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EC Mini Bike/Go Cart Header
5463MB EC High Flow Header for Mini Bikes and Go Carts
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EC Mini Bike/Go Cart Header

Part Number: 5463MB
Online Price: $37.95
5463MB Exhaust Header – Fits Predator 212, GX200, Clone Engines
Availability: In Stock.

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Description

5463MB High-Flow Exhaust Header – Fits GX200, Predator 212, Clone, Tillotson Engines


Unlock more torque and horsepower with the 5463MB Performance Exhaust Header, designed to dramatically improve exhaust flow on GX200, Clone, Predator, and Tillotson engines. Engineered for high-output small engine applications, this header is a proven bolt-on performance upgrade for mini bikes, go-karts, and racing builds.


Dyno-Tested Performance Gains

Through extensive dyno testing, we found that the stock exhaust system is one of the most restrictive components on these air-cooled industrial engines—far more than the stock air box. Simply swapping the factory exhaust with our 5463MB staged header unlocks immediate gains in torque and throttle response, especially at low to mid RPMs.

Fact: Modifying the air intake only yields benefits once the restrictive stock exhaust is removed.


Optimized for Flow & Fit

The 5463MB features a high-flow staged design to improve scavenging and reduce back pressure, giving your engine the breathing room it needs to make more power. It comes with a standard 1.75" center-to-center flange stud spacing to fit most popular small engines.


Header Fitment:

  • Predator 212 (Hemi & Non-Hemi)
  • Honda GX160 / GX200
  • Tillotson 196R / 212R / 225RS
  • 196cc / 212cc Clone Engines

Flange Bolt Spacing: 1.75" (center-to-center)
Exhaust Outlet: 1-5/16" OD – compatible with most RLV mufflers


Muffler Options (Sold Separately):

  • Maximum Performance (No Muffler): Run open for best flow & max power
  • Low Restriction: RLV B91MO (Part #4106) – 1-5/16"
  • Quietest Option: RLV B91XL (Part #4104) – 1-5/16"


Why Choose the 5463MB Header?

  • Dyno-proven torque & power gains
  • Improves throttle response and scavenging
  • High-flow staged pipe design
  • Bolt-on installation with OEM-style flange
  • Fits most popular karting and mini bike engines


Upgrade your engine’s breathing and feel the power gains immediately with the 5463MB High-Flow Exhaust Header—a simple, affordable way to unlock serious performance.

FAQ

What engines will the 5463MB Exhaust Header fit?

The 5463MB header fits most small-block industrial engines with 1.75" flange stud spacing, including:

  • Predator 212 (Hemi & Non-Hemi)
  • Honda GX160 / GX200
  • Tillotson 196R, 212R, and 225RS
  • Clone 196cc / 212cc engines
  • Wildcat 223/240


What are the performance benefits of this header?

Replacing the restrictive stock exhaust with the 5463MB staged header allows for better exhaust scavenging, reduced backpressure, and increased torque and horsepower, especially at low-to-mid RPM ranges.


Can I use this header with a muffler?

Yes! The outlet is 1-5/16" OD and works with many RLV mufflers:

  • RLV B91MO (Part #4106) for lower noise with minimal restriction
  • RLV B91XL (Part #4104) for the quietest operation

Running open (no muffler) will provide maximum performance, but it will be loud.


What is the flange bolt spacing on the 5463MB?

The flange bolt holes are spaced 1.75 inches (center to center), which fits most Predator, Honda GX, Tillotson, and clone-style engines.


Do I need to rejet my carburetor after installing this header?

Yes, we recommend rejetting your carburetor to match the increased airflow. Running lean can damage the engine. Pairing this header with an upgraded air filter and proper jetting will maximize performance.

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