exhaust dimensions

Suppose we will find out then...

Is the exhaust bore 40mm ID ?

Hi,

I've been looking for pipe on line and can only 1 3/4" diameter as the smallest size so far. This leads me to think my measurements might be slightly off, or its not a common size (its only 4 mm difference between 40mm and 1 3/4").

I was toying with the idea of re-routing the exhaust with a "bullet" style (cheap) box near the exit, but I can't find a box in the right size yet. I need to remeasure a straight bit of the pipe again (or get a responsible person to do the measuring). Looking at the joins on previous posts it looks like there are reducers being used where the new pipe joins the original.

Smallest i have found is 45mm OD and thats with a 2mm wall thickness leaving 41mm ID.

As long as you can "sleeve" it then should be fine. I will have a walk under mine and measure it myself if its not raining tonight.

Hi i no someone in the pas has used this front box:
DATSUN 280ZX HS 130 SERIES 2 SEATER MARCH 1979TO 1983 FRONT SILENCER
Item number: 360402193616 on EBAY. i have messaged the bloke and hes going to find me something like this just cheaper.

thanks

james