S&S CYCLE Power Tune® XTO Muffler Insert - 1-7/8 inch Part 550-1664 Oil Coolers Its aerodynamically optimized shell reduces

Its aerodynamically optimized shell reduces drag and wind noise

confirm that your wheel travel can accommodate length variations without causing clearance issues

Made entirely in the USA

0 delivers direct power transfer

professional look and increased visibility on the road

S&S CYCLE Power Tune® XTO Muffler Insert - 1-7/8 inch Part 550-1664 Oil Coolers Its aerodynamically optimized shell reducesPower 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