TwinTurbo.NET: Nissan 300ZX forum - Anyone have resonated test pipes AND resonated H pipe?
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Subject Anyone have resonated test pipes AND resonated H pipe?
     
Posted by TTkeeper on July 07, 2009 at 12:48 AM
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Message My H pipe has individual resonators on it, and I'm presently installing 3" downpipes (4 bolt, stock turbos) and resonated 3"-to-2.5" test pipes (or midpipes) to my 2.5" cat-back exhaust. Is this redundant ? Are the resonators adding much restriction ? Shoud I have gone with the H pipe resonators only ? Will the cabin noise be reduced further ?

     
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