FMF Factory 4.1 RCT Slip-On W/Carbon Endcap KTM/HQV 250-450 16-18

SKU: 79-40415

Purchase FMF Factory 4.1 RCT Slip-On W/Carbon Endcap KTM/HQV 250-450 16-18
$649.99
★★★★★★★★★★ (6 Reviews)
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Description

FMF Factory 4.1 RCT Slip-on with Carbon Fiber Endcap - KTM/Husqvarna 250-450 SX-F/XC-F/FC/FE/FX 2016-2018

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology ™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.

  • Massive Power gains throughout the RPM range.
  • Huge weight savings
  • New RTS (Rapid Tuning System)
  • FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.
  • Can be used with FMF or Stock OEM Header
  • Item ID: 045595
  • Type: Slip-On
  • Configuration: Single
  • Const: Titanium
  • Finish: Natural
  • Endcap: Titanium
  • Spark Arrestor: Screen Insert (included)
  • Quiet Insert: 94dB Insert (included)
  • Weight: 4.2 lbs.

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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
BRRRRAAPPP!
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 15th, 2019
Every thing I wanted
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 7th, 2019
ADD MORE POWERDEEP SOUND
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
FMF Factory 4.1 slip on muffler
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
FMF 4.1 KTM 450
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 3rd, 2020
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FMF Factory 4.1 RCT Slip-On W/Carbon Endcap KTM/HQV 250-450 16-18

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