Home » FMF 4.1 RCT Titanium Anodized Slip On Exhaust - Kawasaki KX450F / X (2019-2023)
FMF 4.1 RCT Titanium Anodized Slip On Exhaust - Kawasaki KX450F / X (2019-2023)
FMF Racing

FMF 4.1 RCT Titanium Anodized Slip On Exhaust - Kawasaki KX450F / X (2019-2023)

SKU: FMF042371
No reviews
In stock
$749.99
Product details
  • Type Exhaust
  • MPN 042371
Compatible Models +
Make & Model Year Range
KAWASAKI KX450F 2019 - 2023
KAWASAKI KX450X 2021 - 2023
KAWASAKI KX450SR 2022 - 2023

Overview

The FMF Factory 4.1 RCT Titanium Slip-On Exhaust is built for riders who demand performance, weight savings, and durability. With its blue anodized titanium canister and carbon fiber end cap, this slip-on offers big power gains across the RPM range and a sleek, race-ready look. Engineered using FMF’s cutting-edge Resonance Chamber Technology™ and Factory Forward Engineering, it’s a serious upgrade for any high-performance build.

Key Features

  • Lightweight Titanium Construction: Built entirely from aerospace-grade titanium for maximum strength and minimal weight.
  • Blue Anodized Finish: Striking looks with added corrosion resistance.
  • Carbon Fiber End Cap: High-performance, impact-resistant, and race-proven.
  • Massive Power Gains: Delivers more horsepower and torque across the powerband.
  • RTS (Rapid Tuning System): Allows fast tuning without disassembling the muffler.
  • Shorter Design: Positioned closer to the motor for centralized mass and less crash vulnerability.
  • Resonance Chamber Tech™: Reduces noise while boosting flow and performance.
  • Made in the USA: 100% built at FMF’s Southern California facility.

Specifications

  • Type: Slip-On
  • Configuration: Single
  • Construction: Titanium
  • Finish: Blue Anodized
  • Midpipe: Titanium
  • Endcap: Carbon Fiber
  • Spark Arrestor: Screen Insert (included)
  • Quiet Insert: 94dB Insert (included)
  • Weight: 7.0 lbs.
  • Carb Warning: No

If you’re looking for real gains in performance with a sleek, ultra-light design, the FMF 4.1 RCT Titanium Slip-On is the upgrade you need.

WARNING: Closed Course Use Only

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!

Let customers speak for us

from 25 reviews
Great service

Was looking for the limited addition new glory harnesses and sent a message to make sure they had them in stock. Got a quick response and went ahead and ordered he shipped them out next day. Super happy with the service.

Jeremy Blay
PRP Seats 5.3 SFI 5-Point Harness
Cobra CX 65 ASV LEVERS

Theses levers are great for riders with smaller hands. Red Plate Powersports had the best service and pricing on these levers.

Nick
6D ATR-3 Helmet - Wave Gloss Cyan Blue Purple
Great value and fits perfect!

I’m really happy with my purchase!

Devin Ketel
Aftermarket Minis Billet Oil Fill Cap - Yamaha PW50
Fast shipping, accurate order

AND THANK YOU FOR ALL THE AWESOME SCHWEEEET STICKERS !!!! Y’all rock & stuff

SEAN SELMAN
K&N Oil Filter KN-652 - KTM / GASGAS / Husqvarna 250-450cc

Just bought a 6d helmet...and we are very happy with the great service from Ryan would use Redplate again and we live in north idaho

Ryan
6D ATR-3 Helmet - Wave Gloss Cyan Blue Purple
Quality

Great item to customize your flying machine cockpit, quick shipping and great customer service from redplate!

Zachary Dienger
ASV Rotator Clamp - Front Brake (fits all bike-quad front brake master cylinders)

Correct and on time

Keith Turner
Aftermarket Minis Taper Steering Bearing Kit - Yamaha PW50
ASV lever

Excellent service and reached out to make sure I got what I needed. Got the lever in under a week here in Kentucky. Actually ordered another for another bike because of service.

Lee Francis
ASV F4 Series COBRA MOTO CX65 Front Brake & Clutch Levers
Awesome product

I was really hoping for this lever to help my 4 year old on his stacyc and it made a huge difference. Closer to the bars, easier for him to squeeze as he is 4 and all around great lever. Super happy with the purchase.

Dylan Fernandes
ASV F3 STACYC 12e / 16e / 18e / 20e Reduced Reach Brake Lever
Vehicle Filter

Filter Your Vehicle