Hello,

i'm a newbie to tuning and i'm interested in purchasing this used exhaust which has this description: "Has a 3 inch to 2 1/4 Race bypass on it currently, with O2 Sensor fitting welded in". What does that mean? Thanks, i appreciate any input.

 

it has no catalytic converter

 

i am thinking thats what itn means

 

thanks for the reply KAUAI KANE, the exhaust for sale's a Tanabe RM so that confuses me a bit... do they come w/ a CAT as well to replace?

 

wouldn't know sorry