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Switch on the Fly Tune Only for EFI Hardware Duramax LLY (2004.5-2005)
Elevate your driving experience with our innovative Switch on the Fly Tune for your 2004.5-2005 Chevy Silverado or GMC Sierra. Seamlessly select from a variety of dynamic tuning options to achieve performance enhancement tailored to your specific needs. Don’t wait to unlock the full potential of your Duramax LLY—purchase your custom tune switch today and enjoy every journey with reliability and precision!
Elevate your driving experience with our innovative Switch on the Fly Tune for your 2004.5-2005 Chevy Silverado or GMC Sierra. Seamlessly select from a variety of dynamic tuning options, including towing, race, sport economy driving, and stock settings, to enhance performance based on your specific needs. This customizable tune switch allows you to adjust settings effortlessly, ensuring optimal performance in any scenario.
Designed for compatibility with EFI Live, the optional license provides you with even more flexibility. To fully utilize this feature, purchase the required switch directly from us to unlock the full potential of your Duramax LLY.
Explore the benefits of enhanced performance and tailored driving experiences, making every journey enjoyable with reliability and precision.
Shipping Times
Most customers will see their parts within 3-5 business days. We will primarily ship with Purolator ground & DHL Express to ensure the fastest shipping possible.
Please Note: These are only estimates and shipping time may vary depending on your location, out of country and rural locations expect longer wait times.
Where Do We Ship
We will ship our products within Canada and the United States.
Please Note: There are limitations what can be shipped to the United States.
Damaged Shipments
We provide the option to purchase insurance as we are not responsible for any damage while with a courier, we don’t often see issues, but it does happen. If you purchased insurance we will put in a claim, if no insurance was purchased there will be no refunds or exchanges.
Return Policy
It happens sometimes we would like to return it. Here are our return rules:
- Prior to any return you must contact us and get an approval for a RMA number.
- Product must be unopened and have no damage.
- You must pay for the shipping back, please insure so if anything happens you can make a claim, we are not responsible for damage during shipping and is the sole responsibility of the customer.
- Regular products are subject to a 5% Restocking fee.
- Items over 50 lbs. or special orders will be subject to a 20% Restocking fee.
- Electronics & Tuning is a final sale and cannot be returned.