Yoshimura RS-4 Slip-On Exhaust for KTM – Performance Redefined

Engineered for riders who demand precision and power, the Yoshimura RS-4 Slip-On exhaust combines race-proven innovation with street-legal refinement. Designed in collaboration with factory teams, this exhaust delivers measurable performance gains while optimizing weight distribution and sound control—giving you the edge on the track or trail.

Key Features:

• Pentagonal Sleeve Design: Enhances structural rigidity and aesthetic appeal.
• Poly-Resonant Chamber (Front Cap): Reduces noise without sacrificing power output—ideal for off-road and track compliance.
• Two-Stage Stepped Baffle: Maximizes exhaust flow efficiency for quicker throttle response.
• Premium Materials: Carbon fiber end-cap and stainless steel tailpipe ensure durability and a aggressive look.
• Customizable Options: Compatible with optional repack kits, spark arresters, and inserts for tailored performance.

Why Choose the RS-4?

Proudly crafted in the USA, Yoshimura’s RS-4 is the go-to upgrade for KTM riders seeking a competitive advantage. Whether you’re carving trails or dominating motocross circuits, this slip-on system balances horsepower gains with a deeper, throatier exhaust note—all while meeting sound regulations.

Perfect For:
– Off-road enthusiasts needing lightweight, high-performance exhausts.
– Track riders focused on mid-range torque and throttle control.
– Street-legal builds requiring a sleek, low-profile design.

Upgrade your KTM with Yoshimura’s legacy of excellence—where engineering meets adrenaline.