DIESELR GM Duramax LMM All In One Kit (2007.5-2010)
DIESELR GM Duramax LMM All In One Kit (2007.5-2010) - SOTF - Shift-on-the-Fly (Pickup Only) / 4-Inch Downpipe Back (Stainless steel) is backordered and will ship as soon as it is back in stock.
Shipping & delivery
Usually ships in 2–3 business days unless a different lead time is shown on this page. Shipping cost is calculated at checkout (UPS or USPS to the contiguous U.S.).
Shipping policy · Returns · Fitment questions? (561) 207-7988
Delivery and Shipping
Delivery and Shipping
Standard order processing is 2–3 business days unless this product or your order confirmation states a different lead time. Custom-built, made-to-order, backorder, and pre-order items follow their stated lead times.
Enclosures and subwoofer boxes ship for $50 per unit. Other shipping charges are calculated at checkout. Orders outside the contiguous 48 United States may require additional shipping; we will contact you for approval before shipment.
Subwoofer boxes ship UPS Ground where available. Read our Shipping Policy and Return and Refund Policy for delivery, product-specific return windows, and warranty details.
DIESELR GM Duramax LMM All In One Kit (2007.5-2010)
DIESELR GM Duramax LMM All In One Kit (2007.5-2010) - SOTF - Shift-on-the-Fly (Pickup Only) / 4-Inch Downpipe Back (Stainless steel) is backordered and will ship as soon as it is back in stock.
Description
Description
DIESELR LMM 6.6L All-In-One Kit (2007.5–2010)
Full Control for Your 2007.5–2010 Duramax LMM 6.6L
The DIESELR LMM 6.6L All-In-One Kit is engineered for serious Duramax owners running a 2007.5–2010 GMC Sierra or Chevrolet Silverado 2500/3500. Designed to replace restrictive factory components, this bundle is built around reliable EFI Live tuning, premium exhaust hardware, and a proven EGR solution—all in one kit.
Whether you’re chasing better drivability, more efficient towing, or higher airflow, this LMM 6.6L All-In-One Kit delivers.
What’s Included in the LMM 6.6L All-In-One Kit:
- EFI Live AutoCal V3 (Blank) – Industry-standard OBDII tuning interface, prepped for custom DIESELR files.
- DIESELR EFI Live Tune Files – Available as Single Tune or SOTF (Switch-On-The-Fly) with 5 power levels.
- DIESELR EGR Upgrade Kit – Eliminates airflow restrictions and improves long-term reliability.
- 5" Downpipe-Back Exhaust System (No Muffler) – 16-gauge T409 stainless steel, mandrel bent, no bungs.
- Custom Tuning Support – From file delivery to flashing, we’ve got you covered.
Tune Type Options:
- Single Tune
- SOTF Tune (5 Levels)
Exhaust Fitment & Specs:
- Designed for 2007.5–2010 Duramax LMM trucks (EC/CC, SB/LB, Dually)
- Includes TorcTite® clamps and contour bent hangers for easy install
- Not compatible with Cab & Chassis models
Why Choose This DIESELR LMM 6.6L Kit?
- Built for real-world reliability and performance
- Replaces every weak link in the factory system
- Custom-calibrated EFI Live files—not generic base maps
- True no-bungs, no-muffler straight-through exhaust flow
- Full tuning support from diesel techs who know the platform
Installation Notes:
- Requires a Windows laptop for flashing
- Professional installation recommended
Fitment & installation
Fitment & installation
Check the selected part against your vehicle. Need help? Call (561) 207-7988.
Selected part:
Loading vehicle fitment…
Read FOX’s application notes for part 987-24-001 (rear shock)
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
