HSP Deluxe Max Air Flow Bundle For 2003-2004 GMC/Chevrolet 6.6L LB7 Duramax automatic transmission Larger 4" inlet

Larger 4" inlet

Requires no cutting or modifications

Please compare our design and components to the competion and you'll see the differences

PMF is proud to offer the first to market index plate for the newer trucks

this kit included our “flipped” drag link that mounts to the top of the steering arm

HSP Deluxe Max Air Flow Bundle For 2003-2004 GMC/Chevrolet 6.6L LB7 Duramax automatic transmission Larger 4" inletLooking for a kit that has it all? Featuring a mandrel bent 4 inch intake tube for massive airflow gains, HSP's signature heat shield box eliminating unwanted hot air entering the cold air intake. For every 1 degree increase in intake air temperature will result in a 3hp loss. This kit also features HSP's high flow turbo mouthpiece that outflows any ported mouthpiece on the market. It will also include HSP's hot side and cold side intercooler piping.