Loud Exhaust Drone at old start ups

MY1STZ · 09-22-2010, 12:31 AM

At cold start the Exhaust has a loud drone but it goes away after about 20-30 seconds. I have a friend that has a Nismo and his cold start is the same. Is this normal for these cars

Thanks

Chriz · 09-22-2010, 01:43 AM

Yup quite normal. No need to worry about it

zrider · 09-22-2010, 02:31 AM

yea completely normal. i believe at a cold start up the car idles higher, making it warm up quicker. and the exhaust note is noticeable louder during this time too.

BOLIO 671 · 09-22-2010, 06:12 AM

Perfectly fine...You'll learn to love it when you have an aftermarket exhaust and you go out early in the morning before the sun is out to warm it up before you go to work....Your neighbors will hate it though

MY1STZ · 09-23-2010, 10:59 AM

Ok, so no need to panic. Thank you all

Trips · 09-23-2010, 11:02 AM

The End

09-22-2010, 12:31 AM	#1 (permalink)
MY1STZ Base Member Join Date: Sep 2010 Location: Washington State Posts: 95 Drives: 2009 370Z W 7Spauto Rep Power: 15	Loud Exhaust Drone at old start ups At cold start the Exhaust has a loud drone but it goes away after about 20-30 seconds. I have a friend that has a Nismo and his cold start is the same. Is this normal for these cars Thanks Last edited by MY1STZ; 09-22-2010 at 12:36 AM. Reason: incomplete thread

09-22-2010, 01:43 AM	#2 (permalink)
Chriz Track Member Join Date: Dec 2009 Location: Houston TX Posts: 626 Drives: '10 370z PW 7AT Rep Power: 16	Yup quite normal. No need to worry about it __________________ PW 7AT w/Sports Pkg Hook Em!

09-22-2010, 06:12 AM	#4 (permalink)
BOLIO 671 A True Z Fanatic Join Date: Mar 2010 Location: GUAHAN Posts: 1,198 Drives: To & From then Back Rep Power: 3399	Perfectly fine...You'll learn to love it when you have an aftermarket exhaust and you go out early in the morning before the sun is out to warm it up before you go to work....Your neighbors will hate it though __________________ 2013 Nismo Z34 / FI TT #091 / IG: @lilzilla_z34

09-23-2010, 11:02 AM	#6 (permalink)
Trips Administrator Join Date: May 2009 Location: Disneyland, Ca Posts: 8,730 Drives: 🔰 Rep Power: 10	The End __________________

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09-22-2010, 02:31 AM	#3 (permalink)
zrider Base Member Join Date: Oct 2009 Location: Alexandria, VA Posts: 175 Drives: 2009 370z Black M/T Rep Power: 16	yea completely normal. i believe at a cold start up the car idles higher, making it warm up quicker. and the exhaust note is noticeable louder during this time too.

09-23-2010, 10:59 AM	#5 (permalink)
MY1STZ Base Member Join Date: Sep 2010 Location: Washington State Posts: 95 Drives: 2009 370Z W 7Spauto Rep Power: 15	Ok, so no need to panic. Thank you all