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S&S CYCLE Grand National Slip-On Mufflers – Chrome

$ 1,195.95

In stock

Grand National Slip-On Mufflers – Chrome

Part #: 18011477

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S&S CYCLE Grand National Slip-On Mufflers – Chrome

Additional information

Weight 16.40 lbs
Part Number

18011477

Punctuated Part Number

1801-1477

Vendor Part Number

5500755B

Vendor Punctuated Part Number

550-0755B

Commodity Code

1801

Commodity Group

EXHAUST GROUP

Commodity Type

MUFFLERS FOR HARLEY

Product Description

S&S CYCLE Grand National Slip-On Mufflers – Chrome

Key Features

  • Improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately)
  • Race-inspired design
  • Removable dB reducer for back pressure and sound tuning
  • Meet J2825 levels for sound
  • All hardware included
  • Deep-performance rumble replaces stock whisper tone
  • No mapping required
  • Sold in pairs
  • Made in the U.S.A.

Technical Specifications

  • Weight: 16.40 lbs
  • Supplier Number: 550-0755B
  • Unit of Measure: Pair

Current Warehouse Inventory

Stock by Location:

  • Janesville, WI: 10 units
  • Batavia, NY: 0 units
  • Dallas, TX: 0 units
  • Fresno, CA: 0 units
  • Reno, NV: 1 units
  • Asheville, NC: 0 units
  • National: 11 units

Total Available: 22 units

Inventory Last Checked: December 4, 2025 at 1:00 AM UTC

Thank you for Shopping at Knobtown Cycle!

When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.

Kit Fox – Owner Knobtown Cycle

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