[Taylor_Yach]

I have a 06 mazda 3 2.0 L. It already has a straight pipe on it but it has a Cadillac converter. How would i go about taking it off? And what are the usual sizes of pipes for a muffler extension on the Mazdas?

 

[MrBen]

I have a 06 mazda 3 2.0 L. It already has a straight pipe on it but it has a Cadillac converter. How would i go about taking it off? And what are the usual sizes of pipes for a muffler extension on the Mazdas?

This should help
Exhaust Cat-Back Systems - Mazda 3 Performance Parts