want to add cats to my ory
want to add cats to my ory like the title says i want to add cats to my ory. i measured the circumference of my y at the 3 bolt flange and down and it was 9.75 inches which if i remember right i need to divide that by 3.142 (pi) to come up with a 3.10 inch diameter. so the .10 must account for the material thickness? so i believe i need a cat with 3 inch inlet and outlet, does that sound like the right size? also are there any cats that are short like the magnaflows that are a good low cost alternative?
oh they are cheaper than that 
unless you mean for both of them.
http://www.performance-curve.com/ind...OD&ProdID=1181
I had these ones on a y-pipe i made, they passed smog just fine too
unless you mean for both of them.http://www.performance-curve.com/ind...OD&ProdID=1181
I had these ones on a y-pipe i made, they passed smog just fine too
oh they are cheaper than that unless you mean for both of them.
http://www.performance-curve.com/ind...OD&ProdID=1181
I had these ones on a y-pipe i made, they passed smog just fine too
unless you mean for both of them.http://www.performance-curve.com/ind...OD&ProdID=1181
I had these ones on a y-pipe i made, they passed smog just fine too
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