TwinTurbo.NET: Nissan 300ZX forum - no droning and quiet-ish ? wow
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Subject no droning and quiet-ish ? wow
     
Posted by TTkeeper on October 08, 2019 at 5:37 PM
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In Reply To I too have the Megan exhaust on my TT >>>>>>> posted by JULIAN on October 07, 2019 at 05:58 PM
     
Message How modified is your TT ? Do you have cats? Everywhere
I read about full 3" systems and 3" to 2.5" systems the guys
say they are quite a bit louder than stock ( trade off between
free flowing and noise). The megan racing mufflers must
have a lot of noise absorbing material in their cans. I had
a 3" to 2.5" cat back system that droned terrible (no cats, no
resonators, with MSP manis). I ended up installing high flow cats
and vibrant resonators and I still have some drone. You may have
stumbled upon the secret formula for no drone without
resorting to complicated solutions like Helmholtz resonators.
Please share your engine/manifolds/cats/hpipe set up.

     
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