HSP Deluxe Max Air Flow Bundle For 2003-2004 GMC/Chevrolet 6.6L LB7 Duramax 1999-2007-sierra-1500 and out-perform every alternative

and out-perform every alternative

9 body mount hardware

Our experts can help answer any questions you have and guide you in the right direction

increased horsepower and increased torque

HSP Deluxe Max Air Flow Bundle For 2003-2004 GMC/Chevrolet 6.6L LB7 Duramax 1999-2007-sierra-1500 and out-perform every alternativeLooking 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.