Select Your Ride

1
2
3

FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 045637

Part Number: 18201874
FMF
(No reviews yet) Write a Review
SKU:
18201874
MPN:
045637
Condition:
New
Availability:
Ships Same Business Day
Weight:
9.00 LBS
$1,329.99

Ships from Manufacture | Call to Order (231) 767-5055

Prop 65 Warning Prop 65 Warning cancer & reproductive harm Price Match Call for more info on price match does not include 3rd party ads

Description

If you're running a high-performance off-road machine, exhaust flow is where real gains happen—and the FMF 4.1 RCT delivers measurable power across the entire RPM range while cutting significant weight. The Factory 4.1 RCT's centralized design reduces unsprung mass and crash vulnerability, keeping your bike responsive and your setup intact when things get aggressive. Built entirely from aerospace-grade materials at FMF's Southern California facility, this system represents the precision engineering that separates premium exhausts from the rest.

  • FMF Resonance Chamber Technology™
  • Anodized titanium construction
  • Shorter, crash-resistant length
  • Centralized mass positioning
  • Includes MegaBomb header
  • Spark arrestor screen insert
  • Rapid Tuning System (RTS)
  • Aerospace-grade materials
  • 100% California-manufactured
  • Significant weight reduction
  • Power gains full RPM
  • Bolt-on installation
  • MPN: 045637
View AllClose

Specs

PIPE MATERIAL:
TITANIUM
PRODUCT NAME:
EXHAUST SYSTEM
MUFFLER MATERIAL:
TITANIUM
END CAP MATERIAL:
CARBON FIBER
UNITS:
EACH
MODEL:
FACTORY 4.1 RCT
MUFFLER COLOR/FINISH:
ANODIZED BLUE
RIDING STYLE:
OFF-ROAD
TYPE:
FULL SYSTEM
View AllClose

0 Reviews

View AllClose

Fitment

Fitment for FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 045637

View AllClose

FREE Shipping on orders of $99 or more!


Commercial Accounts

We offer tax-free commercial accounts, providing businesses with significant savings and streamlined benefits.



Easy 30-Day Returns

We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.


You May Also Like

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER