s15 cat?

[sparks]

I have my nct next week so pulled the decat out and put back in my original cat back in only thing is i have installed it backwards. Does the drection of the cat matter cant see any markings on it. picture shows correct way

 

[Sideways Simon....]

direction doesnt matter

 

[spoonman]

oh just bash the insides out, then put it back on

 

[sparks]

C I need the cat for the test already have a Decat just don't want to go changing around cat if the direction didn't matter sense it will be coming out again next week after the test Decat will go back in.