FMF Racing® - Factory 4.1 RCT™ Slip-On Muffler with Stainless Mid Pipe

2 reviews|Item # mpn4565170674|Similar Products
$494.99
OUT OF STOCK - Unavailable until further notice
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Vehicle Fitment

MakeModelYear
HusqvarnaFC250 2016-2021
FC450 2016-2018
FE250 2017-2019
FE350 2017-2019
FE501 2017-2019
KTM250 SX-F 2015-2020
250 XC-F 2016-2018
350 EXC-F 2017-2020
350 SX-F 2016-2020
350 XC-F 2016-2020
450 SX-F 2015-2018
450 XC-F 2016-2020
500 EXC-F 2017-2019

Product Details

Factory 4.1 RCT™ Slip-On Muffler with Stainless Mid Pipe by FMF Racing®. The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, FMF achieve a shorter overall length that is less susceptible to crash damage and complementary to FMF 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 FMF exacting specifications and is manufactured 100% at FMF Southern California factory

Notes

  • Remember to check your local or state laws regarding vehicle noise restrictions
  • This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. Shipping Restriction: CA, NY, ME

Specifications

Exhaust Type: Slip-On Muffler

Features

  • All new incorporating the latest in Resonance Chamber Technology
  • Patented core shape lowers sound level while maintaining maximum power output
  • Patented canister shape increases internal volume for more sound absorbing material
  • Patented chamber design to enhance and refine exhaust pressure
  • Factory Forward Engineering centralizes mass and is less prone to crash damage
  • Tuned exhaust with optimized core specifications for each application
  • Innovative rear end cap for simple installation of tuning tip inserts or spark arrestor
  • Titanium mid-pipe for extreme light weight
  • Designed for your exhaust system needs
  • Will deliver unparalleled performance
  • Exquisite workmanship and great longevity

Over the decades, FMF Racing® has seen an amazing transformation in the world of motorcycles and ATVs. The progression of the technology is one of the challenges that keeps them going. FMF was there in the days when the singleshock and watercooled engines were huge innovations and FMF is glad to be here now for the aluminum chassis and electronic fuel injection. The goal will never change - take the most advanced machinery to its limit by building the world's best performing exhausts. And its a fact, FMF build every exhaust by hand from start to finish right here in the U.S.

Part Number:
045594

Reviews

(2)
Only authorized customers can leave a review on our website. We would love to know what you like or dislike about the product. Share your opinion on product quality, appearance, installation, and other characteristics.
FMF Racing® - Factory 4.1 RCT™ Slip-On Muffler with Stainless Mid Pipe
/5
1-2 of 2 Reviews
5 of 5
High-Performance Exhaust
FMF Racing® - Factory 4.1 RCT™ Slip-On Muffler
This exhaust is shorter and lighter than my original muffler, and sits closer to the engine. My YFZ450R breathes easier with this exhaust, resulting in a significant power boost, especially at higher RPMs. And yeah, the carbon-fiber exhaust cap looks really cool.
Posted by Kathleen (Washington Dc., DC) / May 05, 20192011 Yamaha YFZ450R
Easy-to-install product with a bit more powerful sound at low RPMs. Expected it to sound more aggressive at higher RPMs. Pleased with its finish and look.
Posted by Wali (Warr Acres, OK) / April 05, 20192018 Suzuki RMZ450

Questions and Answers

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