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BGTV8 · 04-30-2015, 01:02 AM

This is the cat-converters warming up - once they flash-off, it alters the exhaust note. HFC are worse because they take longer to flash-off (is the difference between 400, 200 and 100 cell cats)

04-30-2015, 01:02 AM	#2 (permalink)
BGTV8 A True Z Fanatic Join Date: Dec 2009 Location: 03350 Australia Posts: 1,514 Drives: 09 Nissan 370Z M6 Rep Power: 39974	This is the cat-converters warming up - once they flash-off, it alters the exhaust note. HFC are worse because they take longer to flash-off (is the difference between 400, 200 and 100 cell cats)