Originally Posted by Breezmister
Are both trimmers the same CC ? If they are, you should beable to.
If the T2510 is larger (CC) There might be a problem with back pressure using the T20 muffler....
A good point, I was just wondering if the thing would fit up. I got 3 of these 4 mix units 3 years ago and have little use for any more. Just trying to get a little more use out of em.