W Warm Pudgy New Member Messages 97 Location northwest arkansas Dec 13, 2008 #1 thats basically it. if i change the exhaust on a stock sc400 so that it has better airflow and has a little rumble to it, will it have any increase in the horse power? Attachments cop_plate_assembled.jpg 81.2 KB · Views: 4
thats basically it. if i change the exhaust on a stock sc400 so that it has better airflow and has a little rumble to it, will it have any increase in the horse power?
JustenGT8 New Member Messages 2,432 Location Canberra, Australia Dec 13, 2008 #2 More than likely but it won't be a huge gain...add headers and you'll get more again.