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nis350 · 04-30-2015, 12:23 AM

I noticed that the exhaust tone (oem) is louder during the first 10 seconds during the cold starts and it toned down as the rpm drop a bit. However, I couldn't duplicate the same exhaust tone when I rev the engine up after it warned up.

04-30-2015, 12:23 AM	#1 (permalink)
nis350 A True Z Fanatic Join Date: Oct 2014 Location: socal Posts: 1,108 Drives: 370z Rep Power: 13435	Exhaust Tone During Cold Start I noticed that the exhaust tone (oem) is louder during the first 10 seconds during the cold starts and it toned down as the rpm drop a bit. However, I couldn't duplicate the same exhaust tone when I rev the engine up after it warned up.