the year of the accord would help . the 86-87 accord lxi is the same HP as 85-87 prelude Si the 88-89 accord lxi has 10 more HP 120 vs 110 due to a dual stage intake and 4-2-1 header and higher compresson 8.8:1 vs 9.2:1 both will drop in but the 88-89 will need the intake and exhaust swapped for the lude one ,use the lude harness and your set.