Top Race Muffler Comparison

Dynomax Race Bullet 24250 Exhaust Resonator

ULTRA-COMPACT DESIGN -- Features a lightweight, 100% welded ultra-compact design for maximum durability and is ideal for vehicles with limited space.
PREMIUM ACOUSTIC CONTROL -- Exclusive Continuous Roving Fiberglass (CRF) technology absorbs unwanted interior resonance for sound reduction while maintaining a deep race tone.
ENGINEERED TO LAST -- 100% stainless-steel construction delivers longer life versus aluminized mufflers.
FLEXIBLE SOLUTION -- Customizable design offered in a variety of styles and sizes for universal fitment (may require specialized fabrication and/or welding).
SPECS -- Available in 3.5-in. to 4-in. body diameter.
3-in. to 4-in. inlet/outlet configurations.
see product specifications for more information.
PERFORMANCE UPGRADE -- Use premium DynoMax accessories when installing DynoMax Race Series Bullet muffler for a complete exhaust system upgrade.

The CRF's new engine and muffler configuration gave Yoshimura the opportunity to create an entirely new system built specifically for the new Honda machines.
Introducing the all-new Signature Series RS-9T tapered dual muffler exhaust system for the all new CRF Hondas.
Yoshimura has been working tirelessly on development with American Honda HRC's engineers to achieve maximum performance and mass centralization, to optimize rider usability.
Working with HRC race engineers and the all-new engine and its unique downdraft fuel injection system, Yoshimura was able to deliver an exhaust that provides more tractable power and improved torque.
Image is for reference only, actual product may vary based on the part number and fitment.

Brand New Flowmaster Super 10 Series Chambered Muffler, 3.00" Center In, 3.00" Center Out, Black Finish (Holley Part #843015).
Super 10 Series 409S stainless steel, single chamber mufflers. Intended for customers who desire the loudest & most aggressive sound that they can find. Because these mufflers are so aggressive, they are recommended only for off highway use & not for street driven vehicles..
These mufflers utilize the same patented Delta Flow technology that is found in other Flowmaster Super series mufflers to deliver maximum performance. Constructed of 16 gauge 409S stainless steel & fully MIG welded for maximum durability..
Features: Intended only for off-road or race applications | Delta Flow Technology | 409SS Stainless Steel Construction | Super 10 Sound Level.
NOTE: Universal Muffler - Some adaptation may be required..

When designing the PowerCore 4, FMF looked at their top of the line products to deliver race-inspired performance at an economical price..
The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank..
Durable stainless steel and aluminum construction..
Space Age internal packing material for maximum longevity..

– Stainless Pentagonal-shaped sleeve w/ Carbon Fiber End Cap — Stainless Tail-pipe.
– Front muffler cap functions as a polyresonant chamber which helps reduce noise.
YOSHIMURA Race RS-4S Stainless Full System for 2012-2016 Ninja 650.

Heavy gauge shell for maximum durability.
Expandable bushings for custom applications, Available stainless steel or painted.
Continuous Roving Fiberglass for powerful tone and long life, Straight through design for maximum flow and power.
Muffler Body Height: 3.5″, Muffler Body Length: 26″, Muffler Body Width: 3.5″ , Muffler Body Material – Aluminized, Muffler Inlet Configuration – Center, Muffler Outlet Configuration:Center,Muffler Outlet Connection Type: Pipe Connection,Muffler Outlet Diameter:2.25″.
Muffler Inlet Connection Type: Pipe Connection, Muffler Inlet Diameter: 2.25″, Muffler Inlet Diameter Designation: Inside Diameter , Muffler Overall Length: 31″ , Muffler Shape:Round.