Originally Posted by
BenFenner I thought I remember you telling me it was the 22" one? Maybe not. Maybe you said you didn't remember? It certainly looks longer than the 18" one. =/
Oh well...
Well I had to go out to the storage unit anyway so I looked at the box which is nice for larger hand tools (pry bar torque wrench etc). 12259 is the part #. so the dimensions are the same as you posted but it has a different finish.
I think I got even more muffler under my SE-R that I had when I lived back east. Dunno about the P10.
I will say that I think the magnaflow resonator is probably better for absorbing sound than the dynomax bullet in my pics.