S&S Cycle SS550-0734 Grand National 4" Slip-On Mufflers Black for Harley-Davidson Fat Bob 18-24 Diameter: 41mm Manufacturer Part Number:

Diameter: 41mm Manufacturer Part Number: 7620-1 OEM Reference: 45754-49 Sold in Units: Each Style: Domed Warehouse Part Number: CM-7620-1

Description for Andrews Chain Driven TW48 Grind Cams

UNF Polished Hex Head Bolts – Chrome

iOS and Android support

Replaces HD# 66340-78

S&S Cycle SS550-0734 Grand National 4" Slip-On Mufflers Black for Harley-Davidson Fat Bob 18-24 Diameter: 41mm Manufacturer Part Number:FEATURES & BENEFITS Up to 12% more horsepower and 6% more torque (when used with Stealth Air Cleaner Kit) Race inspired design Guardian Black finish Deep performance rumble replaces stock whisper tone No mapping required Removable dB reducer Made in USA! FITMENT 20182021 Harley Davidson Fat Bob Models