Quote:
Originally Posted by Smokey Nagata
Im running AAM resonated test pipes and have a noticeable "hiss" on decel when letting off the throttle it is a short airy noise, not long or extended burst its really not even intrusive tbh and my Z1 14-lb flywheel makes more then enough noise to cover it up once it gets hot  |
Hmmm my noise seems more metallic than airy but I suppose it could be the same thing. My test pipes are unresonated so that could make it worse in my case.
The sound will also continue to ‘rattle’ for as long as I decelerate or coast <2500 RPM. (Think coasting/engine braking down a hill)
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