive by wire, this device plugs into the OE connector located behind the accelerator pedal. It's a simple installation, requiring no cutting of any wires or interference of the automobile's electronics. It does not affect other systems such as electronic injection, ABS, etc.

Three Acceleration Modes:
The three main acceleration modes can be switched by pressing the main button. When the LED is off, the Sprint Booster is deactivated, and the car has factory settings. In Sport Mode, the LED is green, and throttle response is improved by up to 30%. With the red colored LED, the Sprint Booster is in Race Mode, and it improves response by up to 60%.

18 Acceleration Programs:
Each acceleration mode comes with nine programs. Select 1-9 in SPORT mode and 1-9 in RACE mode, with '1' being the least aggressive program and '9' the most aggressive. The acceleration programs can be changed using the two arrow buttons on the top of the device. By selecting the desired acceleration program in each mode, the driver can fine-tune each mode per their driving style (e.g. select SPORT 9 & RACE 5).

Works for Both Automatic and Manual Transmissions:
Sprint Booster modes and programs are transmission type specific for better function and performance. The driver can select the transmission type through a slide switch located on the right side of the device. The device will then automatically adjust the programs according the type of transmission selected. There are 36 programs in total (18 for manual transmissions and 18 for automatic transmissions).

Valet and Pedal Lock Modes:
Valet mode limits the acceleration of the vehicle by 55%, 65%, or 75% (comes in three selectable levels). It is activated and deactivated with a three-digit PIN. By limiting the acceleration, there will be a significant reduction in the vehicle's performance. The Pedal Lock mode provides extra protection against unauthorized vehicle use. The driver can deactivate the acceleration ability of the vehicle through a 3 digit PIN. The menu for Valet and Pedal Lock mode is accessed when the vehicle is stationary and the Sprint Booster is off, by pressing the two arrow buttons simultaneously.

Better Drivability:
In addition to increased throttle response for effortless downshifts and safer overtaking, there is also a noticeable improvement to the transmission’s shifts (on vehicle’s equipped with automatic transmissions).

