Yoshimura RS-4 Race Full Exhaust System - SS/CF | Part# 146500D520

Yoshimura RS-4 Race Full Exhaust System - Stainless Steel with Carbon Fiber

Enhance your motorcycle's performance with the Yoshimura RS-4 Race Full System. Engineered for maximum power gains and distinctive sound, this premium exhaust features stainless steel construction with a sleek carbon fiber end cap. The RS-4's signature pentagonal muffler design delivers both aggressive aesthetics and superior exhaust flow.

Key Features:

• Pentagonal Muffler Design: Distinctive shape maximizes internal volume for improved flow
• Polyresonant Duplex Chamber: Balances sound quality and performance
• Two-Stage Core Baffle: Stepped design for customizable sound levels
• Spark Arrestor Compatible: Meets safety and noise regulations
• Sound Insert Ready: Adjustable sound output for street or track use
• Full System Design: Complete header-to-muffler for maximum performance

Construction & Materials:

• Stainless steel header and mid-pipe
• Carbon fiber muffler end cap
• Precision-welded construction
• Corrosion-resistant finish
• Race-proven durability

Performance Benefits:

• Increased Horsepower: Optimized exhaust flow unlocks hidden power
• Enhanced Torque: Improved mid-range and top-end performance
• Weight Reduction: Lighter than stock exhaust systems
• Improved Throttle Response: Reduced backpressure for quicker acceleration
• Signature Yoshimura Sound: Deep, aggressive exhaust note

Sound Customization:

The RS-4's stepped, two-stage core baffle allows for sound level adjustment. Use with optional sound insert for quieter operation on the street, or run without for maximum flow and aggressive sound on the track. Spark arrestor compatible for off-road and trail riding applications.

Specifications:

• Brand: Yoshimura
• Series: RS-4 Race
• Part Number: 146500D520
• Configuration: Full System
• Material: Stainless Steel / Carbon Fiber
• Muffler Shape: Pentagonal
• Weight: 14.01 lbs
• Country of Origin: USA

What's Included:

• Complete exhaust system (header to muffler)
• Mounting hardware
• Installation instructions
• Yoshimura quality guarantee

Installation:

Straightforward bolt-on installation. Professional installation recommended for optimal fitment and performance. All necessary mounting hardware included.

Perfect for: Riders seeking maximum performance gains, aggressive sound, and race-inspired aesthetics. Ideal for track days, canyon carving, and spirited street riding.