15-16 Duramax LML HSP Upper Coolant Tube Color:Flag Red Also included is one 1/8"

Also included is one 1/8" NPT port on each tube which is provided for a sensor or water-methanol injection

INSIDE DIAMETER - 3" BOTH SIDESCENTERLINE LENGTH - 7

3" mandrel bent tubing supplies your engine with 93% more air and follows a 6% shorter flow path than the OEM parts it replaces

(1) - Bypass Pipe Seal

Up To: 81HP & 170 ft-lbs

15-16 Duramax LML HSP Upper Coolant Tube Color:Flag Red Also included is one 1/8"** 2 3 Week Build Time Normally** HERE AT HSP, WE BELIEVE IN GOING FAST AND MAKING BIG POWER. WE ALSO BELIEVE YOU SHOULD LOOK GOOD DOING IT! THE LML UPPER COOLANT TUBE IS A PERFECT PART TO ADD A CUSTOM LOOK TO YOUR TRUCK. THIS SMALL BUT SOMETIMES OVERLOOKED COMPONENT WILL KEEP YOUR TRUCKS ENGINE BAY LOOKING SHARP.