Best in 7 days
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Shipping Estimate
USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Superchips Flashpaq for 2017-2019 Silverado/Sierra 2500/3500 - ECM UnlockThe 2017 2019 L5P GM Duramax Flashpaq performance programmer (PN 2848 DS) now includes hardware and software to UNLOCK YOUR ECM AT HOME, and contains tunes engineered with the daily driver, heavy tower, and enthusiast in mind. Once the ECM is unlocked with the included software and harness (a one time operation to the vehicle), our pre loaded tunes can be flashed into the truck to fine tune it for daily driving, towing, fuel mileage or all out
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 1988 reviews
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Product Reviews
★★★★★ 5
Happy husband
Size: Large, Color: (001) Black / Black / Pitch Gray
Husband loved the socks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
★★★★★ 5
Good quality
Size: Large, Color: (100) White / White / Pitch Gray
These hold up really well. The extra cushion in the heels helps
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Reviewed in the United States on December 2, 2025
★★★★★ 5
My favorite socks.
Size: Medium, Color: (001) Black / Black / Pitch Gray
I love these socks. Whe. The time comes to replace them, I will be replacing them with the exact same ones.
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Reviewed in the United States on August 27, 2025
★★★★★ 5
Great Sox!!
Size: One Size, Color: Green
I like these Sox a lot!
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Fits as expected
Size: One Size, Color: Green
Very comfortable!
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Reviewed in the United States on May 17, 2026
