sifu
i had changed my wira se cat con n center box to bullet
the set up like below:
ori wise 4-2-1 -> bullet -> 1.7' piping -> ori wise muffer
but i face a big problem after install
my car feel heavier than original set up
my fren changed his wise piping also
his set up is:
ori wise 4-2-1 -> 1.7' piping -> bullet -> 1.7' piping -> ori wise muffer
his car is more powerful after changed
may i know which setting is correct and suitable for my wira se manual
please help. ..