Nice 
Yea I basically have a the HKS back box diff back--and a striaght pipe up to where the primary and secondary meet and go into one if you know what i mean
..so will the 2.5" be alrite?
Just want no cat at all to hear the full noise of the EJ20
+ more back fires always help 
Yea I basically have a the HKS back box diff back--and a striaght pipe up to where the primary and secondary meet and go into one if you know what i mean
..so will the 2.5" be alrite?Just want no cat at all to hear the full noise of the EJ20


