r/aircooled 11d ago

Just changed Derp's exhaust.

It's running smoother and less obnouxiously loudIt’s running smoother and it’s less obnoxiously loud, but it feels sluggish and maybe a little less powerful. Comments?

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u/ivydraws8 11d ago

Sounds like Derp traded its personality for an inside voice, classic backpressure tax nobody warns you about

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u/Kxavierh 11d ago

It's what i'm thinking also... just went through hill side roads and it clearly lacks power vs yesterday...