can i put the needswings cat delete down pipes on a N/A crossfire. my friend has an s2000 And did a cat delete about 17,000 miles ago and his car is running great sounds crazy and he got good gains... i was just wondering if the srt exhaust was the same as an N/A exhaust.

http://www.needswings.com/NeedsWings-SRT6-Cat-Delete-Downpipes-srt6catdelete