Fleece Performance FPE-FL-LB7-36 LB7 High Pressure Injection Line (3 and 6) For 01-04 Duramax LB7 Fleece Smashed Performance This results in greater air

This results in greater air density

3-1/2 inch constant diameter with larger radius bends

Derringer adds more torque and horsepower consistently throughout the powerband than the competition both safely and reliably letting you pull the grade without downshifting

Emissions Cert: SC-FLC01-0052

Fleece Performance FPE-FL-LB7-36 LB7 High Pressure Injection Line (3 and 6) For 01-04 Duramax LB7 Fleece Smashed Performance This results in greater airOriginal LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your injectors, have a line failure, or are looking to upgrade your stock lines, we've got you covered with our direct replacement LB7 injection lines! An upgrade to the factory lines on your 2001 2004 Duramax LB7, our Fleece Performance lines feature machined 4140 injector swivel nuts and are corrosion