i have a 05 ccsb 2500hd and was wondering if anyone knows if i could directly bolt on a ls1 lingenfelter intake and would it have enough gains to make it worth my money and time

 

Truck intakes are better for bottom end torque so with the ls1 intake you would be giving that up. You would also have to change all your front accessories for ls1 ones for fitment reasons I've heard. You wouldn't see enough gain to make it worth the money spent with just intake upgrade.