
DAYTONA TWIN TEC LLC Twin Tuner II Fuel Injection Controller — Black
In stock items will be shipped within 1-3 days.
You can return the products within 14 days for a full refund, check our returns policy.
We accept many payment methods

In stock items will be shipped within 1-3 days.
You can return the products within 14 days for a full refund, check our returns policy.
Easily adjusts the OEM Delphi fuel-injection and ignition to match the requirements of performance parts including high-compression pistons/heads, camshafts, free-flowing exhausts, and low-restriction air filters - add 30% or subtract 20% fuel and retard spark timing up to 10°.
You can use the mode and up/down pushbutton switches to make fuel trim adjustments in the rpm and throttle position ranges required by most applications; the fuel trim value is displayed on a bright daylight readable LED display.
The Twin Tuner also has an advanced mode, using the optional USB Interface and PC Link Tuner software to make precise fuel adjustments and allows independent adjustments to the front and rear cylinders.
Compatible with Twin Scan II+ Tuning Aid - install the Twin Scan II+ and ride the bike, then copy the air/fuel ratio corrections calculated by the Twin Scan II+ into the PC Link Tuner software.
Twin Tuner II has all the features of the original Twin Tuner and includes ignition timing control capability.
Easy plug-in installation and setup, with no splicing, cutting, crimping or bulky interconnections.
May be compatible with other controller maps.
Compact size - only 4" L x 2" W x 1/2" H.
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Orders are processed within 1–2 business days after payment confirmation. Orders placed on weekends or public holidays are processed the next business day.
If your order is delayed or arrives damaged, you must notify us within 14 calendar days. We will investigate the issue and offer a resolution in accordance with applicable consumer protection laws.
In accordance with Royal Legislative Decree 1/2007 (Ley de Defensa de los Consumidores y Usuarios), you have the right to withdraw from your purchase within 14 calendar days from the date of receipt, without giving any reason.
To exercise this right, contact us via email or through our website, providing your order number and contact details.
If you want to return an item, please contact us first to give you detailed instructions.