2004-2010 LLY LBZ LMM 6.6L Duramax CCV/PCV Reroute/Delete Kit 1988 The longer you drive with

The longer you drive with the stock CCV system

throaty rumble of a true diesel engine without the ear-ringing cabin drone

Durable Construction: High-quality materials withstand extreme temperatures

DPF delete pipe

2004-2010 LLY LBZ LMM 6.6L Duramax CCV/PCV Reroute/Delete Kit 1988 The longer you drive withWhy 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 the turbocharger, intercooler, and intake valvesleading to performance loss, increased EGTs, and premature wear of high value components. For truck owners who tow heavy, operate in hot climates, or push for more horsepower, this system