Hi Cornerstone, The older RTV 's had an external screen and it was only held on with a screw on the outside of the tailpipe. There was nothing inside .... My '05 RTV's arrestor never clogged up neither even with 4,250 hours on it-- because it came off right after purchase. I guess you could say it looked like the cap off of a power aid drink or something similar but not solid and having screen in the center..One little sheet metal screw holding it on..
I didn't put it back on. only the newer models have the internal arrestors. Maybe someone can verify when they became internal... I am gonna say 2011 but am guessing. bordercollie
I didn't put it back on. only the newer models have the internal arrestors. Maybe someone can verify when they became internal... I am gonna say 2011 but am guessing. bordercollie