Sureflo 3.5 inch cat back MEDIUM-LOUD

My VY Commodore SV8 with 3.5 inch cat back exhaust from Sureflo. This video really doesnt do it justice :)

Listen to the standard system here for comparison:

http://www.youtube.com/watch?v=c3hdmXb4APA

Видео Sureflo 3.5 inch cat back MEDIUM-LOUD канала Ben Ponting