Arctic Cat Catalyst 858 Carbon Fiber Mountain Muffler (Stainless Steel Body)

Upgrade to the Arctic Cat Catalyst 858 Lightweight Muffler and feel the difference of reduced weight and enhanced performance on every ride.

• Ultra-Lightweight: Weighing only 3.70 lbs, this muffler is a remarkable 14.65 lbs lighter than the stock option, dramatically improving handling and maneuverability.
• Premium Materials: High-quality carbon fiber and stainless steel ensure lasting performance in extreme riding conditions.
• Enhanced Sound Profile: Produces a clean, aggressive tone that complements the Arctic Cat Catalyst 858’s raw power.
• Precision Fit: Custom-designed for a perfect fit with the Arctic Cat Catalyst 858 platform, ensuring hassle-free installation.
• Mountain-Ready: Optimized for high-performance mountain riding, providing a sleek, lightweight solution for demanding riders.

Arctic Cat Catalyst 858 Carbon Fiber Mountain Muffler (Stainless Steel)

The Straightline Performance Carbon Fiber Mountain Muffler for the Arctic Cat Catalyst 858 is designed for riders who demand maximum weight reduction, premium materials, and exceptional fit and finish. Combining a genuine carbon fiber muffler body with polished stainless steel construction, this muffler delivers outstanding durability, aggressive styling, and significant weight savings for serious mountain riders.

Removing weight from the sled improves maneuverability, sidehilling performance, rider control, and overall responsiveness. The lightweight design helps create a more agile machine that is easier to throw around in technical terrain and deep snow conditions.

The genuine carbon fiber body offers exceptional heat resistance while maintaining an ultra-lightweight design. Combined with premium stainless steel inlet and outlet components, the muffler delivers excellent corrosion resistance and long-term durability in harsh riding environments.

The muffler produces a deep, aggressive performance tone under acceleration while remaining comfortable during normal riding conditions. The sound quality enhances the riding experience without becoming overwhelming, making it an excellent choice for both stock and modified Catalyst 858 machines.

Designed specifically for the Arctic Cat Catalyst chassis, this muffler offers exceptional fit and finish with a direct bolt-on installation. Every component is built to Straightline Performance standards, ensuring a premium appearance and long service life.

As with all high-performance carbon fiber mufflers, periodic maintenance is recommended. Carbon fiber mufflers are considered a serviceable component and should be inspected regularly. Depending on riding style and operating conditions, rebuilding or repacking may be required periodically to maintain optimal sound quality and performance.

For riders looking for the ultimate lightweight muffler upgrade for the Catalyst 858, the Straightline Performance Carbon Fiber Mountain Muffler delivers premium construction, outstanding sound, and proven performance.

Features & Benefits

• Genuine carbon fiber muffler body
• Premium stainless steel construction
• Lightweight mountain performance design
• Deep, aggressive exhaust tone
• Exceptional heat resistance
• Premium fit and finish
• Direct bolt-on installation
• Corrosion-resistant stainless steel components
• Compatible with stock and modified machines
• Premium appearance and craftsmanship
• Proven Straightline Performance quality

Carbon Fiber Maintenance Information

• Carbon fiber mufflers are a serviceable performance component
• Periodic repacking and rebuilding may be required depending on usage
• Regular inspection is recommended
• Aggressive riding conditions may require more frequent servicing
• Proper maintenance ensures maximum performance and longevity

Why Riders Choose This Muffler

• Premium carbon fiber construction
• Lightweight mountain-focused design
• Excellent sound quality
• Outstanding fit and finish
• Improved maneuverability
• Proven Straightline Performance durability

Installation Notes

• Direct bolt-on replacement
• No fuel calibration changes required
• Compatible with stock and modified machines

Vehicle Fitment

• Arctic Cat Catalyst 858
• Arctic Cat M 858
• Arctic Cat Riot 858
• Arctic Cat ZR 858
• Other compatible Arctic Cat Catalyst 858 applications

Kit Includes

• Straightline Performance Carbon Fiber Mountain Muffler
• Genuine Carbon Fiber Muffler Body
• Stainless Steel Components
• Installation Instructions

Fitment For: