RLV 4104 "Stock" muffler (B91XL 1-5/16") This is the spec muffler for "stock" 4cycle classes and BP clone class in WKA, FKA, AKRA etc.
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I put this thing on a 420 Predator with a Robertsons torktube for golf cart sounds great ...
Just what I wanted for my 420 golf cart project thanks Tom
I did a stage 1 upgrade for my Champion 196cc clone. I'm running a Robertson's Torques Tube, the straight pipe, somewhat similar to a weniie pipe for go-kart racing. I needed a muffler, but the threads had gotten jammed and seized with another screw in-type muffler. I hack to hacksaw it off, then use a slip on type muffler like this. I use this with a mud motors, so I bought this as a spark arrestor more than anything. I often worry about a back fire starting a wildfire when pout in the wilderness. Great silencer. great sound as well.