gday,

booked car in for new exhuast on friday, current is old 1.75"

was thinking 2.5" mandrel bend with cat and some muffler

but wondering what other people have done

this is for a coupe with h190 diff, so i have no idea if 2.5" will fit over the diff? maybe it will need to split into two pipes

im hoping all this will stay over 100mm off the ground

i need to get the car engineered

does anyone know the diameter of the stock silvia exhaust?

the motor is currently stock but after engineering i will prob want to fiddle with it

is 2.5" the normal size or are people using 3"?

i have the maddat 3" dump pipe on the car at the moment, and plan to retain that