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No More Check Engine LightsS&B devotes a huge amount of resources to engineer our intakes that allow your engine to run properly with stock calibration or enhanced tuning
Reducing backpressure allows the engine to expel spent gasses with less effort
The BD Short Shift reduces the shift lever travel by 20% and results in a new driving experience
Improved cold weather starts
S&B Filters 75-5102 Cold Air Intake For 04-05 Chevrolet Silverado GMC Sierra V8-6.6L LLY Duramax Cotton Cleanable Red CORE-125 No More Check Engine LightsS&BMaximum Performance Our cold air intake for the 2004 2005 Chevy GMC Duramax LLY 6. 6L was engineered to minimize air restriction and flows 44. 63 percent better than stock. This kit comes with a fully enclosed airbox that protects the filter from dirt and keeps out engine heat. Protect Your Engine. This kit comes with a massive, highly efficient air filter which results in better performance and protects your engine. Available in either 8 layer Cotton