99Yotarunner
New member
any one running a urd sim on cali emissions t4rn??
hey guys weel now that i am pretty sure my cats are bad, any one running a urd sim on there cali spec 4rnr? and if so what set up, i was thinking about going to one high flow cat and the urd sim........any input would be great thanks
hey guys weel now that i am pretty sure my cats are bad, any one running a urd sim on there cali spec 4rnr? and if so what set up, i was thinking about going to one high flow cat and the urd sim........any input would be great thanks