FMF Racing

FMF Racing KX250F 19 S/S Factory 4.1 RCT Slip-On - 042374

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SKU:
FMF042374
UPC:
042374
MPN:
042374
Availability:
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MSRP: $599.99
$583.23
— You save $16.76

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Description

Does the FMF Factory 4.1 RCT Full System require specific tools for installation?
FMF Factory 4.1 RCT Full System installation requires professional expertise and specialized tools for optimal performance and fitment.

How much power can I expect from the FMF Factory 4.1 RCT Full System?
Experience massive power gains throughout the entire RPM range with the FMF Factory 4.1 RCT Full System, optimizing engine efficiency.

FMF Factory 4.1 RCT Full System delivers massive power gains throughout the RPM range, achieving a score of 10 for Engine Performance. Utilizing FMF Resonance Chamber Technology and aerospace-grade materials, this muffler ensures superior exhaust flow and responsiveness. Confidently install this premium exhaust system for exhilarating performance.

What Owners Say

Owners and enthusiasts recognize the FMF Factory 4.1 RCT full system as a serious upgrade aimed at competitive riders rather than casual users. The full titanium construction delivers noticeable weight savings compared to stock exhaust systems, and riders appreciate the performance gains when paired with other modifications like fuel mapping and high-compression pistons. Some admit the difference from stock is subtle for recreational riding, with one owner noting "it seems fine" but questioning whether the premium price justifies the upgrade for less demanding applications. The consensus leans toward recommending this system primarily for fast B or A class racers running modified setups, where the FMF Factory 4.1 RCT has earned its reputation as a quality performance component.

Key Features

  • FMF Resonance Chamber Technology
  • shorter overall length
  • Factory Forward Engineering
  • aerospace grade materials
  • Blue anodized titanium muffler with carbon end cap
  • Massive power gains throughout the RPM range

Why Choose the FMF Factory 4.1 RCT Full System

Delivers a deeper, more resonant exhaust note for an exhilarating ride.

Achieves a more compact profile for improved handling and weight distribution.

Provides optimized exhaust flow for maximum engine efficiency and responsiveness.

Transforms your KX250F with aerospace-grade durability and a race-inspired aesthetic.

Who Is This For?

Engine Performance — 10/10
Massive power gains throughout RPM range.

Racing Competition — 9/10
Premium performance, massive power gains.

Track / Autocross — 9/10
Premium performance, massive power gains.

Street Performance — 8/10
Massive power gains throughout RPM range.

Visual / Aesthetic Upgrade — 8/10
Blue anodized titanium with carbon end cap.

Weekend Off-Roading — 7/10
Massive power gains, durable materials.

Frequently Asked Questions

Will the FMF Racing FMF Factory 4.1 RCT Full System fit my vehicle?

Confirm fitment with your vehicle to ensure compatibility with your specific model and year. Proper fitment is essential for optimal performance and secure installation. This ensures the system integrates seamlessly with your motorcycle's existing setup.

How difficult is the FMF Racing FMF Factory 4.1 RCT Full System installation?

Professional installation is recommended for the FMF Racing FMF Factory 4.1 RCT Full System. Consulting a qualified technician will ensure correct setup and maximize the system's performance benefits. This approach guarantees an expert fit and finish.

What performance improvement does the FMF Factory 4.1 RCT Full System provide over stock?

Massive power gains throughout the RPM range are delivered, scoring a 10 for Engine Performance. This system optimizes exhaust flow for maximum engine efficiency and responsiveness. Experience a truly exhilarating ride with enhanced power delivery.

Is the FMF Racing FMF Factory 4.1 RCT Full System worth upgrading from OEM?

Upgrading to the FMF Racing FMF Factory 4.1 RCT Full System is worth it for the massive power gains and optimized exhaust flow it provides. This aerospace-grade titanium muffler transforms your motorcycle with superior performance and a race-inspired aesthetic. Embrace a significant leap in engine responsiveness.

What materials is the FMF Racing FMF Factory 4.1 RCT Full System constructed from?

Aerospace-grade materials are utilized in the construction of the FMF Racing FMF Factory 4.1 RCT Full System for exceptional durability. The blue anodized titanium muffler with a carbon end cap offers both resilience and a striking, race-inspired look. This ensures long-lasting performance and style.

Vehicle Compatibility

YearMakeModelSubmodel
2019–2020KawasakiKX250Base
2017–2020KawasakiKX250FBase
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Warranty Information

This Part Fits:

YearMakeModelSubmodel
2019-2020KawasakiKX250Base
2017-2020KawasakiKX250FBase
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Additional Information

Clearance Item:
N
MPN:
042374
Proposition 65:
N
Case Lot Quantity:
1
Category:
Exhaust, Mufflers & Tips>Muffler
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