Review: MotorDyne Shockwave))) E370 Exhaust

Staples

V1H, those are rubber dampers to alleviate vibration and "hiss" from the OEM exhaust. (The pic you posted asking)

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'08 Infiniti G37s - Forced Induction Fed

V1H

Ah interesting. Still not sure how they'd actually work. Coz there's merely a weight suspended on rubber and a weird straight stiff wire poking through a small hole. It looks purposeful but its function is beyond me.
Maybe it acts a kind of counterweight and somehow is engineered to vibrated in sync with the pipe but with a phase delay of Pi, thus cancelling vibration.. a bit like noise cancelling "anti-sound" The wire-through-hole must be limiting the deflection/amplitude of the counterweight vibration, perhaps it makes it more broad-band (less sharp a resonance curve) or keeps the phase delay at Pi
Just speculating here

instroke

Anyone by chance have this exhaust with a BP Turbo?