TwinTurbo.NET: Nissan 300ZX forum - Funny you mention expansion DP & 3" to 2.5" exhaust
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Subject Funny you mention expansion DP & 3" to 2.5" exhaust
Posted by Boosted1 on January 21, 2023 at 12:55 PM
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In Reply To I tend to agree with your list with small changes posted by ConVerTT on January 21, 2023 at 12:32 PM
Message I actually tried that first, but left that out of my description.
It is better for power ( both HP and torque ).
So I tried it first by putting the 3" to 2.5" mid pipes and the B&B 2.5" cat back on my full breather car.
I even went so far as to measure the decibel level.
What I found was that the decibel level was barely any different.
So i just prioritized lower decibel level of full 2.5" over the increased top end power of full 3".

I love driving this car around. Not too loud.
it's white. Total sleeper.

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