Found Better Price?...
We offer price Match plus 10% off the price different
Serving Canadian Since 2015
Superchips 2866-F Superchips Flashpaq with ECM Unlock for 2020-2023 GM 6.6L L8T
- Regular price
- $891.00 USD
- Regular price
-
$682.00 - Sale price
- $891.00 USD
- Unit price
- per
Take 10% off select products at checkout.
Savings auto-applies on selected products at checkout. Exclusions apply.
Couldn't load pickup availability
Description
xUnlock and tune your 2020-2023 GM L8T powered truck at home with our 2866-R Flashpaq kit! We provide our industry exclusive Locksmith device and ECM harness with our popular Flashpaq handheld device to give you the ability to tune without removing the ECM. Once unlocked, the provided tunes can add solid power to your 6.6L gas truck, while also improving throttle response, shifting, and more. Tunes for 87 octane, and premium fuel are provided, as well as tunes for the 6 speed transmissions. We even provide adjustments like throttle boost, speed limiter and tire size to name a few!
Specifications:
| 5 Volt Data Logging Inputs | No |
| 50 State Legal | No |
| AC Adapter | No |
| Accepts Custom Tunes From CMR | No |
| 621 | ABS |
| Brand | Superchips |
| California Proposition 65 Required | Yes |
| CARB (California) Compliant | No |
| 2278 | No |
| Category | Vehicles, Equipment, Tools, and Supplies |
| Color Display | Yes |
| Custom Tuning | No |
| Data Logging | Yes |
| Emission Code | 7 |
| 2541 | Yes |
| Fuel Type | Gasoline |
| 3390 | Performance |
| 2543 | Yes |
| part type | Computer Chip Programmer |
| Performance Tunes | Yes |
| 2547 | Yes |
| Product Type | Handheld Tuner |
| 2487 | Yes |
| Speedometer | Yes |
| Sub Category | Engine Service |
| 5561 | Yes |
| Warning | California Proposition 65 |
| Wi-Fi Updates | No |
| 5 Volt Data Logging Inputs | No |
| 50 State Legal | No |
| AC Adapter | No |
| Accepts Custom Tunes From CMR | No |
| 621 | ABS |
| Brand | Superchips |
| California Proposition 65 Required | Yes |
| CARB (California) Compliant | No |
| 2278 | No |
| Category | Vehicles, Equipment, Tools, and Supplies |
| Color Display | Yes |
| Custom Tuning | No |
| Data Logging | Yes |
| Emission Code | 7 |
| 2541 | Yes |
| Fuel Type | Gasoline |
| 3390 | Performance |
| 2543 | Yes |
| part type | Computer Chip Programmer |
| Performance Tunes | Yes |
| 2547 | Yes |
| Product Type | Handheld Tuner |
| 2487 | Yes |
| Speedometer | Yes |
| Sub Category | Engine Service |
| 5561 | Yes |
| Warning | California Proposition 65 |
| Wi-Fi Updates | No |
| Description_SHO | 20-23 L8T Flashpaq |
| Description_INV | 2020-2023 GM 2500/3500 6.6 Gas Flashpaq |
| Description_ASC | ECM Must be unlocked prior to using the Flashpaq to tune the vehicle. Once unlocked, the locksmith/harness is no longer needed. |
| Description_DES | Flashpaq for 2020-2023 6.6L L8T Gas trucks with Unlock |
| Description_EXT | Superchips Flashpaq with ECM Unlock for 2020-2023 GM 6.6L L8T |
| Description_MKT | Unlock and tune your 2020-2023 GM L8T powered truck at home with our 2866-R Flashpaq kit! We provide our industry exclusive Locksmith device and ECM harness with our popular Flashpaq handheld device to give you the ability to tune without removing the ECM. Once unlocked, the provided tunes can add solid power to your 6.6L gas truck, while also improving throttle response, shifting, and more. Tunes for 87 octane, and premium fuel are provided, as well as tunes for the 6 speed transmissions. We even provide adjustments like throttle boost, speed limiter and tire size to name a few! |
| Description_FAB | Supports 2020-2023 Silverado/Sierra 2500/3500 6.6 L8T |
| Description_FAB | Up to 28 RWHP/50 RWTQ over stock on premium fuel |
| Description_FAB | Performance TCM tune for optimized transmission behavior |
| Description_FAB | Correct Speedometer for Tire Size |
| Description_FAB | Set final drive ratio |
| Description_FAB | Adjust Rev Limiter |
| Description_FAB | Set Idle RPM in Drive/Neutral |
| Description_FAB | Remove Speed Limiter |
| Description_FAB | Adjust Throttle Sensitivity |
| Description_FAB | Recall Last Mode Setting |
| Description_FAB | Front/Rear TPMS Threshold Adjustment |
| Description_FAB | Transmission Adaptive Relearn |
| Description_FAB | Crank Position Sensor Relearn |
| Description_FAB | Control Intake Filter Monitor system |
| Description_FAB | Monitor real-time data |
| Description_FAB | Read and clear DTCs |
| Description_SHO | 20-23 L8T Flashpaq |
| Description_INV | 2020-2023 GM 2500/3500 6.6 Gas Flashpaq |
| Description_ASC | ECM Must be unlocked prior to using the Flashpaq to tune the vehicle. Once unlocked, the locksmith/harness is no longer needed. |
| Description_DES | Flashpaq for 2020-2023 6.6L L8T Gas trucks with Unlock |
| Description_EXT | Superchips Flashpaq with ECM Unlock for 2020-2023 GM 6.6L L8T |
