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AFE - 46-20048 - 04.5-05 GM Duramax V8-6.6L(td)LLY intercooler tube upgrade - Post Intercooler/Passenger Side The aFe intercooler tube represents the next generation of Diesel performance products. This intercooler tube outflows the factory intercooler tube by 40%. Not only will you get increased performance but you will also see lower EGT's and increased MPG. This tube includes two 1/8" NPT bungs for additional sensor or injection ports. Talk about bang for the buck! This intercooler tube is constructed of 3" mandrel bent stainless steel for smooth air flow transition and increased power and comes complete with 4-ply heavy duty couplings and constant tension T-bolt clamps for a tight and secure installation. | 
