FMF Factory 4.1 RCT Slip-On W/Carbon Endcap KTM/HQV 250-450 16-18
SKU: 79-40415
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Description
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Reviews
★★★★★
5/5 Stars out of 6 Reviews
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Excellent
Recommended: Yes
By Raymond Miller
(Tennessee)
| May 30th, 2018
Open up your bike and let it breath! This is my first 4.1 and Im impressed. Very well made and sounds great. Best part is the power gain. Do note that if you putting this on an EXC then you will need some sore of EFI tuner or race ECU to richen up the engine. I changed out the stock graphics for the KTM graphics.
Pros: performance|lighter|fit & finish
Cons: cost (maybe)
Recommended: Yes
By Dwaine Skidmore
(Spokane)
| April 14th, 2019
Put on a 500excf thing sounds deep watched tons of YouTube videos that dont do it justice. 100% satisfied matched it up with a jd tuner and a smog delete feels like what it shouldve been for 10grand from the factory
Recommended: Yes
By Paul Dicarlo
(Boston)
| May 6th, 2019
This exhaust looks great and sounds crazy loudddd give alot of power to the bike everything change on how the bike look and handle
Recommended: Yes
By aneuris rod
(New York)
| August 2nd, 2019
I bought this muffler initially as a slip on for my stock header and then down the line purchased the titanium megabomb header for it. The muffler weighs about a pound less than stock and looks really good has a little more poppy sound as well. Once paired with the megabomb header there were noticeable power gains.
Pros: looks good|sound|weight
Cons: price
Recommended: Yes
By Austin Downing
(San Marcos CA)
| September 30th, 2019
Nice looking exhaust that fits really good with stock header. nComes with spacer for use of stock header plug for washing and spark arrester insert which is optional to use.nSounds very nice and I did not feel any need for jetting changes.nSuper fast shipping!
Recommended: Yes
By Jose Vazquez
(Illinois)
| March 2nd, 2020