I've recently detected a much 'sportier' sound coming from my 885ksq -- sounds like the beginnings of an exhaust leak, but I haven't been able to find it yet. Seems to go away after warm up. Just wondering if there is a well-known exhaust manifold failure mode on the NA 5Ks, or anything else I should be looking for... Brian Titus 885ksq (w/brand new AGLA shift boot!)