FI Test Pipes Questions.

2011 Nismo#91

That's how I understood it. I think he has an exhaust leak because they are not there and no amount of RTV will get it working 100% IMO. And I think the rasp it because it's just non resonated test pipes, even with the stock exhaust your going to have some.

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bigaudiofanat

I don't mind rasp at all, but I'm getting a metal vibration sound at anything more then 25% throttle at any speed, louder the noise at higher RPM. It's boarder line a sound of resonator and a sound of vibration.

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Chuck33079

I've had it work just fine many times. The trick is to let it set up for longer than the instructions tell you to before you tighten everything down to spec. Most shops want to turn the cars over, so they just slap it on there, tighten everything down and give the car back.

The smell is normal, the rattle (assuming new test pipes in good condition) is not.

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2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent