HKS Centre Pipe Installed

Originally Posted by alexpila And i found they are much much loader when the cats are cold so i might go for a decat to keep the sound as i

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

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02-08-2010, 01:12 PM

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m4a1mustang

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Quote:

Originally Posted by alexpila

And i found they are much much loader when the cats are cold so i might go for a decat to keep the sound as i like it

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.

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