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RiffRaff Plenum Reinforcing Inserts
improving reliability at elevated HP levels
164" of the OEM diameter so there will not be any measurable affect on EGT's or cfm flow
Features & Details
PPE COOLANT HOSE KIT PPE - 2001-2005 GM Duramax 6.6L rods RiffRaff Plenum Reinforcing InsertsPPE Silicone high temperature upper & lower cooling hoses for GM Duramax 6. 6L Diesel Engines. The factory rubber hoses are prone to failure from years of abusive heat cycles. The factory T fittings are made from molded plastic and fail once they get dried up and brittle. PPE silicone hose kits come with tig welded and polished 304 stainless steel. The PPE silicone coolant hose kits are the perfect upgrade for your performance truck running higher
