TwinTurbo.NET: Nissan 300ZX forum - I have an Impul cat-back available for 2+2
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Subject I have an Impul cat-back available for 2+2
     
Posted by Doug71zt(CAN) on February 29, 2020 at 9:37 PM
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In Reply To Exhaust Question posted by XTASEA1 on February 27, 2020 at 08:10 PM
     
Message It's a full stainless 2.5 inch suitable for NA or mild TT. It has large round mufflers with dual tips, and an x-pipe resonator along with an H-pipe further back that combats drone...a design that some European cars use to cut down resonance.
It's a nice quiet system that sounds better than stock, especially at higher RPM. The 2+2 has a lot more room for large mufflers, there is an advantage to that bit of chassis stretch.
I replaced it with a Fujitsubo Legalis 2.75" system when I did the full breather mods on the car. It uses smaller mufflers and a single big resonator that functions as an H pipe. It's louder and does drone a bit under 2500 rpm.
I agree with Bernie, the Magnaflow system didn't impress me. I installed one on a NA 2+0 for a customer and didn't like the tone. It wasn't super loud though.

     
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