Col's Scooby

Hi Iam thinking about buying a sports cat down pipe for my05 sti does it make a big difference. I have purchased a de-cat pipe for the second cat

Cheers for that mate it's suppost to be coming tomorrow so i will be fitting it then. Cheers Colin.

Hi. new member looking for help. I have just bought the 2nd De-Cat pipe for my05 STI. If i fit it will it bring on the warning light i still have the 1st one on at present till i get a sports cat to replace it. Cheers Colin