"Customer service is priority #1 at Rocky Mountain ATV/MC. We value our customers and strive to be the best shopping experience- when you buy from us, you are buying lifetime service."
-Dan Thomas, CEO and Founder
We take pride in offering no hassle returns. In the event of a return, please call, email or chat with us to receive a solution to the problem. For apparel that doesn't fit quite right, Click here to see our Fit Guaranteed Program.
We will stand behind all products we sell with regards to manufacturing defects in workmanship and material. Most products are limited to the manufacturer's warranty. However, we will do everything in our power to take care of the problem.
The FMF Factory 4.1RCT (Resonance Chamber Technology) Titanium muffler is all new from FMF Racing and incorporates the latest in resonance chamber technology. A Patented core shape lowers sound levels while maintaining maximum power output, and the five –sided canister shape increases internal volume allowing for the use of more sound absorbing material. The new chamber design of the muffler also allowed FMF to enhance and refine exhaust pressure through a series of internal chambers while meeting FIM 2M-Max sound test as well as the AMA 94dB standards.
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.