S&S 4in. Grand National Slip-On Muffler – Black with Black End Cap. Fits Street 2015-2020.

Mon, 09 Mar 2026 20:39:53 +0000

Features & Benefits:-

* 10.5% more horsepower & 19.8% more torque, with Stealth Air Cleaner Kit.

* Race inspired Grand National end cap.

* Deeper exhaust note.

* Stainless steel perforated baffle & high performance packing.

* Black ceramic finish matches stock header pipe.

* Includes removable dB Reducer.

* J2825 compliant.

Tech Tips:-

* Fuel Mixture Calibration is Advised.

Proudly Made in the USA by S&S Cycle !

RINEHART EXHAUST 4.5in. Slip-On Muffler – Black with Black End Cap. Fits Street 2015-2020

Mon, 09 Mar 2026 20:39:53 +0000

Features & Benefits:-

* Rineharts Distinctive Rumble & Roar.

* Performance Upgrade (8%+ HP over Stock)

Tech Tips:-

* Fuel Mixture Calibration is Advised.

Proudly Made in the USA by Rinehart Racing !