I live in Western Nevada, where we are surrounded by wildfires this Summer (2018). Craftsman no longer carries the spark arrestor for my 20 year-old tractor, so I installed a Pro Circuit arrestor over the outside of the exhaust pipe like a windsock - secured with a stainless steel hose clamp. It works perfectly! The mesh is very heavy-duty, and it doesn't produce any loss of power for my tractor.
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My sons bike didn’t have a spark arrestor so we easily modified this to work on his stock muffler. We thought we should have one for trail riding. It does give make his bike a little louder and throaty sounding since the opening is almost a full 1” compared to the washer at 1/2”. Similar to when you simply take the washer off. He loves it. When trail riding though we just put the end muffler washer over it to quite it down. We bought the smaller duals mini. The screen that goes into the bike is 4” total length and a little 1” at the widest width. The end cap is @2 3/8”.
Spark arrestors I ordered were as ordered, but being new to the sport they could have done a better job by giving instructions on how to install them, I don't know if I installed them properly or not. But being mechanically inclined helps out a lot. Some minor cutting and drilling plus re-riveting stuff back in place and the mufflers are back in place and don't seem to have any power loss. The only thing I did run across is that it changes the way you have to start the bike cold.
Last long and passes everything with ease
Not much to say. Didn't lose any performance and now I can ride on state trails. Good product that slipped right in.
Fit my Pro Circuit T-4 Ehaust on my 2005 CRF250R perfectly. Didn't feel any power loss or gain. Held up threw a couple of races so far. Easy install slides right in like a wet prom queen.
what in the world are u supposed to write about a spark arrester? ok yea no more sparks are coming out of my exhast... so i guess it works.
The Dual/Mini (PC4000-0002) Pro Circuit Spark Arrestor will fit 3.5" or 4" four-stroke silencer cans. This is a 1 1/2" spark arrestor screen for CRF duals & mini 3.5" cans.
Feel free to give us a call at 888-676-8853 and we would be happy to help you out with your order.
Screen Size: 1 1/2"
This Pro Circuit Spark Arrestor is United States Forest Service approved (USFS), and will fit 3.5" or 4" four-stroke silencer cans. This is a 1 1/2" spark arrestor screen for CRF duals & mini 3.5" cans.
The second screen pictured (single) Fits The Following Pro Circuit Exhaust: 2006 and older
This Pro Circuit Spark Arrestor is United States Forest Service approved (USFS), and will fit 3.5" or 4" four-stroke silencers. This spark arrestor screen is for big bikes 2006 and older.
Also, feel free to give us a call at 888-676-8853 and we would be happy to help you out with your order.
Outer diameter of the opening is 2-3/8”
Inner diameter of the opening is 1-11/16”
Whole piece is 3 ¾” long