Fleece Performance 01-04 GM Duramax 6.6L LB7 63mm Billet LB7 Cheetah Turbocharger Fuel Delivery~Fuel Manifolds Stock intake boxes are a Fuel Injector Lines 50-74004 No Turbo size:Billet S472/83/.90
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Fleece Performance 01 04 GM Duramax 6.6L LB7 63mm Billet LB7 Cheetah Turbocharger Fuel Delivery~Fuel Manifolds Stock intake boxes are a Fuel Injector Lines 50 74004 No Turbo size:Billet S472 83 .90 Stock intake boxes are a significant contributor to poor airflow which is why S&B designs custom air boxes with secondary and or enlarged openings 2006 GMC Savana 3500 Base