4in. Grand National Slip-On Muffler – Black with Black End Cap. Fits Softail Street Bob, Low Rider S, Low Rider ST & Heritage 2025up

Features & Benefits:-

* Guardian black finish

* 4.0″ Muffler shell

* Grand National end cap

* 50 State compliant

* Removable dB Reducer (J2825 compliant)

Tech Tips:-

* Fuel Mixture Calibration is Advised.

Proudly Made in the USA by S&S Cycle !

MFR PART No: 550-1159
ROLLIES PART No: SS550-1159