PRIMARY / SECONDARY CAT REMOVAL need advice who has done it
04-30-2017, 11:51 AM
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PRIMARY / SECONDARY CAT REMOVAL need advice who has done it
Hi I bought the front pipes for the R172 to take out the secondary cat and opened it up today and I thought the car had sucked in a ***** cat as all is in it is hair. I am doing it to get a bit more of V8 noise but am now wondering if I have wasted my money. Is there anyone who has removed the "cat hair" and has it made the noise any better. I have already put in a "x" pipe. All the hair out and there is a pipe going straight throu with holes in it. Do I leave that in or what. Will it help get the noise out that I know is in there somewhere. Has anyone removed the main cat and is there any problem as there is a sensor in that one. Thanks for any help. 
Last edited by dellboy; 04-30-2017 at 07:09 PM.