This Part Fits the Following Vehicles

Make Model Submodel Engine Year Chasis Special Fitment Notes
Mercedes Benz S550 4Matic V8 5.5L 273.968 2007 221.186 Use vehicle selector to confirm fitment
Mercedes Benz S550 4Matic V8 5.5L 273.968 2008 221.186 Use vehicle selector to confirm fitment
Mercedes Benz S550 4Matic V8 5.5L 273.968 2009 221.186 Use vehicle selector to confirm fitment
Mercedes Benz S550 4Matic V8 5.5L 273.968 2010 221.186 Use vehicle selector to confirm fitment
Mercedes Benz S550 4Matic V8 5.5L 273.968 2011 221.186 Use vehicle selector to confirm fitment
Mercedes Benz S550 Base V8 5.5L 273.961 2007 221.171 Use vehicle selector to confirm fitment
Mercedes Benz S550 Base V8 5.5L 273.961 2008 221.171 Use vehicle selector to confirm fitment
Mercedes Benz S550 Base V8 5.5L 273.961 2009 221.171 Use vehicle selector to confirm fitment
Mercedes Benz S550 Base V8 5.5L 273.961 2010 221.171 Use vehicle selector to confirm fitment
Mercedes Benz S550 Base V8 5.5L 273.961 2011 221.171 Use vehicle selector to confirm fitment
Mercedes Benz S63 AMG Base V8 5.5L 157.980 2011 221.174 Use vehicle selector to confirm fitment
Mercedes Benz S63 AMG Base V8 5.5L 157.980 2012 221.174 Use vehicle selector to confirm fitment
Mercedes Benz S63 AMG Base V8 5.5L 157.980 2013 221.174 Use vehicle selector to confirm fitment
Mercedes Benz SL500 Base V8 5.0L 2003 230.475 Use vehicle selector to confirm fitment
Mercedes Benz SL500 Base V8 5.0L 2004 230.475 Use vehicle selector to confirm fitment
Mercedes Benz SL500 Base V8 5.0L 2005 230.475 Use vehicle selector to confirm fitment
Mercedes Benz SL500 Base V8 5.0L 113.961 2001 129.068 Use vehicle selector to confirm fitment
Mercedes Benz SL500 Base V8 5.0L 113.961 2002 129.068 Use vehicle selector to confirm fitment
Mercedes Benz SL500 Base V8 5.0L 113.963 2006 230.475 Use vehicle selector to confirm fitment
Mercedes Benz SL600 Base V12 5.5L 275.951 2006 230.476 Use vehicle selector to confirm fitment
Mercedes Benz SL600 Base V12 5.5L 275.954 2007 230.477 Use vehicle selector to confirm fitment
Mercedes Benz SL600 Base V12 5.5L 275.954 2008 230.477 Use vehicle selector to confirm fitment
Mercedes Benz SL600 Base V12 5.5L 275.954 2009 230.477 Use vehicle selector to confirm fitment
Mercedes Benz SL63 AMG Base V8 6.3L 156.981 2009 230.470 Use vehicle selector to confirm fitment
Mercedes Benz SL63 AMG Base V8 6.3L 156.981 2011 230.470 Use vehicle selector to confirm fitment
Mercedes Benz SL65 AMG Base V12 6.0L 275.981 2005 230.479 Use vehicle selector to confirm fitment
Mercedes Benz SL65 AMG Base V12 6.0L 275.981 2006 230.479 Use vehicle selector to confirm fitment
Mercedes Benz SL65 AMG Base V12 6.0L 275.981 2007 230.479 Use vehicle selector to confirm fitment
Mercedes Benz SL65 AMG Base V12 6.0L 275.981 2008 230.479 Use vehicle selector to confirm fitment
Mercedes Benz SL65 AMG Base V12 6.0L 275.981 2009 230.479 Use vehicle selector to confirm fitment
Mercedes Benz SL65 AMG Base V12 6.0L 275.981 2011 230.479 Use vehicle selector to confirm fitment
Mercedes Benz SL65 AMG Black Series V12 6.0L 275.981 2009 230.479 Use vehicle selector to confirm fitment
Mercedes Benz SLK230 Kompressor L4 2.3L 111.973 2000 170.447 Use vehicle selector to confirm fitment
Mercedes Benz SLK230 Kompressor L4 2.3L 111.983 2004 170.449 Use vehicle selector to confirm fitment
Mercedes Benz SLK280 Base V6 3.0L 272.942 2006 171.454 Use vehicle selector to confirm fitment
Mercedes Benz SLK280 Base V6 3.0L 272.942 2007 171.454 Use vehicle selector to confirm fitment
Mercedes Benz SLK280 Base V6 3.0L 272.942 2008 171.454 Use vehicle selector to confirm fitment
Mercedes Benz SLK32 AMG Base V6 3.2L 2002 170.466 Use vehicle selector to confirm fitment
Mercedes Benz SLK32 AMG Base V6 3.2L 2003 170.466 Use vehicle selector to confirm fitment
Mercedes Benz SLK32 AMG Base V6 3.2L 2004 170.466 Use vehicle selector to confirm fitment
Mercedes Benz SLK320 Base V6 3.2L 2001 170.465 Use vehicle selector to confirm fitment
Mercedes Benz SLK320 Base V6 3.2L 2002 170.465 Use vehicle selector to confirm fitment
Mercedes Benz SLK320 Base V6 3.2L 2003 170.465 Use vehicle selector to confirm fitment
Mercedes Benz SLK320 Base V6 3.2L 2004 170.465 Use vehicle selector to confirm fitment
Mercedes Benz SLK350 Base V6 3.5L 272.963 2005 171.456 Use vehicle selector to confirm fitment
Mercedes Benz SLK350 Base V6 3.5L 272.963 2006 171.456 Use vehicle selector to confirm fitment
Mercedes Benz SLK350 Base V6 3.5L 272.963 2007 171.456 Use vehicle selector to confirm fitment
Mercedes Benz SLK350 Base V6 3.5L 272.963 2008 171.456 Use vehicle selector to confirm fitment
Mercedes Benz SLK350 Base V6 3.5L 272.969 2009 171.458 Use vehicle selector to confirm fitment
Mercedes Benz SLK350 Base V6 3.5L 272.969 2010 171.458 Use vehicle selector to confirm fitment
Mercedes Benz SLK55 AMG Base V8 5.5L 2005 171.473 Use vehicle selector to confirm fitment
Mercedes Benz SLK55 AMG Base V8 5.5L 113.989 2006 171.473 Use vehicle selector to confirm fitment
Mercedes Benz SLK55 AMG Base V8 5.5L 113.989 2007 171.473 Use vehicle selector to confirm fitment
Mercedes Benz SLK55 AMG Base V8 5.5L 113.989 2008 171.473 Use vehicle selector to confirm fitment
Mercedes Benz SLK55 AMG Base V8 5.5L 113.989 2009 171.473 Use vehicle selector to confirm fitment
Mercedes Benz SLK55 AMG Base V8 5.5L 113.989 2010 171.473 Use vehicle selector to confirm fitment
Mercedes Benz SLR McLaren Base V8 5.5L 155.980 2005 199.376 Use vehicle selector to confirm fitment
Mercedes Benz SLR McLaren Base V8 5.5L 155.980 2006 199.376 Use vehicle selector to confirm fitment
Mercedes Benz SLR McLaren Base V8 5.5L 155.980 2007 199.376 Use vehicle selector to confirm fitment
Mercedes Benz SLR McLaren Base V8 5.5L 155.980 2008 199.376 Use vehicle selector to confirm fitment
Mercedes Benz SLR McLaren Base V8 5.5L 155.980 2008 199.476 Use vehicle selector to confirm fitment
Mercedes Benz SLR McLaren Base V8 5.5L 155.980 2009 199.476 Use vehicle selector to confirm fitment
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

