HKS Centre Pipe Installed

Originally Posted by m4a1mustang The reason the car is louder when it's cold is because the ECU is bumping up the idle RPM by a good bit to help get

		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain > Intake/Exhaust
HKS Centre Pipe Installed

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02-08-2010, 01:20 PM

#20 (permalink)

alexpila

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Join Date: Sep 2009

Location: Johannesburg

Posts: 178

Drives: 09 370z AT Touring

Rep Power: 17

Quote:

Originally Posted by m4a1mustang

The reason the car is louder when it's cold is because the ECU is bumping up the idle RPM by a good bit to help get the fluids pumping and warmed up quickly.

I know it does that but wen you drive off it sounds much louder through acceleration as it used to have a rasp when cold as the cats got warm the noise decreases significantly...

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09 7AT Touring 370z, Pearl White, Evo-R Carbon Fang Cover, Carbon Top Cover, HKS Centre Pipe, Illuminated Kickplates, Custom Sprayed stock RAYS

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