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Wehrli Custom Fab Twin Turbo Kit, Chevy/GMC (2004.5-05) 6.6L Duramax (S400/Stock)
Compound Turbo Kits (also known as Twin Turbo Kits) for the 2004.5-2005 LLY Duramax have become one of the most popular upgrades for daily drivers and towing rigs. Compounding over your factory turbo charger has been proven to provide cooler EGT’s and increased power across the rpm range, all while ...
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