Brief intermittent vibration noise when going up incline at 38-40 MPH on 2001 Acura TL

No noise under or over that range. Car has 128,000 mi. Other then that, runs fine

Asked by for the 2001 Acura TL
1 answer 2 comments
poss motor mount issue
Is this an expensive repair (providing that's what it is)?
can be around 200 to 400 depending on which mounts