S&S CYCLE Power Tune® XTO Muffler Insert - 1-7/8 inch Part 550-1664 Oil Coolers Whisper-quiet acoustics for a peaceful

Whisper-quiet acoustics for a peaceful riding experience

Its aerodynamically optimized shell reduces drag and wind noise

ensuring a customized fit for your machine

Sleek white color enhances visibility and style during rides

Made entirely in the USA

S&S CYCLE Power Tune® XTO Muffler Insert - 1-7/8 inch Part 550-1664 Oil Coolers Whisper-quiet acoustics for a peacefulPower Tune XTO Muffler Insert 1 7 8" Enhance your motorcycle's performance and sound with the S&S CYCLE Power Tune XTO Muffler Insert, part number 550 1664. Crafted from durable 304 stainless steel, this muffler insert allows you to customize your bikes power output, torque, tone, and overall sound quality for a personalized riding experience. Designed for quick and straightforward installation, it is an ideal upgrade for riders seeking both