For Sale: 2004 GMC Sierra 2500HD SLT (Duramax LLY)
**Price:** $10,250
**Mileage:** 313,000 km
**Trim:** SLT (Leather, Heated Seats, Power Options)
**Engine:** 6.6L LLY Duramax Diesel
**Transmission:** Allison 1000 5-Speed Automatic


Up for sale is a 2004 GMC 2500HD. It features the SLT trim package paired with the 6.6L LLY Duramax engine. At 313,000 km, this truck runs strong and has been upgraded with supporting components for improved efficiency, performance, and stance.

Performance & Upgrades
* **EFI Live with DSP5 Switch:** 5-position on-the-fly tuning. Features settings for fuel economy, heavy towing, and street performance.
* **4-inch Flo-Pro Exhaust:** Helps lower Exhaust Gas Temperatures (EGTs) and improves exhaust flow with a deep tone.
* **K&N Cold Air Intake:** Upgraded to replace the restrictive factory intake system, allowing the engine to breathe more efficiently.

Suspension, Wheels & Tires
* **2.5-inch Zone Leveling Kit:** Levels the front stance with the rear and provides proper clearance for the wheels.
* **20-inch Fuel Rims:** Premium aftermarket wheels that update the look of the truck.
* **33x12.5 R20 Tires:** Good tread remaining, ready for work or daily driving.

Mechanical:** The truck accelerates smoothly, shifts exactly as it should, and the common airflow bottlenecks inherent to the stock LLY platform have been resolved.

Interior:** The driver's seat shows wear, but the remaining leather interior is in good shape for the year.

Exterior:** Please note that the truck box is in poor condition.

Asking $10,250. No trades.
Clean title in hand.

**Contact:** 519-321-1485