S&S CYCLE Power Tune® XTO Muffler Insert - 1-7/8 inch Part 550-1664 Oil Coolers 0 delivers direct power transfer

0 delivers direct power transfer

designed specifically for FLHT-style saddlebag guards

ensuring a customized fit for your machine

Comes with internal stuff sacks

Made entirely in the USA

S&S CYCLE Power Tune® XTO Muffler Insert - 1-7/8 inch Part 550-1664 Oil Coolers 0 delivers direct power transferPower 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