This product is not eligible for Lifetime Replacement

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Return and Exchanges

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New/Unused Product Returns

ECS Tuning will accept returns for unused products within 90 days of the ship date for a refund to the original payment method used. The customer is responsible for the return shipping costs and fees. If selecting to use a prepaid shipping label, the shipping cost will be deducted from the total refunded amount. All new/unused products must be new, unused and must be in the original packaging, including labeling, manuals, hardware, etc. Special order parts are non-refundable.

In the event that we find an error on our website or on behalf of an ECS Tuning Representative, we will provide a return shipping label from the original delivery location.

Refused Packages

Any domestic orders that are returned to ECS Tuning as refused by receiver or non-deliverable will be subject to a return handling fee and will be processed as a return in compliance with our standard return policy, including a 15% restocking fee.

Any international orders that are refused at the time of delivery will be subject to carrier abandonment of the package, at which time the ordered products would be discarded by the carrier. The customer will not be refunded for the value of the order and the discarded products are no longer retrievable.

Return Process

Return Process

ECS Tuning now offers an online returns solution! To get started, simply log into your ECS Tuning account, Click the "View Orders" button on the My Account home page and select the order that you wish to make a return on to begin. If you have any questions, feel free to reach out to our Customer Service Team for assistance!

Please note: Refunds will be processed to the original payment method used on the order or to an in store credit, respective to the type of return that is made as well as any pre-existing arrangements with an ECS Tuning Customer Service Representative. In the event that multiple forms of payment were used, we will refund the value to an in store credit. In the event that a return label is provided, these charges may be deducted from the total refund you receive.

Original shipping costs are non-refundable and the buyer is responsible for return shipping charges. ECS Tuning will not accept COD deliveries.


All in store credit balances will expire after one year from the original purchase date.

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Shipping Policy

Free Shipping On Orders $49 & Up

Items marked with a 'Free Shipping On Orders $49 and Up' logo may qualify for free standard economy ground shipping to the contiguous United States (48 states) for most orders with a value greater or equal to $49.00 USD. Oversized products and direct ship products are excluded from this offer unless otherwise noted.

Free Shipping

Items marked as 'Free Shipping' may qualify for free standard economy ground shipping to the contiguous United States (48 states). Oversized products and direct ship products are excluded from this offer unless otherwise noted.


The policies listed above are subject to change at any time without notice.

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Lifetime Replacement

Want to know more about our Lifetime Replacement program?

Click here to learn more.

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Why You Should Shop From ECS Tuning

ECS Tuning stands out as more than an automotive parts supplier-it's a vibrant community fueled by a shared passion for cars. Born from the enthusiasm of car lovers, we offer an unmatched understanding and commitment to the automotive world, providing high-quality parts and accessories sourced from our own experiences. Our selection is meticulously crafted to meet the highest standards of performance, quality, and design, catering to both the latest trends and classic styles.


Our distinct advantage lies in our passionate team and comprehensive support, offering expert advice and seamless service from selection to installation. Shopping with ECS brings exclusive perks, including our Lifetime Replacement Guarantee and free shipping on orders over $49, enhancing the value of every purchase. As a central hub for car enthusiasts, ECS Tuning fosters a rich community where ideas and experiences flourish, transforming us from a mere supplier into a platform where automotive dreams come to life.

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Cancellation Policy

At ECS Tuning, we understand that plans can change. That's why we offer a flexible cancellation policy for our customers. You may cancel your order at any time before you receive the shipment confirmation. This policy is designed to provide you with peace of mind and the flexibility to make adjustments to your purchases as needed. Should you decide to cancel your order, simply reach out to our customer service team, and we will assist you with the process swiftly and efficiently.

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Manufacturer names and/or part numbers are used only for identification purposes.

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