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Exhaust opinions with current tp

Originally Posted by Deep071 HI everyone I'm somewhat new to this forum and haven't really posted yet and just had a quick question to everyone. i have a 2009 nissan

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Old 05-10-2014, 03:55 AM   #6 (permalink)
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Originally Posted by Deep071 View Post
HI everyone I'm somewhat new to this forum and haven't really posted yet and just had a quick question to everyone.

i have a 2009 nissan 370z with stock exhaust except z1 motorsports test pipes that were installed recently. I'm in the market for a new exhaust and needing some opinions on what you guys think would sound good?

also for got to add that currently my test pipes are making a bad rattle sound and I've looked under the car when it was on a lift and even had a performance shop here check it out and they said it was fine but still continues the issue anyone know what this is??
It's a resonance characteristic of the motor -- probably sounds real bad on coast down around 2K RPM...

Are the TP's resonated? If not, I'd swap in a set for less rasp.

Other than that, you will hear some rasp with any set-up -- it might be a bit less if you switch from a Y to a H-pipe as the H equalizes the pressure waves coming from each bank and helps neutralize the harsh resonance.
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