I bought this when I was going to ride up in the mountains and in idaho you are required to have a spark arrestor. I went the week before I had it and put my stock pipe back on. I had a lot of back pressure with it. Man up and grow in the mountains after I got this spark arrestor for my doctor D pipe and love it. I ride from anywhere from 6008 to 10,000 feet and the performance of my bike never changes. Dr. D products are great I love them.
Dr. D NS-4 Spark Arrestor Kit
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Over 3 years ago Idaho
4 out of 5 stars
Over 3 years ago
5 out of 5 stars
Anything I get from Motosprort is alway great
- Answered: 8
- Not Yet: 0
Question asked by jaredlinsel
Question:Q: I am looking for a spark arrestor for my CRF250R 2018 that dosent involve changing the exhaust completely or involve a slip on would this fitQuestion asked 29 days ago
Question answered by PaulUser's contributor status: Top 10Question answered 29 days agoAnswer: A: The Dr. D NS-4 Spark Arrestor Kit might not do what you need. The Dr. D NS-4 Spark Arrestor Kit is intended to fit only the Dr. D NS-4 Muffler.
Honda designed the CRF250R to be a purpose-built motocross race bike, for race track use only. It's not a trail bike. The original Honda muffler is not set up to add on a spark arrestor.
Question asked by Nelsonjs10
Question:Q: Will this fit on a ktm 350 xcf DR.D. ns4 mufflerQuestion asked 1 year 5 months ago
Question answered by rknightUser's contributor status: Top 25Question answered 1 year 5 months agoAnswer: A: As long as you have the NS4 muffler this will work.
Question asked by Ethan
Question:Q: I have a DRD NS-4 exhaust and this spark arrestor will not fit into the end.Question asked Over 3 years agoI tried to remove what looked like an insert of sorts from the pipe but it would not come out and i didn't want to damage it. This spark arrestor is too big around at the end to slide into my tailpipe. Am I missing something?
Question answered by EthanUser's contributor status:Question answered Over 3 years agoAnswer: A: Make sure to call and verify that the make and model of you bike has the correct diameter of pipe on it to fit this spark arrestor.
Question asked by Danny
Question:Q: I have an older style drd, can I buy this spark arrestor and weld it in?Question asked Over 4 years ago
Question answered by MotoSportExpertUser's contributor status: Expert MotoSport StaffQuestion answered Over 4 years agoAnswer: A: This Spark Arrestor Kit is designed for DR.D NS-4 Exhaust. You may be able to make it work with modifications but fitment can not be gurenteed. I would contact Dr D directly at (877) DUBACH1 (382-2241).
Question asked by Geoff
Question:Q: Does this insert work on the original style yfz450 Drd muffler with the metal end cap?Question asked Over 4 years ago
Question answered by MotoSportExpertUser's contributor status: Top 10Question answered Over 4 years agoAnswer: A: No. This only fits the newer NS-4 series of exhaust
Question asked by Danj
Question:Q: What size pipe will this screen fit in? I have a 7/8" silencer I want to put a spark arrestor screen in.Question asked Over 5 years ago
Question answered by MotoSportExpertUser's contributor status: Top 10Question answered Over 5 years agoAnswer: A: Dr. D NS-4 Spark Arrestor Kit ONLY works with the DRD brand exhaust systems. They have revised the item from what is pictured to work with the NS-4 systems. They will not work with other mufflers or applications.
Question asked by Tony
Question:Q: Is there a spark arrestor screen that will fit in a stock ktm 300xcw silencer?Question asked Over 5 years ago
Question answered by MotoSportRyanTUser's contributor status: MotoSport Staff ExpertQuestion answered Over 5 years agoAnswer: A: I do not show any spark arrestor that would work with the stock silencer on your 2007 KTM 300 XC-W. You will more than likely have to purchase a new silencer with a spark arrestor. I would recommend looking at the FMF TurbineCore 2 or the Pro Circuit Type 296 Spark Arrestor
Question asked by Doug
User's contributor status: Top 1000 Verified Purchaser
Question:Q: Does it fit the stock exhaust?Question asked Over 6 years ago
Question answered by MotoSportExpertUser's contributor status: MotoSport StaffQuestion answered Over 6 years agoAnswer: A: No this spark arrestor will not fit the stock exhaust. It only fits the DR.D NS-4 exhausts. For your stock exhaust on the 2011 YZ450f, the only option is the Pro Moto Billet end cap that gives you option to run the included spark arrestor. If you give us a call, we can provide provide pricing and availability of this item for your bike.