99% sure it will fit BUT 100% sure for you not to buy it because the company that makes and sells it is pants. You do get what you pay for.
 
don't think those would fit a lcr but using my phone so might be wrong. reason going for s3 one is easier to come by. not sure what difference is between 3 an 2.5 inch. got it wrong about t h s my friend got one for his diesel an though he said do them for lcr as well. i'm going hybrid an been told 3'' is a must due to high egt. just tryin to save some money as cheapest found 3'' de-cat for is 300. will have to keep looking. thanks for peoples help.
 
I think the S3 down pipe are shaped different because of the 4 wheel drive and the LCR dont need to bent out the way.

i would look at piper pipewerx or APR for a lager downpipe and decat