Home » FMF 4.1 RCT Titanium Exhaust System - Kawasaki KX 450F / X (2024-2025)
FMF 4.1 RCT Titanium Exhaust System Kawasaki KX 450F / X (2024-2025)
FMF Racing

FMF 4.1 RCT Titanium Exhaust System - Kawasaki KX 450F / X (2024-2025)

SKU: FMF042406
No reviews
Out of stock
$1,374.99
Product details
  • Type Exhaust
  • MPN 042406
Compatible Models +
Make & Model Year Range
KAWASAKI KX450F 2024 - 2025
KAWASAKI KX450X 2024 - 2025

Overview

Push your Kawasaki KX 450F or X (2024–2025) to peak performance with FMF’s Factory 4.1 RCT Titanium Exhaust System. Featuring a blue anodized titanium muffler, Megabomb header, and carbon fiber end cap, this full system is built for maximum power gains, weight savings, and razor-sharp handling. It’s the same factory tech trusted by pro teams—ready to bolt onto your ride.

Key Features

  • Complete Race System: Includes FMF’s 4.1 RCT slip-on and Megabomb titanium header.
  • Resonance Chamber Technology™: Internal and external chambers boost power and reduce sound.
  • Massive Power Gains: Broad RPM improvements with stronger low-end and over-rev performance.
  • Weight Savings: Aerospace-grade titanium construction cuts serious weight compared to stock.
  • Crash-Resistant Design: Shorter muffler reduces damage and improves mass centralization.
  • Rapid Tuning System (RTS): Easily adjust with included inserts for noise and power tuning.
  • Made in the USA: 100% built in FMF’s Southern California facility.

Specifications

  • Fitment: Kawasaki KX 450F / X (2024–2025)
  • Item ID: 042406
  • System Type: Full Exhaust (Header + Slip-On)
  • Header: Megabomb Titanium
  • Muffler: Blue Anodized Titanium
  • End Cap: Carbon Fiber
  • Midpipe: Titanium
  • Spark Arrestor: Screen insert included
  • Quiet Insert: 94 dB insert included
  • Use: Closed Course Only

If you want podium-ready power with lightweight durability, the FMF 4.1 RCT full system is your KX’s ultimate upgrade.

Shipping Information

We strive to get your order to you as quickly as possible! Here’s what you need to know about our shipping policies:

Fast Shipping: Most items ship within the same day or within 48 hours of your order being placed.

Custom Orders: Please allow additional processing time for custom or made-to-order products.

Flat Rate Shipping: Enjoy $9 Flat Rate Shipping on all standard orders.

Free Shipping:

Orders over $90 qualify for FREE shipping!

Always FREE shipping on:

  • ASV Levers
  • Rough Country Products
  • S3 Power Sports Products

No Sales Tax Outside Minnesota: Since we only have a tax nexus in Minnesota, sales tax is only collected on orders shipped within MN.

Customers with shipping addresses outside Minnesota automatically save on sales tax—just one more way to get great value!

(Please consult your local tax policies for compliance in your area.)

We’re committed to delivering your products efficiently and reliably. Thank you for choosing us!

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