| Description_MKT | Unlock and tune your 2020-2023 GM L8T powered truck at home with our 2866-R Flashpaq kit! We provide our industry exclusive Locksmith device and ECM harness with our popular Flashpaq handheld device to give you the ability to tune without removing the ECM. Once unlocked, the provided tunes can add solid power to your 6.6L gas truck, while also improving throttle response, shifting, and more. Tunes for 87 octane, and premium fuel are provided, as well as tunes for the 6 speed transmissions. We even provide adjustments like throttle boost, speed limiter and tire size to name a few! |
| Description_FAB | Supports 2020-2023 Silverado/Sierra 2500/3500 6.6 L8T |
| Description_FAB | Up to 28 RWHP/50 RWTQ over stock on premium fuel |
| Description_FAB | Performance TCM tune for optimized transmission behavior |
| Description_FAB | Correct Speedometer for Tire Size |
| Description_FAB | Set final drive ratio |
| Description_FAB | Adjust Rev Limiter |
| Description_FAB | Set Idle RPM in Drive/Neutral |
| Description_FAB | Remove Speed Limiter |
| Description_FAB | Adjust Throttle Sensitivity |
| Description_FAB | Recall Last Mode Setting |
| Description_FAB | Front/Rear TPMS Threshold Adjustment |
| Description_FAB | Transmission Adaptive Relearn |
| Description_FAB | Crank Position Sensor Relearn |
| Description_FAB | Control Intake Filter Monitor system |
| Description_FAB | Monitor real-time data |
| Description_FAB | Read and clear DTCs |
Vehicle Fitment
xShipping
xSHIPPING & DELIVERY INFORMATION
Free Shipping
- Eligibility: Orders over $99 in the USA & Canada.
- Exceptions: Oversized or heavy items may incur extra fees (we’ll notify you before shipping).
- Non-Eligible Areas: Vancouver Island, Yukon, NWT, Nunavut, Alaska, Hawaii, Puerto Rico & other U.S. territories.
Fast Shipping
- Processing: Orders placed before 2 PM usually ship the same day.
- Delivery Time: 2–5 business days via Purolator, FedEx, or Loomis Express.
- Note: Delivery may take longer for distant warehouses or inter-warehouse transfers.
Shipping Limitations
- No P.O. Boxes: Please provide a physical address.
- Remote Areas: Free shipping excludes remote regions.
Special Orders & Backorders
- May incur additional handling fees (discussed before shipping).
- You may cancel if costs are too high for a full refund.
Warranty
- For internal damage or missing parts, contact the manufacturer directly for faster service.
- After 30 days, contact the manufacturer first — if unresolved, our team will assist.
Oversized Items
- Shipped via LTL Freight (items over 150 lbs or large dimensions).
- We’ll confirm any added costs before shipping.
- Examples: Large Fridges, Oversize Toolbox or Tanks, Drop in Bed liners, Wheel to Wheel Step bar & Running Boards, Large Roof Cargo Box, Heavy Bumpers, RV Doors, Oversize, Roof Tent, Large gas tank, Oversize Grille Guards, Fifth Wheel Hitch, Sofa , Trailer Axle.
- Special Handling Fees: Items like batteries may incur additional shipping fees.
Returns & Cancellations
In-Stock Items
- Cancel before shipment; once shipped, standard return policy applies.
- 20% restocking fee, excluding oversize item. Both way shipping is customer responsibility under store error.
Backorders / Special Orders
- 5% restocking fee applies if canceled within 30 days.
- Non-cancellable once shipped from the manufacturer.
- Refused Deliveries: Refund minus shipping & restocking fees (excludes special orders).
- Payment Disputes: Chargebacks do not cancel orders — please contact us directly.
Core Fees
- Not included in the purchase price.
- Refundable upon return of the old part in usable condition.
If you have any questions or need assistance, please reach out to us at 800.292.4173 or support@mytruckpoint.ca.
Why Us
xWhy Choose MyTruckPoint?
When it comes to your truck, compromise is not an option. At MyTruckPoint, we deliver the quality, speed, and trust that professionals across Canada depend on every day.
🇨🇦 Trusted Across Canada for 10+ Years
A decade of proven reliability serving truck owners, fleets, and businesses nationwide. We’ve built our reputation by delivering consistent quality and dependable service.
📦 100,000+ Orders Delivered
Over one hundred thousand successful orders — every one backed by accuracy, speed, and customer satisfaction you can count on.
✅ Authorized Dealer of Leading Brands
No knock-offs. No compromises. Only genuine parts from top-tier brands, ensuring performance, safety, and long-term value.
💪 Built for Performance & Durability
Our parts are selected to handle real-world demands — tough jobs, long hauls, and harsh conditions. Because your truck deserves the best.
💰 Competitive Pricing Without Cutting Corners
Premium quality doesn’t have to mean premium prices. We deliver exceptional value so you get more for every dollar spent.
⚡ Fast, Reliable Shipping
Downtime costs money. That’s why we process orders quickly and deliver efficiently — so you can get back on the road faster.
🧠 Expert Support You Can Rely On
Not sure what you need? Our experienced team is here to guide you with honest advice and the right solutions — every time.
🤝 Customer-First Commitment
We stand behind every order. Your satisfaction isn’t optional — it’s our priority.
MyTruckPoint — Trusted by Thousands. Built for the Road.
- Choosing a selection results in a full page refresh.
