S&S CYCLE Grand National Slip-On Muffler — 4" outer diameter, Black ceramic – 15-20 Street

The Grand National Slip-On Muffler delivers race-inspired sound and noticeable performance gains for riders seeking a compact, high-flow upgrade. When paired with the Stealth Air Cleaner Kit it can provide up to 10.5% more horsepower and 19.8% more torque.

• Includes stainless steel perforated baffle and high performance packing
• Race inspired Grand National endcap
• Black ceramic finish matches stock header pipe
• Removable dB reducer for adjustable sound
• Made in USA!

Built for durability and tuned for aggressive tone, this slip-on balances performance and fitment ease for compatible models. Installation is straightforward with common hand tools. 🔥🇺🇸