6.6L Duramax LLY (2004-2005)
High-Performance 6.6L Duramax LLY Upgrades | EGR Delete, CCV Reroute & More
Unlock superior performance from your 2004–2005 6.6L Duramax LLY with DynoVox's proven diesel upgrade solutions. Engineered to overcome factory limitations, our performance parts are designed to deliver more power, lower exhaust gas temperatures, and long-term engine reliability. This collection includes critical components such as EGR delete kits to eliminate soot buildup and improve exhaust flow, CCV reroute systems to prevent oil vapor contamination in the intake system, high-flow up-pipes for enhanced turbo efficiency, and advanced tuners to recalibrate your engine’s parameters for maximum horsepower, torque, and fuel economy.
All DynoVox products are crafted from premium materials and tested for real-world durability—whether you're towing, daily driving, or building a track-ready rig. Each item is tailored specifically for the Duramax LLY platform to ensure easy installation and consistent performance gains.
Ready to take your LLY to the next level? Shop DynoVox today and equip your Duramax with high-performance upgrades built to dominate.
2004-2005 6.6L LLY Duramax EGR Delete Kit With High Flow Intake
Diesel truck owners rely on their 6.6L LLY Duramax engines for consistent power, whether for towing, hauling, or daily driving. However, over time, factory-installed EGR systems become a source of carbon buildup, reduced throttle response,...
2004-2010 LLY LBZ LMM 6.6L Duramax CCV/PCV Reroute/Delete Kit
Why Your Factory CCV System Is Holding You Back The stock Crankcase Ventilation (CCV) system in Duramax engines routes oily blow-by gases back into the intake tract. Over time, these vapors form carbon deposits in...
2001-2016 6.6L LB7 LLY LBZ LMM LML Chevy&GMC Duramax Exhaust Up-Pipe
DynoVox 2001-2016 Chevy & GMC 6.6L LB7 LLY LBZ LMM LML Duramax Exhaust Up-Pipe Upgrade your 2001-2016 Chevy/GMC 6.6L Duramax with DynoVox’s high-performance exhaust up-pipe. Designed for LB7, LLY, LBZ, LMM, and LML engines, this up-pipe improves...
EZ LYNK Auto Agent 3
The EZ LYNK Auto Agent 3 Vehicle Diagnostic Scan Tool & Electronic Logging Device (ELD) Who is it for? • Vehicle Owners - From 18 Wheelers to Powersports and everything in between. See what we...
EGR/Exhaust Up-Pipe for 2004-2005 Chevy GMC 6.6L Duramax LLY
DynoVox EGR/Exhaust Up-Pipe for 2004-2005 Chevy GMC 6.6L Duramax LLY Upgrade your 2004-2005 Chevy GMC 6.6L Duramax LLY with DynoVox’s EGR/Exhaust Up-Pipe! This high-performance component replaces restrictive factory parts, improving exhaust flow, boosting horsepower, and enhancing...